MODE12 documentation

Note sure what dataset you need? - This might help.

Last updated: 17.10.2017 by Roger Brugge

Variables from the following datasets are currently available for download by the MODE12 software - click on an entry for further information:

FSDATA - derived variables (2 Jan 1997-21 April 2009)
FSDATA - measured variables (2 Jan 1997-21 April 2009)
METFiDAS - derived variables (8 Aug 2005-6 Aug 2014)
METFiDAS - measured variables (8 Aug 2005-6 Aug 2014)

Note added 17.10.2017 - many of the data records in the series mentioned above are times at hh:04, hh:09, hh:14... - however, the data are valid at hh:05, hh:10, hh:15, etc, with averages/extremes evaluated over the 5 minute period ending at these times.

At the end of this documents are the following notes:

FSDATA Research channel usage

General notes

Note that data are stored, and retrieved using this code, using local time. Thus timestamps are those of BST (summer months) or GMT (winter months). In the summer, BST minus 1 hour is equivalent to GMT. GMT can be considered to be the same as UTC.

Changeover dates are as follows:
year: BST Start (Clock Forward); BST End (Clock Backward)
1997: Sunday, 30 March, 01:00; Sunday, 26 October, 02:00
1998: Sunday, 29 March, 01:00; Sunday, 25 October, 02:00
1999: Sunday, 28 March, 01:00; Sunday, 31 October, 02:00
2000: Sunday, 26 March, 01:00; Sunday, 29 October, 02:00
2001: Sunday, 25 March, 01:00; Sunday, 28 October, 02:00
2002: Sunday, 31 March, 01:00; Sunday, 27 October, 02:00
2003: Sunday, 30 March, 01:00; Sunday, 26 October, 02:00
2004: Sunday, 28 March, 01:00; Sunday, 31 October, 02:00
2005: Sunday, 27 March, 01:00; Sunday, 30 October, 02:00
2006: Sunday, 26 March, 01:00; Sunday, 29 October, 02:00
2007: Sunday, 25 March, 01:00; Sunday, 28 October, 02:00
2008: Sunday, 30 March, 01:00; Sunday, 26 October, 02:00
2009: Sunday, 29 March, 01:00, Sunday, 25 October, 02:00
2010: Sunday, 28 March, 01:00; Sunday, 31 October, 02:00
2011: Sunday, 27 March, 01:00; Sunday, 30 October, 02:00
2012: Sunday, 25 March, 01:00; Sunday, 28 October, 02:00
2013: Sunday, 31 March, 01:00; Sunday, 27 October, 02:00
2014: Sunday, 30 March, 01:00; Sunday, 26 October, 02:00

The consequence of these is that, as clocks go forward at the end of March, on the March dates shown above there will be one hour of data missing in the record (the data for 01:00-01:59 will be marked as missing) - while on the October dates the data for 01:00-01:59 BST will be overwritten with data for 01:00-01:59 GMT (an hour of data will be lost).

FSDATA Overview

METFiDAS Overview

Note this system ran from 2005 to early in 2014.

The METFiDAS system, designed and constructed to replace FSDATA, comprised the following elements; METDAS - Data Acquisition System and METDAVS - Data Archive & Visualisation System.

Iain Russell, Giles Harrison, Andrew Lomas, Rosy Wilson and members of the departmental IT team developed the METFiDAS system which recorded, archived and displayed the many surface meteorological quantities here on our Atmospheric Observatory at Reading. The system wasn specially designed to accommodate a wide variety of new and existing instruments, as well as providing a standard logging platform for current and future teaching and research requirements.

On the Observatory itself there are numerous radiation instruments, temperature sensors for air and ground temperature measurements, wind speed and wind direction sensors and atmospheric electricity sensors.

Since the various sensors had different responses to the parameter they measured, signal-conditioning electronics for various instruments were developed. The conditioned output voltages were logged once every second, and averaged at the end of a five-minute period by a Windows PC located in the teaching laboratory on the Observatory. The raw data at 1Hz was also stored there. The data was transmitted over a standard Ethernet link back to the department and onto the department network. The data available using the accompanying extraction program are scaled daily files containing five-minute averages.

Output times

Missing data values

Note that missing data appears (or not) in the files in several forms:

Data is set to a value of 9999.9 CSV file created by logger/pre-processing system. Such data will appear in the output files from MODE12.cgi as 9999.9
Some derived METFiDAS data is set to either 9999 or 999 when missing
Data is set to '' in the CSV file created by the logger/pre-processsing system; these will appear as 9999.9, x or '' - as specified by the user of MODE12.cgi
Data does not appear in the columns of CSV file created by the logger/pre-processsing system; these will not appear in the output of MODE12.cgi as 9999.9, x or '' - as specified by the user

In some/many of the FSdata/dervied datafiles all records for a given time appear to be missing every 10 steps (i.e. at 50 minute intervals).

Information sources

This software was written three years after the demise of METFiDAS. Some of the information about the METFiDAS system and variables has been gleaned from information in files in \RUAOData\METFiDAS\docs\www\. These word documents were the origin of the original webpages that Sheila Bryant put up for the METFiDAS system.

FSDATA - derived variables (1997-2009)

Variable code	Variable	Units	Notes	Availability
Ea		degC		Not available in 1997-2009
Po		hPa		Not available in 1997-2009
Rainrate		mm/hr		Not available in 1997-2009
RHcalc	Calculated relative humidity	%	Derived from the dry bulb [Tdry] and wet bulb [Twet] thermometers in the Stevenson screen. The following calculation was probably used: `RHcalc=100e/es`, where `T'=243.5, A=17.67, e0=6.112` `e=estw-0.8(Tdry-Twet)` `estw=e0exp((ATwet)/(Twet+T'))`	2 January 1997-11 January 2009
Tdew	Dew point temperature	degC	The dewpoint temperature is derived from the dry bulb [Tdry] and wet bulb [Twet] thermometers in the Stevenson screen, the following calculation is used `Tdew=(T'ln(e/e0))/(A-ln(e/e0))`, where `T'=243.5, A=17.67, e0=6.112` `e=estw-0.8(Tdry-Twet)` `estw=e0exp((ATwet)/(Twet+T'))`, the saturated vapour pressure at the wet bulb temperature	2 January 1997-11 January 2009
U10max		m/s	Assumed to be the maximum wind gust over the previous 5 minutes (i.e. the highest of the 1-sec values)	2 January 1997-11 January 2009
U10run		m		Not available in 1997-2009
U2run		m		Not available in 1997-2009

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FSDATA - measured variables (1997-2009)

