BMS Historical Instrument Pictures

Photos of decommissioned or relocated instrumentation
and trackers at SRRL's Baseline Measurement System



shadowband
Installed October 1984 -- Diffuse Shadowband PSP mounted to roof of old SRRL building.
vertical irradiance
Installed October 1984 -- Global 90-North, East, South, and West PSP mounted on the outside of metal trough. Located on the inside are four PSP instruments, two 90-North (ground shielded and ground reflected) and two 90-South in the same configuration. The instruments inside were perminently removed from service on 4/7/1985. The other vertical insruments were later removed in 1988 and then returned to service in 2004. Also shown is the upwelling PSP on the radiometer tower.
global normal
Installed April 1985 -- Global Normal PSP on Eppley 2-Axis Tracker mounted to roof of old building (