Research channel usage

Variable code	Variable	Units	Notes	Availability
Dirn10	10m wind direction	deg		2 January 1997 - 11 January 2009
Evap				Not available in 1997-2009
G	Ground heat flux density	W/m2	The rate at which heat passes vertically from the surface into the soil, per unit area.	2 January 1997-11 January 2009
Ld		W/m2		Not available in 1997-2009
Lu		W/m2		Not available in 1997-2009
P				Available from 10 November 1998- 28 June 2002
PG				Not available in 1997-2009
Ps		hPa		Not available in 1997-2009
R1		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R10		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R11		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R12		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R13		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R14		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R15		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R16		V		Some data in 1997-2009, typically 90000 observations at 5 min intervals per year
R2		V		2 January 1997 - 11 January 2009
R3		V		2 January 1997 - 11 January 2009
R4		V		2 January 1997 - 11 January 2009
R5		V		2 January 1997 - 11 January 2009
R6		V		2 January 1997 - 11 January 2009
R7		V		2 January 1997 - 11 January 2009
R8		V		data from 8 January 1997-11 January 2009; earlier data are suspect
R9		V		Some data from 4 March 1997 - 15 July 2006 (if values of -5.000 are discounted)
Rain		mm		No data in 1997 - 2009
Rn		W/m2		2 January 1997-11 January 2009
Sd	Diffuse solar radiation (flux density)	W/m2		2 January 1997-11 January 2009
Sg	Global solar radiation (flux density)	W/m2		2 January 1997-11 January 2009
Soil moist10, Soil moist30, Soil moist50, Soil moist100	Soil moisture at depths of 10, 30, 50 and 100 cm	%		Not available in 1997-2009
Su		W/m2		Not available in 1997-2009
Tconc	Temperature of the surface of a concrete slab	degC		Not available in 1997-2009
Tdry	Air (dry bulb) temperature	degC		2 January 1997-11 January 2009
Tgrass	Grass surface temperature	degC		Not available in 1997-2009
Tsoil	Soil surface temperature	degC		Not available in 1997-2009
Tsoil5, Tsoil10, Tsoil20, Tsoil30, Tsoil50, Tsoil100	Earth temperatures at depths of 5, 10, 20, 30, 50 and 100 cm	degC		Not available in 1997-2009
Twet	Wet bulb air temperature	degC		2 January 1997-11 January 2009
U10	Wind speed at 10m height	m/s		Not available in 1997-2009
U2	Wind speed at 2m height	m/s		data from 3 January 1997-11 January 2009

Report summaries

Fieldsite solarimeter and net radiometer calibrations, (RG Harrison, 2nd May 2005)

The Kipp and Zonen CNR1 four component radiometer was operated alongside the field site instruments in October/November 2003, days 300 310
The CNR1 instrument (model number 020367) was new, calibrated by the manufacturer on 11th Jan 2002.
Only the LWdn, Lwup and body temperature voltages were logged, using the field site system, together with 2 standard x500 microvolt amplifiers and a PRT amplifier
The CNR1 measurements were used with the field site SW measurements to obtain (i) the SW albedo and, using the albedo, (ii) the net radiation.

Fieldsite Solarimeter calibrations, (RG Harrison 12th April 2005)

Data exists from 1997 to 2004
The Sg solarimeter amplifier was changed from x500 to x400 on 27.5.97.
From 27.5.97 (day 147) calibrations were: Sg 204.91Wm-2/V, and Sd 159.1W.m-2/V.
From 26.7.99 (day 206) Sg calibration changed to: Sg 256.137Wm-2/V

Log of corrlog/corrdisp system

List of changes to operational system

31/10/96 AGL 1724

Wind vane connected.

27/05/97 - RGH/AGL

Sg and Rn went overrange (very clear sky around midday, Sg~1000W.m-2). Amplifiers changed at approx 1630BST to the following.

Sg - changed x500 amp to x400

Rn - removed (*0.5divide + x500 amp) and replaced by x200 amp

Calibration here changed at about 1700BST, so earlier data in this day (pre amp change) will read high by 1.25 in the first case and x1.25 in the second case

New voltage multipliers are: chan0 =204.91 and chan2= 52.5.

Summary of calibration constants:

Channel 0 multiplier =204.91
Channel 0 offset =0
Channel 1 multiplier =159.1
Channel 1 offset =0
Channel 2 multiplier =52.5
Channel 2 offset =0
Channel 3 multiplier =39.6
Channel 3 offset =0
Channel 4 multiplier =10.62
Channel 4 offset =-0.531
Channel 5 multiplier =10.62
Channel 5 offset =-0.531
Channel 6 multiplier =8.1967
Channel 6 offset =0
Channel 7 multiplier =72
Channel 7 offset =0
Channel 8 multiplier =1
Channel 8 offset =0

10/11/98 RGH 1610

Druck DPI140 precision barometer added to system, physically in Instruments Laboratory

26/7/99 1420

Spot checks on PRT and solarimeter calibration change

Change of calibration constants for Sg (to increase values at night to equal Sd values):

Spot checks using Digitron T600 on both PRTs gave small differences: new calibrations to correct

Channel 0 multiplier =256.137
Channel 0 offset =0
Channel 1 multiplier =159.1
Channel 1 offset =0
Channel 2 multiplier =52.5
Channel 2 offset =0
Channel 3 multiplier =39.6
Channel 3 offset =0
Channel 4 multiplier =10.072
Channel 4 offset =-0.3565
Channel 5 multiplier =10.094
Channel 5 offset =-0.2479
Channel 6 multiplier =8.1967
Channel 6 offset =0
Channel 7 multiplier =72
Channel 7 offset =0
Channel 8 multiplier =1
Channel 8 offset =0

10/04/02 RGH/AGL

Change of net radiometer from Middleton to Kipp NR-Lite

Netrad amplifier gain increased to X 500 from X 250

Change required to Netrad calibation: Chan3

Summary of calibration constants:

Channel 0 multiplier =256.137
Channel 0 offset =0
Channel 1 multiplier =159.1
Channel 1 offset =0
Channel 2 multiplier = 375.94
Channel 2 offset =0
Channel 3 multiplier =150.38
Channel 3 offset =0
Channel 4 multiplier =10.072
Channel 4 offset =-0.3565
Channel 5 multiplier =10.094
Channel 5 offset =-0.2479
Channel 6 multiplier =8.1967
Channel 6 offset =0
Channel 7 multiplier =72
Channel 7 offset =0
Channel 8 multiplier =1
Channel 8 offset =0

?? - AGL

System suffered hardware failure - taken offline pending investigation.

10:50 AM 22/03/04 - RGH/AGL

System running again, recovered in days since 79 (with file corrupt). Note that, since day 79, Sg and G are not functioning.

CORRSCAL modified to trap errors from non-functioning wet bulb. N.B. CORRDISP will still suffer from this error.

11:50 AM 22/03/04 - AGL

System restarted and checked OK.

Notes on failure since ??

A2D card #1 changed, apparent failure on some channels.
Field amp for Rn and G had chips changed.
Files bought back since day 79 (with invalid Td and Tw) processed with new CORRSCAL.

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METFiDAS - derived variables (2005-2014)

Variable code	Variable	Units	Notes	Availability
AH	Absolute humidity	g/m2	The total mass of water vapour present in the air per unit volume. Derived from the dry bulb temperature [Tdry] and the vapour pressure [e] according to: `AH=1000(100e)/(461.5*(Tdry+273))`	21 December 2006 - 19 May 2014
B		W/m2		28 February 2007 - 16 September 2009; 5 May 2011 - 19 May 2014
des dT
dP/dt		hPa/hr		29-30 December 2006; 22 January 2007 - 26 July 2014
dRAIN/dt		mm/hr		29-30 December 2006; 22 January 2007 - 26 July 2014
dT/dt		degC/hr		29-30 December 2006; 21 January 2007 - 26 July 2014
e	Vapour pressure	hPa	This is derived from the dry bulb (Tdry) and wet bulb (Twet) screen air temperatures, as follows: `e=estw-0.8(Tdry-Twet)`, where `estw=e0exp((A*Twet)/(Twet+T'))`, the saturated vapour pressure at the wet bulb temperature `T=243.5, A=17.67, e0=6.112`	21 December 2009 - 19 May 2014
E		mm/h		28 February 2007 - 16 September 2009; 1 January 2010 - 19 May 2014
Ea		mbar		8 August 2005-25 December 2005; 19-20 December 2006
es	Saturated vapour pressure	hPa	Derived from the dry bulb temperature [Tdry] using `es=e0exp((ATdry)/(Tdry+T'))`, where `T'=243.5, A=17.67, e0=6.112`	21 December 2006 - 26 July 2014
H		W/m2		28 February 2007 - 16 September 2009; 5 May 2011 - 19 May 2014
LE		W/m2		28 February 2007 - 16 September 2009; 5 May 2011 - 19 May 2014
Pmsl	MSL pressure	hPa	Determined from the station level pressure (P) and the dry bulb temperature (Tdry, degC), using these formulae: `Pmsl=Pexp(h/H)`, where `H=TTbar/g` `Tbar=(Tdry+273.16)+(lr*h/2)` `h=62, R=461.4, g=9.81, lr=0.007`	7-25 December 2005, 19 December 2006 -26 July 2014 (intermittently values are around 800 hPa)
Ptend	rate of change of pressure; time period of delta-pressure unknown	mbar/hr		7-25 December 2005, 19 December 2006 - 21 January 2007
r	Specific humidity	g/kg	Derived from the wet bulb [Twet] thermometer (and hence the vapour pressure [e]) according to: `r=1000etae/(P-e)`, where `eta=0.622, P=1013`	21 December 2006-19 May 2014
ra		s/m		27 February 2007 - 26 July 2014
RAINrate	Rainfall rainfall rate; period of change unknown	mm/hr	2006: some negative values	7-25 December 2005, 19 December 2006 - 21 January 2007
RH		%	Earlier values (in 2005) are often in the range 102-200 and above	23 September 2005-6 December 2005
RH sense		%	Earlier values (in 2005) are often in the range 102-400 and above	8 September 2005-6 December 2005
RHcalc	Calculated relative humidity	%	Derived from the dry bulb [Tdry] and wet bulb [Twet] thermometers in the Stevenson screen. The following calculation is used: `RHcalc=100e/es`, where `T'=243.5, A=17.67, e0=6.112` `e=estw-0.8(Tdry-Twet)` `estw=e0exp((ATwet)/(Twet+T'))`	7-25 December 2005, 19 December 2006 - 19 May 2014 (includes some values over 100% and a few missing values)
RHO	Air density	kg/m3		31 January 2007 - 19 May 2014
Sd frac			Values range from -10 to +10 during 2005.	18 August 2005-6 December 2005
Sdur	5-min sunshine duration	h		7-25 December 2005
Sdur real	5-min sunshine duration	h		26 December 2005 - 21 April 2006
Sdur total	Accumulated sunshine total since 0000 UTC	h	The accumulated amount of time during the day which the direct solar radiation exceeds a level of 120W/m2 Early data in 2005 are not reset to zero at midnight; in addition during 2005 sunshine is recorded overnight at times.	21 October 2005-31 December 2006 (many values suspect during this period); 1 January 2007-13 October 2013
Tdew	Dew point temperature	degC	The dewpoint temperature is derived from the dry bulb [Tdry] and wet bulb [Twet] thermometers in the Stevenson screen, the following calculation is used `Tdew=(T'ln(e/e0))/(A-ln(e/e0))`, where `T'=243.5, A=17.67, e0=6.112` `e=estw-0.8(Tdry-Twet)` `estw=e0exp((ATwet)/(Twet+T'))`, the saturated vapour pressure at the wet bulb temperature. During 2005 values seem unreliable, ranging from -32 to +30	8 August 2005-6 December 2005, 19 December 2009 - 19 May 2014
TEST		X	Test values	December 2006
Tdry	Air (dry bulb) temperature	degC		7-25 December 2005
Tdry-1	Air (dry bulb) temperature as recorded 5 minutes earlier	degC		7-25 December 2005
Tsky	Effective sky temperature	degC	Derived from the incoming long-wave radiation [Lin], according to: `Tsky=(Lin/sigma)*0.25 - 273.15`, where `sigma=5.6710**(-8)`	19 February 2007 - 26 July 2014
Ttend	Rate of change of temperature	degC/hr		7-25 December 2005, 19 December 2006 - 21 January 2007
Twc	Wind chill	degC	The apparent temperature felt on exposed skin due to the combination of air temperature and wind speed. Wind chill is only calculated when the dry bulb temperature [Tdry] is < 40 degF (4.44 degC) and the mean 10m wind speed [U10] > 3 mph (1.34 m/s). The calculation is based upon this formula: `Twc=35.74 + (etaTdry) - (35.75(2.237U10)0.16) + (0.4275Tdry(2.237U10)0.16)` where eta=0.622 Does Tdry have units of degF and U10 units of m/s? Is TWC then converted to degC?**	29-30 December 2006; various dates during 2007; 2 January 2008 - 31 December 2008; intermittent data in 2009 and also until 19 May 2014
Twet dep	(wet bulb depression?)	deg C	During 2005 values seem unreliable, ranging from -9 to +14	8 August 2005-25 December 2005, 19 December 2006 - 26 July 2014
U10max	Maximum wind speed (m/s) in each 5 minute measurement period, determined from the 1Hz data	m/s		21 December 2006 - 26 July 2014
U2 real		m/s		26 December 2005-31 December 2006
Uchill		X		No data available
Uf		m/s		27 February 2007 - 26 July 2014
Umax		m/s		No data available
Urun10	Accumulated run of wind at 10m since 0000 UTC	km		7-31 December 2005, 19 December 2009 - 26 July 2014
Urun2	Accumulated run of wind at 2m since 0000 UTC	km	Values not reset, or reset at unknown intervals	7 December 2005 - 24 April 2006, 19 December 2006 - 26 July 2014
Urun2-total		units given as (X)	Values not reset, or reset at unknown intervals	26 December 2005 - 24 April 2006

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METFiDAS - measured variables (2005-2014)

Variable code	Variable	Units	Notes	Availability
AECP		V	Some values available during 2006 - generally of value 0.	13 June 2006-17 December 2006
AspDry	Aspirated wet bulb temperature	degC		27 April 2011 - 12 November 2012
AspWet	Aspirated wet bulb temperature	degC		27 April 2011 - 12 November 2012
ch19
ch20
Ch32
Ch34
Dirn10	Wind direction at 10m	deg	Earlier data in 2005 are suspect.	8 September 2009 - 26 July 2014
ESK PG-test
ESK Sg-test
Evap		mm	Other dates in 2005 contain missing or negative values	18 August-8 September 2005; 2 December 2011-28 December 2013
G	Ground heat flux density	W/m2	The rate at which heat passes vertically from the surface into the soil, per unit area. During 2006 values mostly in the range +40 to -10. Some suspect values in 2009.	12 August 2006-16 September 2009; 27 July 2010-26 July 2014
IAR		V		13 September 2006-12 January 2007
IAR-B		V		16 February 2007- 9 November 2008
IAR-BT		degC		20 February 2007-9 November 2008
IAR-N		V		22 February 2007-9 November 2008
IAR-NT		degC		22 February 2007-14 February 2008; data later in the year are suspect
iCP		pA		8 June 2009-26 July 2014
iFP		pA		8 June 2009-26 July 2014
Ld	W/m2			8 August 2005-10 March 2006
Lin	Incoming longwave radiative flux density	W/m2 (V used at times in 2006)	Measured using the upward facing pyrgeometer on the CNR1 4-component radiometer. Data during December 2006 - 13 February 2007 are suspect.	8 May 2006-26 July 2014
Lout	Reflected longwave radiative flux density reflected from the surface	W/m2 (V used at times in 2006)	Measured using the downward facing pyrgeometer of the CNR1 4-component radiometer mounted at 1.2m above the surface. Data during January-13 February 2007 are suspect.	8 May 2006-26 July 2014
Lu	W/m2			8 August 2005-24 April 2006
New 115	degC			27 July 2006-19 January 2007
P	Station pressure measured on the Atmospheric Observatory	hPa	Data earlier in 2005 are outside the range 950-1050. Data during 2 June-18 July 2006 are sometimes in error (of order 800 hpa), as are values at times during April-August 2007 and in 2008.	20 October 2005-26 July 2014
Pg		V/m	Data during 2005 seem to be in error, range -0.004 to 4.9	15-22 May 2006
PG	Potential gradient at a height of 1m.	V/m	A measure of the magnitude of the vertical atmospheric electric field (V/m) standardised to a reference height of 1m. The PG is measured using a field mill, and at Reading a measurement height of 3m is used.	23 May 2006--26 July 2014
PG2		V/m2		19 December 2006- 19 January 2007
PG Esk		V		28 November 2006-19 December 2006; 1-19 January 2007 (data seem suspect)
Ps		hPa	No pressure data during 2005
Q26		deg	No valid data during 2005
R ??		???		2 August 2006
R=10		deg	It is not clear there are valid data during 2005
R1		deg	It is not clear there are valid data during 2005	December 2013 - but data seem meaningless
R10	Research channel 10	deg	GDACS flat plate in use at times. It is not clear there are valid data during 2005	Some data during 2007 (units: V); data available in 2008 but values appear to change around 21 July; 1 January 2009-31 December 2009
R 106
R11		deg	It is not clear there are valid data during 2005	Some data during 2007 (units: V); data available in 2008 but values appear to change from August; data 22 June 2010 - 26 July 2014
R12		deg	It is not clear there are valid data during 2005	3 Mar 2006-14 June 2006
R13		deg	It is not clear there are valid data during 2005	3 Mar 2006-14 June 2006
R14		deg	It is not clear there are valid data during 2005	3 Mar 2006-14 June 2006
R15		deg	It is not clear there are valid data during 2005	1 January 2006-15 June 2006; 8 December 2009-26 July 2014
R16		deg	It is not clear there are valid data during 2005	Some data during 2007 (units: V); data for 8 December 2009-26 July 2014
R2	Research channel 2	deg	It is not clear there are valid data during 2005	Some data during 2007 (units: V)
R29		deg	It is not clear there are valid data during 2005
R3	Research channel 3	deg and V	It is not clear there are valid data during 2005	Data for 10 December 2009 - 16 December 2013
R4	Research channel 4	deg and cpm	CMP11 solarimeter in use for some of the time. It is not clear there are valid data during 2005	Data for 10 December 2009 - 16 December 2013
R5	Research channel 5	deg	CMP11 solarimeter in use for some of the time. It is not clear there are valid data during 2005	Data for 10 December 2008 - 14 December 2009; 15 May 2010 - 16 December 2013
R6	Research channel 6	deg	It is not clear there are valid data during 2005	Intermittent data during 2009; data 14 May 2010-22 November 2012
R7	Research channel 7	deg	Used at times for RGH PRT project - Tair. It is not clear there are valid data during 2005	Some data during 2007 (units: V); data available in 2008 but values are inconsistent; data available in 2009 to 16 December 2013
R8	Research channel 8	deg	Used at times by RGH PRT project - Tchk. It is not clear there are valid data during 2005	Some data during 2007 (units: V); data available in 2008 - 2009 and from 1 January 2010 - 16 December 2013
R9	Research channel 9	deg	GDACS corrugated plate in use at times. It is not clear there are valid data during 2005	Data available 15 July 2008 - 31 December 2008
Rain	Rainfall since 0000 clock time.	mm	The rainfall amount measured by a 0.2mm resolution tipping bucket raingauge. A known problem is that this variable is reset to 0.0 mm upon reaching 25.0 mm; however, following the attainment of 25.0 mm observations are generally missing for about an hour. During 2005 data may be almost correct from 22 August onwards; however, there are many negative values, values that decrease over the five minute interval, and values that indicate the tipping rate is not every 0.2 mm.	22 August 2009 - 26 July 2014
RGH Mic		V		5 July 2006-7 December 2009
RH	Relative humidity	%	Measured using a Vaisala humidity probe	Generally valid data from 7 September 2006 - 27 March 2014
Rn	Net radiative flux density	W/m2	The difference between the total downward radiation (longwave + shortwave) and the total upward radiation. This is measured using a NR Lite net radiometer mounted at 1.2m above the surface.	12 August 2009-26 July 2014
RnT	Research channel 2	degC		8 February 2007-26 July 2014
Sb	Direct beam radiative flux density	W/m2	Measured with a pyheliometer. This instrument was fitted to our sun tracker and was automatically kept pointing directly at the sun.	2-29 November 2006; data at times 11 June 2009 - 19 May 2014
Sd	Diffuse solar radiation (flux density) measured at 1.2m above the surface	W/m2	Observed by a horizontal solarimeter, but one with a shade ring fitted to obstruct the direct beam. The position of the shade ring is adjusted manually throughout the year to ensure the solarimeter remains shaded.	8 August 2005-19 May 2014
Sd new		W/m2		30 November 2006-1 December 2006
Sd band	Diffuse solar radiation	W/m2	Zipp and Zonen CMP11 solarimeter with shade band.	29 June 2010-23 November 2012; 25 May 2011-23 November 2012
Sd trk	Diffuse solar radiation (flux density)	W/m2	Unlike the Sd measurement, this solarimeter is mounted on a new Kipp and Zonen sun tracker. The sun tracker automatically follows the path of the sun accurately throughout the day and a shading ball obstructs the direct beam from the horizontal solarimeter mounted on the tracker.	1 January 2008-28 June 2010
Sdur	Sunshine duration	s	The amount of time during which the direct solar radiation exceeds a level of 120W/m2. Earlier values in 2005 are suspect.	20 October 2005-31 December 2007; 9 June 2007-26 July 2014
Sg	Global solar radiation (flux density) measured at 1.2m above the surface	W/m2	.	8 August 2005-31 December 2006; 8 August 2007 - 24 July 2014
Soil moist10, Soil moist30, Soil moist50, Soil moist100	Soil moisture at depths of 10, 30, 50 and 100 cm	%	There do not appear to be valid data in 2005. Delta T sensors were deployed during 2009 to measure the soil moisture content [CHECK THIS]	50 cm moisture data present at times during 23 May 2011-14 September 2011
Sonic Dirn	Wind direction determined by sonic anemometer	deg		8 March 2006-26 July 2014
Sonic Magnitude	Wind speed determined by sonic anemometer	m/s		8 March 2006-26 July 2014
Sonic W	Vertical component of wind determined by sonic anemometer	m/s		8 March 2006-26 July 2014
Sout	Solar flux density reflected from the surface	W/m2	Measured using the downward facing Pyranometer of the CNR1 4-component radiometer mounted at 1.2m above the surface	8 May 2006-6 July 2014
Su		W/m2		8 August 2005-24 April 2006
Tconc	Temperature of the surface of a concrete slab			8 August 2005- 6 March 2008; 19 April 2011-26 July 2014
Tdry	Air (dry bulb) temperature	degC	Measured at 1m height inside a Stevenson screen.	17 August 2005-26 July 2014
Tgrass	Temperature at the grass tip level, the grass temperature			8 August 2005-3 November 2007; 1 January-6 March 2008; 19 April 2011-26 July 2014
Tsoil	Soil surface temperature			8 August 2005-2 March 2007 (with some missing periods); 19 April 2011-26 July 2014
Tsoil5	Earth temperatures at depth of 5 cm	degC	Values earlier in 2005 and in december 2006 are clearly suspect	20 October 2005-31 December 2006; no valid data during 2007; data 8 April 2011-26 July 2014
Tsoil10	Earth temperatures at depth of 10 cm	degC	Values earlier in 2005 are clearly suspect; some suspect values during August 2007	20 October 2005-18 November 2008 (data suspect in second half of 2008); data 8 April 2011-26 July 2014
Tsoil20	Earth temperatures at depth of 20 cm	degC	Values earlier in 2005 are clearly suspect	20 October 2005-3 November 2006; data 8 April 2011-26 July 2014
Tsoil30	Earth temperatures at depth of 30 cm	degC	Values earlier in 2005 are clearly suspect	20 October 2005-3 November 2006; data 8 April 2011-26 July 2014
Tsoil50	Earth temperatures at depth of 50 cm	degC	Values earlier in 2005 are clearly suspect; some suspect values during August 2007<	20 October 2005-19 June 2009; data 8 April 2011-26 July 2014
Tsoil100	Earth temperatures at depth of 100 cm	degC	Values earlier in 2005 are clearly suspect; some suspect values during August 2007<	20 October 2005-18 November 2008 (data suspect in second half of 2008); data 8 April 2011-26 July 2014
Twet	Wet bulb temperature	degC	Measured at 1m height inside a Stevenson screen.	17 August 2005-19 May 2015
U10	Wind speed at 10m height	m/s	Earlier data for 2005 looks suspect	8 September-26 July 2014
U2	Wind speed at 2m height	m/s	Earlier data for 2005 looks suspect	8 September-26 July 2014
U2 N/A		m/s	Data for 2005 looks suspect
Vs		V		Some data available for 23 August-31 December 2007; data available throughout 2008 and to 7 December 2009
X		X		Some data available for 18 August-18 October 2005

Return to top

FSDATA Research channel usage

Old web page address: http://www.met.rdg.ac.uk/~fsdata/res_b.html


23 Sep 99 KLA
______________

ChC1	Geiger counter1 ("No Poke" marked on case of instrument)


29 Sep 99 KLA
_____________
ChB1	Geiger counter2


30 Sep 99 KLA/JRK
_____________

ChB5	Geiger counter2 moved to ERL, patched through to Field Site for logging connections
ChC1	FS Geiger counter


7 Oct 99 KLA/AGL
____________
Both Geiger counters disconnected



11 Oct 99 KLA
_____________
ChB5 ERL Geiger counter
ChC1 FS Geiger counter 


12 Oct 99 KLA/AGL (1636)
_________________

ChB7 FS Geiger counter


16 Oct 99
_________

?Possible change: Geiger counters on B5 and B8?


7 April 00
_____________

ChC7 FS Geiger counter


21 June 00 RGH
___________

FS Geiger counter thought to be broken


***** Channel B card only now running *****************


16 Oct 2002 SRT
______________

radiative sensors

CH1   CM3 up
CH2   CG3 up
CH3   CM3 down
CH4   CG3 down
CH5   PRT
CH6   new IR sensor
CH7   new IR sensor


16 Jan 03. Curtis Wood/RGH
________________________

16-Jan-03 ~ 22-Jan-03
B5 Dew Point Meter
B6 FWPRT
B7 ELEC_PSYC DRY 
B8 ELEC_PSYC WET


5 Jun 03. Curtis Wood/RGH
______________________
5-Jun-03 ~ 16-Jun-03
B8 DPM
B7 FWPRT B7 


	AMP-Y
	V = 0.2597R - 25.947
	R = 3.8506V + 99.911
 
	PRT12 (it broke, possibly due to rain between 8 and 11 June)
	From 11/05/00 to 08/06/03          Ro = 98.356    Ro.alpha = 0.3796
	From 11-06-03 to 13-06-03         Ro = 98.682    Ro.alpha = 0.3582



 
18/06/03 - AGL/RGH/RJW
----------------------

Kipp and Zonen CNR1 connected (mounted on post1)

ChB1	Sw out (x500 gain)
ChB2	Lw in (x500 gain)
ChB3	Sw in (x500 gain)
ChB4	Lw out (x500 gain)
ChB5	temp

Research channel inputs now:

ChB1	Sw out (x500 gain)
ChB2	Lw in (x500 gain)
ChB3	Sw in (x500 gain)
ChB4	Lw out (x500 gain)
ChB5	temp
ChB6	N/C
ChB7	N/C
ChB8	N/C


19/08/03 - SRT/RJW
------------------

Geiger counter installed for testing (on ground under grey box)

ChB6

Research channel inputs now:

ChB1	Sw out (x500 gain)
ChB2	Lw in (x500 gain)
ChB3	Sw in (x500 gain)
ChB4	Lw out (x500 gain)
ChB5	temp
ChB6	geiger
ChB7	N/C
ChB8	N/C


3:20 PM 10/17/2003 - AGL/SDG
----------------------------

110V transformer supply installed in FTL for Arizona Gerdien supply.

Geiger counter installed on 19/08/03 (above) removed.

Kipp and Zonen CNR1 connections changed (mounted on post1).

Sw out disconnected
Sw in disconnected


Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp
ChB4	Arizona Gerdien (11V bias)
ChB5	Geiger1
ChB6	Geiger2
ChB7	N/C
ChB8	Coincidence

NB. Mods to 8 way research connection box

x500 amp modules disconnected from Ch3 and Ch4.
+12V patched across to Ch3 and Ch4.


3:55 PM 10/20/2003 AGL/SDG
--------------------------

All geigers removed from research channels
Correlator returned to ERL for testing.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Arizona Gerdien (11V bias)

ChB5	N/C	
ChB6	N/C
ChB7	N/C
ChB8	N/C


16:15 PM 10/22/2003 RGH / Tim Brazenor
--------------------------------------

Arizona Gerdien bias voltage changed to 22V (was 11V).


Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Arizona Gerdien (22V bias)

ChB5	N/C	
ChB6	N/C
ChB7	N/C
ChB8	N/C



3:02 PM 10/23/2003 AGL
----------------------

Geigers re-connected

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Arizona Gerdien (22V bias)

ChB5	Geiger1 (remote)	
ChB6	Geiger2 (on post1)
ChB7	Geiger3 (on post1)
ChB8	Coincidence



11:00 AM 27/11/2003 RJW
----------------------

Geiger 1 and 3 re-connected.


Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Arizona Gerdien (22V bias)

ChB5	Geiger1 (on post1)	
ChB6	N/C
ChB7	Geiger3 (on post1)
ChB8	Coincidence



16:25 PM 05/12/2003 RJW
----------------------

Geiger 2 re-connected.
Correlator disconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Arizona Gerdien (22V bias)

ChB5	Geiger1 (on post1)	
ChB6	Geiger2 (remote)
ChB7	Geiger3 (on post1)
ChB8	N/C



16:00 PM 08/12/2003 RJW
----------------------

Arizona Gerdien disconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger1 (on post1)	
ChB6	Geiger2 (remote)
ChB7	Geiger3 (on post1)
ChB8	N/C



16:15 PM 09/12/2003 RJW 
----------------------

correlator re-connected (inputs: Geigers 1 & 2).

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	Coincidence



16:05 PM 18/12/2003 RJW 
----------------------

correlator disconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	N/C



15:43 PM 19/12/2003 RJW 
----------------------

correlator re-connected (inputs: Geigers 2 & 3).

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	Coincidence



11:10 AM 03/02/2004 RJW 
----------------------

correlator disconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	N/C


12:05 PM 09/02/2004 RJW 
----------------------

correlator re-connected (inputs: Geigers 2 & 3).

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	N/C

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	Coincidence


3:29 PM 3/22/2004 - AGL/SDG
---------------------------

Passive wire installed on research CH4


Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Passive wire

ChB5	Geiger3 (on post1)	
ChB6	Geiger1 (remote)
ChB7	Geiger2 (on post1)
ChB8	Coincidence


10:10 PM 3/26/2004 - ADG/SDG/RJW/AW

Geigers removed from research channels and deployed on Polltrop logger box.

Passive wire grounded.
Sonde egg powered up with new sonde battery (not logged on res channels)

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


12:24 PM 3/26/2004 - AGL/SDG
----------------------------

Sonde egg powered down for insertion of R8. Sonde egg not logged on res channels so no change.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


12:36 PM 3/26/2004 - AGL/SDG
----------------------------

Sonde egg powered up - output variable up to 4.0V !


2:55 PM 3/26/2004 -AGL/RJW
--------------------------

Giegers and correlator moved physical location to post 2. Wire dsiconnected temporarily from chB4 the reconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	temp

ChB4	Passive wire

ChB5	Geiger1 port (remote geiger)
ChB6	Geiger2 port (geiger on post 2)
ChB7	Geiger3 port (geiger on post 3)
ChB8	Coincidence

12:07 PM 3/30/2004 - AGL
------------------------

Kipp CNR1 reconnected to B1 and B2

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	N/C

ChB4	Passive wire

ChB5	Geiger1 port (remote geiger)
ChB6	Geiger2 port (geiger on post 2)
ChB7	Geiger3 port (geiger on post 3)
ChB8	Coincidence

2:40 PM 3/30/2004 - AGL
-----------------------

Arizona gerdien connected to chB3 sited on post 2. Inlet tube pointing due south.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	Arizona gerdien (Sensitivity reported to be ~1V/pA; bias voltage +22V)

ChB4	Passive wire

ChB5	Geiger1 port (remote geiger)
ChB6	Geiger2 port (geiger on post 2)
ChB7	Geiger3 port (geiger on post 3)
ChB8	Coincidence

3:16 PM 4/5/2004 - AGL
----------------------

Remote geiger disconnected from cable

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	Arizona gerdien (Sensitivity reported to be ~1V/pA; bias voltage +22V)

ChB4	Passive wire

ChB5	N/C
ChB6	Geiger2 port (geiger on post 2)
ChB7	Geiger3 port (geiger on post 3)
ChB8	Coincidence


2:00 PM 4/16/2004 - RJW
----------------------

All three geigers and correlator disconnected.

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	Arizona gerdien (Sensitivity reported to be ~1V/pA; bias voltage +22V)

ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


3:45 PM 4/22/2004 - SDG
-------------------------

Passive wire moved to other side of f/site, at 3:15
reconnected at 3:34

4:14 PM 4/23/2004 - SDG/AGL
----------------------------

Arizona gerdien removed

Research channel inputs now:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	N/C
ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


2:20 PM 5/13/2004 - SDG
------------------------

Kipp and Zonen CNR1 dis-connected

Research channel inputs now:

ChB1	N/C
ChB2	N/C
ChB3	N/C
ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


3:23 PM 5/25/2004 - SDG
-------------------------

Passive wire removed at 10.00, started logging again at 15.20

Research channel inputs still:

ChB1	N/C
ChB2	N/C
ChB3	N/C
ChB4	Passive wire

ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


3:50 PM 06(June)/07/2004 - RJW
-------------------------

Research channel inputs:

PIMS and Geigers co-located on mast.

ChB1	Passive wire
ChB2	PIMS 008 / mode 2 / P42 (Vb = -19 V)
ChB3	PIMS 009 / mode 2 / P207 (Vb = +19 V)
ChB4	PIMS 010 / mode 2 / P44 (Vb = -19 V)
ChB5	PIMS 011 / mode 2 / P205 (Vb = +19 V)
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


11:05 AM 06(June)/08/2004 - RJW
-------------------------

Research channel inputs:

PIMS and Geigers co-located on mast.

ChB1	Passive wire
ChB2	PIMS 008 / mode 2 / P206 (Vb = +19 V)
ChB3	PIMS 009 / mode 2 / P45 (Vb = -19 V)
ChB4	PIMS 010 / mode 2 / P206 (Vb = +19 V)
ChB5	PIMS 011 / mode 2 / P44 (Vb = -19 V)
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


10:10 AM 06(June)/09/2004 - RJW
-------------------------

Research channel inputs:

PIMS removed.

ChB1	Passive wire
ChB2	N/C
ChB3	N/C
ChB4	N/C
ChB5	N/C
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


15:30 PM 06(June)/15/2004 - RJW
-------------------------

Research channel inputs:

2 PIMS connected.

ChB1	Passive wire
ChB2	PIMS 011 / mode 2 / P45 (Vb = -20 V)
ChB3	PIMS 008 / mode 2 / P45 (Vb ~ -20 V)
ChB4	N/C
ChB5	N/C
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


09:15 AM 06(June)/17/2004 - RJW
-------------------------

Research channel inputs:

PIMS removed.

ChB1	Passive wire
ChB2	N/C
ChB3	N/C
ChB4	N/C
ChB5	N/C
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


10:08 29/07/2004 - AGL
----------------------

Research box changed for one with x500 gains on Ch2 and 3
Kipp CNR1 added (mounted on post 5)

Research channel inputs:


ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	N/C
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


15:00 02/08/2004 - RJW
----------------------

Geiger tubes and Correlator disconnected and connected to logger box.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C


10:35 03/08/2004 - RJW
----------------------

Correlator and all Geiger tubes re-connected.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Geiger 3 [G1 output]
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 2 (bottom) [G3 output]
ChB8	Correlator


10:20 06/08/2004 - RJW
----------------------

Geiger tubes and Correlator disconnected and connected to logger box.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	N/C

3:13 PM 8/12/2004 - AGL
----------------------

FWPRT/amp combination 01/H (in stevenson screen) connected to ChB8.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	screen FWPRT (screen temperature for RGH)


10:00 13/08/2004 - RJW
----------------------

Correlator and 2 Geiger tubes re-connected.
FWPRT/amp combination 01/H (now outside screen) connected to ChB8.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Geiger 1 (top) [G2 output]
ChB6	Geiger 2 (bottom) [G3 output]
ChB7	Correlator
ChB8	FWPRT (outside temp for RGH)


16:00 03/09/2004 - RJW
----------------------

All Geigers and correlator removed from field site system and connected to ADLOG logger box.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	N/C
ChB6	N/C
ChB7	N/C
ChB8	FWPRT (outside temp for RGH)


12:00 6/09/2004 - RGH
----------------------

Clear sky conditions.
Photodiode amplifier connected to B7.

NB 1. Geigers and correlator were disconnected and are being logged on a different system.
NB 2. PRT amp for CNR1 had become disconnected - this was re-fitted to B3.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	
ChB6	
ChB7	Photodiode
ChB8	FWPRT (outside temp for RGH)



09:00 7/09/2004 - RGH
----------------------

Photodiode amplifier removed from B7.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	
ChB6	
ChB7
ChB8	FWPRT (outside temp for RGH)


11:00 10/09/2004 - RJW
----------------------

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger3,bottom [G3 output])
ChB6	Geiger 1 (top) [G2 output]
ChB7
ChB8	FWPRT (outside temp for RGH)


14:30-16:30 13/09/2004 - SRT/RJW
----------------------

Geiger testing performed by SRT between 14:30-16:30
Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger2,bottom [G1 output])
ChB6	Geiger 1 (top) [G2 output]
ChB7
ChB8	FWPRT (outside temp for RGH)


0930-1730 24/09/2004 - RGH
----------------------

PIMS008 used on field site, aligned with inlet at SW. Powered from B7, so analogue signal available, but
logged with a laptop running PIMSPECT, and configuration file PIMS008.CFG.

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger2,bottom [G1 output])
ChB6	Geiger 1 (top) [G2 output]
ChB7	PIMS008
ChB8	FWPRT (outside temp for RGH)




17:30-18:00 24/09/2004 - RGH/KLA
----------------------

Comparison of Reading Geigers/correlator and RAL Geigers/correlator.

Reading Geigers 1 and 2 above each other (G1 uppermost) on Eastward mast, RAL Geigers strapped above
Reading Geiger 3, on North facing mast. RAL1 uppermost, RAL2 next, Geiger 3 lowest.
(RAL using pulse counting channels, and correlator on a Campbell).

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger2,bottom [G1 output])
ChB6	Geiger 1 (top) [G2 output]
ChB7	Geiger 3
ChB8	Geiger 2

17:30-18:20 30/09/2004 - AGL/RGH
----------------------

Further comparison of Reading Geigers/correlator and RAL Geigers/correlator.

Three Reading Geigers re-installed about 1730.
RAL and Reading Campbell loggers (both 12v powered) synchronised to laptop at 1820.

On the Reading one (data file Geigers.dat), the channels are
"battery", G1, G2, G3, pulse Geiger 1, PG2, PG3
where G1...G3 are the ratemeter voltage outputs.

On the RAL one, the data file is Geiger.dat.

Mounted on the one arm (east), going upwards are Geiger 3, Geiger 1, RAL1
and RAL2: the other arm (north) has Geiger 2. (Note that this is different
to the arrangement last weekend.) The Reading coincidence detector (G1&G3)
is on B5 of http://www.met.rdg.ac.uk/~fsdata/res_b.html .

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger3,bottom)
ChB6	
ChB7	
ChB8	


0930-1250 7/10/2004 - RGH
----------------------

0930-1250 RAL Geiger counters removed for repairs.

1125 Arizon Gerdien bias battery checked, and cells changed. Bias voltage +19.4V. Operating on B8.

1250 Reading Geigers altered: Geigers 1 and 3 (east) rotated so tubes horizontal, 24.5cm separation.

 Geiger 2 kept vertical.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger3,bottom)
ChB6	
ChB7	
ChB8	Arizona Gerdien


1030-1040 8/10/2004 - RGH
----------------------


1030 Geigers 1 and 3 (east) moved closer, 11cm separation.
G2 now connected to B7, as well as continuing on Campbell.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	Correlator (correlating Geiger1,top & Geiger3,bottom)
ChB6	
ChB7	Geiger 2 ratemeter.
ChB8	Arizona Gerdien


16:15 20/10/2004 - RJW
----------------------


Geigers 1 & 3 removed to dry out in Lab.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	
ChB6	
ChB7	Geiger 2 ratemeter.
ChB8	Arizona Gerdien


2:44 PM 11/5/2004 - SDG
------------------------


Geiger 2 removed at 9.00 and repaired by SRT
replaced at 2.45


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	
ChB6	Geiger 2 ratemeter.
ChB7	
ChB8	Arizona Gerdien

2:35 PM 11/10/2004 - RJW
------------------------

Geiger 1 (top) & Geiger 3 (bottom) re-connected to Campbell logger.


Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out(x500 gain)
ChB3	CNR1 body temperature
ChB4	Passive wire
ChB5	
ChB6	Geiger 2 ratemeter.
ChB7	
ChB8	Arizona Gerdien


2:20 PM 11/15/2004 - AGL/SDG/RJW
--------------------------------

Geiger mast moved to north side of site.
Arizona gerdien moved to north side of site.
Passive wire temporarily dismanteled

Geiger 1 (top) & Geiger 3 (bottom) re-connected to Campbell logger.

CNR1 disconnected from research channels
Passive wire disconnected from research channels


Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	N/C
ChB4	N/C
ChB5	Correlator output (geigers 1 and 3)
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


10:52 AM 11/17/2004 SDG AGL
----------------------------

Air/earth Current plate added


Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	N/C
ChB5	Correlator output (geigers 1 and 3)
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


15:20 AM 11/17/2004 RJW
----------------------------

Geiger 2 connected to Campbell logger (and also Ch B6) so that all 3 Geigers are now logged by the Campbell.

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	N/C
ChB5	Correlator output (geigers 1 and 3)
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


12:10 AM 11/26/2004 RJW
----------------------------

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 3) 
0.5 m (Geiger 1)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	N/C
ChB5	Correlator output (geigers 1 and 3)
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


16:00 PM 11/26/2004 AGL SDG AB RJW
----------------------------

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 3) 
0.5 m (Geiger 1)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	Field mill
ChB5	Correlator output (geigers 1 and 3)
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


14:55 PM 11/29/2004 RJW
----------------------------
Arizona removed for cleaning
Geiger 3 removed & replaced by Geiger 1.
Correlator also removed for drying.
Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	Field mill
ChB5	N/C
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	N/C


14:45 PM 12/02/2004 RJW
----------------------------
Arizona re-connected

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Air/earth plate
ChB4	Field mill
ChB5	N/C
ChB6	Geiger 2 ratemeter.
ChB7	N/C
ChB8	Arizona Gerdien


17:30 PM 12/02/2004 RJW AB
----------------------------
Air/Earth plate moved from ChB3 to ChB7

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	N/C
ChB4	Field mill
ChB5	N/C
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien


14:15-14:45 PM 12/03/2004 RJW RGH
----------------------------

Geiger 3 re-connected to Campbell, re-orientation of Geigers and connection of Geiger 2 and 1 to field site system.

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
0.5 m (Geiger 3)
1 m (Geiger 2)
Geigers 1 & 3 are correlating.

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 1 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +22 V)

10:45 AM 12/09/2004 RJW
----------------------------

Change in correlated geigers [Geigers 2 & 3 are now correlating].

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
0.5 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +22 V)

11:15 AM 12/13/2004 RJW
----------------------------

Change in Arizona Gerdien bias voltage from +22 V to +11 V.

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
0.5 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

14:20 PM 12/17/2004 RJW
----------------------------

Change in separation of Geigers.

Geigers arranged in a vertical profile, with heights of:
0.25 m (Geiger 1) 
0.35 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

14:40 AM 12/20/2004 RJW
----------------------------

Change in separation of Geigers.  Geiger 1 is not in vertical alignment with Geigers 2 & 3.

Geigers arranged in a vertical profile, with heights of:
0.5 m (Geiger 1) 
0.25 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

11:00 AM 22/12/2004 SDG RJQ
------------------------------

Kipp and Zonen CNR1 connected on 1m mast, output 2 from kipp box going to chB1, and output 4 going to chB2

Research channel inputs:

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

12:15 AM 05/01/2005 RJW
----------------------------

Change in separation of Geigers.  Geiger 1 is not in vertical alignment with Geigers 2 & 3.

Geigers arranged in a vertical profile, with heights of:
0.5 m (Geiger 1) 
0.75 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

14:40 21/01/2005 RGH
----------------------------

Running PIMS2-008 on top of Arizona Gerdien box. Tosh 2110 Laptop in logger box, running PIMSPECT, using 
voltage steps from HVN08.CFG. PIMS powered from 6W system, using B6, hence Geiger 2 ratemeter disconnected

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-008
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

09:30 26/01/2005 RGH
----------------------------

Changed PIMS2-008 for PIMS2-011. Using PIMS011.cfg (renamed from PIMS008.cfg), with standard bipolar DAC.
Geigers arranged in a vertical profile, with heights of:
0.5 m (Geiger 1) 
0.91 m (Geiger 3)
1 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-011
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

16:10 25/02/2005 RJW
----------------------------
Change in Geiger arrangement:
Geigers arranged in a vertical profile, with heights of:
1.0 m (Geiger 1) 
0.25 m (Geiger 3)
1.25 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-011
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)


11:00 03/03/2005 RJW
----------------------------
Change in Geiger arrangement:
Geigers arranged in a vertical profile, with heights of:
0.5 m (Geiger 1) 
0.7 m (Geiger 3)
1.0 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-011
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

17:15 03/03/2005 RJW
----------------------------
Change in Geiger arrangement:
Geigers arranged in a vertical profile, with heights of:
1.0 m (Geiger 1) 
0.7 m (Geiger 3)
1.0 m (Geiger 2)

Research channel inputs:

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-011
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

28/04/2005 AGL

Kipp CNR1 removed (apparently not connected anyway) and mast
moved pending field site pracs

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	PIMS2-011
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)

09/05/2005 RJW

Geiger 2 connected.

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	Arizona Gerdien (Vb = +11 V)



10:53 AM 5/10/2005 SDG

Arizona Gerdien removed and passive wire added to Ch8

ChB1	N/C
ChB2	N/C
ChB3	Correlator output (geigers 2 and 3)
ChB4	Field mill
ChB5	Geiger 1 ratemeter.
ChB6	Geiger 2 ratemeter.
ChB7	Air/earth plate
ChB8	passive wire

16:15 PM 5/12/2005 RJW

Geigers & Coincidence detector removed for drying.

ChB1	N/C
ChB2	N/C
ChB3	N/C
ChB4	Field mill
ChB5	N/C
ChB6	N/C
ChB7	Air/earth plate
ChB8	passive wire

12:00 PM 5/17/2005 RJW

Geigers & Coincidence detector re-connected after circuitry replacement.

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Air/earth plate
ChB8	passive wire

15:00 PM 5/24/2005 RJW

Geiger3 removed.

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	N/C
ChB7	Air/earth plate
ChB8	passive wire

11:45 PM 5/25/2005 RJW

Geiger2 connected after circuitry replacement.

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 2
ChB7	Air/earth plate
ChB8	passive wire

12:00 PM 5/26/2005 RJW

Replaced Geiger2 with Geiger3 connected.

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Air/Earth plate
ChB8	passive wire

11:15 PM 6/09/2005 AJB

Replaced Air/earth plate with border plate picoammeter

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Border plate of air/earth current resolver
ChB8	passive wire

9:46 AM 7/14/2005 AGL / SDG

Installed passive wire on S side of posts

ChB1	N/C
ChB2	N/C
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Border plate of air/earth current resolver
ChB8	passive wire

10:57 19/07/2005 RGH / SDG / AGL

Installed CNR1 on B1 and B2
Installed new small range passive sphere on CNR1 mounting on B8

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Border plate of air/earth current resolver
ChB8	small range passive sphere

10:45 20/07/2005 RGH 

Removed small range passive sphere on CNR1 mounting
Reconnected passive wire

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	coincidence detector
ChB4	Field mill
ChB5	Geiger 1
ChB6	Geiger 3
ChB7	Border plate of air/earth current resolver
ChB8	passive wire (at 1m)

14:36 01/08/2005 AGL

All reserved channels shutdown for redeployment of masts

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	NC
ChB6	NC
ChB7	NC
ChB8	NC



15:49 02/08/2005 AGL/SDG

New arrangement of instruments by air/earth current resolver

CNR1 mast approx 1m W of resolver
Field mill approx 1m E of resolver
Geiger mast approx 2m NNE of resolver

Channels now

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	-
ChB6	-
ChB7	-
ChB8	-

15:35 15/08/2005 AGL

Passive wire installed on ch B5

Channels now

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Passive wire
ChB6	-
ChB7	-
ChB8	-

15:20 18/08/2005 AJB

Geiger counters 1 and 3 added

Channels now

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Passive wire
ChB6	Geiger 1
ChB7	-
ChB8	Geiger 3


17:35 05/09/2005 AJB

Coincidence detector added

Channels now

ChB1	Lw in (x500 gain)
ChB2	Lw out (x500 gain)
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Passive wire
ChB6	Geiger 1
ChB7	Geiger 3
ChB8	Coincidence detector

14:56 08/09/2005 AGL

Kipp CNR1 removed

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Passive wire
ChB6	Geiger 1
ChB7	Geiger 3
ChB8	Coincidence detector

17:08 06/10/2005 AJB

Air-Earth current pyramid plates connected. Passive wire disconnected.

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Pyramid plate of air/earth current resolver
ChB5	Border plate of air/earth current resolver
ChB6	Geiger 1
ChB7	Geiger 3
ChB8	Coincidence detector

14:48 07/10/2005 AJB

Air-Earth current pyramid plates swapped, Geiger 1 in for repair.

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	N/A
ChB7	Geiger 3
ChB8	Coincidence detector

10:43 13/10/2005 AJB

Geiger 2 replaced geiger 1 position on chB6 as part of cosmic telescope.

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Geiger 3
ChB8	Coincidence detector

11:03 27/10/2005 AJB

Geiger 3 replaced with passive wire

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	Coincidence detector

12:55 27/10/2005 AJB

Coincidence detector replaced with Arizona Gerdien (Voltage follower exp)

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	Arizona Gerdien

15:20 14/11/2005 AJB

Arizona Gerdien replaced with Snowdon-type PG sensor

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	Snowdon-type PG sensor

11:00 29/11/2005 AJB

Snowdon-type PG sensor removed

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A

11:00 18/01/2006 AJB

Geiger2 Added after repair

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A

15:20 02/05/2006 AJB

Pyramid plate disconnected and picoammeter connected to PTFE insulator (leakage comparison)

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	leakage monitor (picoammeter connected to PTFE insulator)
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A

16:35 03/05/2006 AJB

Pyramid plate reconnected

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A

10:55 18/05/2006 AJB

AECP plates disconnected and left floating (and insulated) for leakage test

Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	leakage testing
ChB5	leakage testing
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A

13:45 18/05/2006 AJB

AECP plates reconnected
Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Geiger 2
ChB7	Passive Wire
ChB8	N/A


13:45 15/06/2006 AJB

Mobile flat plate added to B6
Channels now

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Mobile flat flate
ChB7	Passive Wire
ChB8	N/A


13:55 to 15:30 16/06/2006 RGH	Tests on ELF/VLF noise
No changes to logging, but passive wire disconnected 1355 to 1525 for different tests.
Some tests made on AECP, border plate and AECP2 during this period too.

12:55 PM 23/06/2006

SDG added bilog amp to chb8 for testing

10:49 AM 10/07/2006

SDG changed flat plate on chb8 to new channel plate

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	Mobile channel plate
ChB7	Passive Wire
ChB8	corona log sensor

11:00 AM 14/07/2006 (?)

AJB corrugated and flat mobile AECP plates installed on channels B6 and B7 respectively.

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob)
ChB7	flat plate (mob)
ChB8	corona log sensor


14:15 22/08/2006

AJB replaced corona log sensor with Passive Wire on B8.

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob)
ChB7	flat plate (mob)
ChB8	Passive Wire


12:00 14/09/2006

AJB installed heated FP.

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob)
ChB7	flat plate (mob) - heated.
ChB8	Passive Wire


18:00 18/09/2006

AJB installed heated FP and heated CP (using mast power supply).

ChB1	N/A
ChB2	N/A
ChB3	Field mill
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob) - heated
ChB7	flat plate (mob) - heated
ChB8	Passive Wire


10:00 16/01/2007

16:30 Field mill removed from B3 (PG now measured only on fidas system)

ChB1	N/A
ChB2	N/A
ChB3	N/A
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob) - heated
ChB7	flat plate (mob) - heated
ChB8	Passive Wire


10:00 31/01/2007

AJB Heater wire for mob plates changed to Ni-Cr.

ChB1	N/A
ChB2	N/A
ChB3	N/A
ChB4	Border plate of air/earth current resolver
ChB5	Pyramid plate of air/earth current resolver
ChB6	corrigated plate (mob) - heated
ChB7	flat plate (mob) - heated
ChB8	Passive Wire

12:30 22/08/2008

RJW/AGL corrugated and flat mobile plates moved onto METFiDAS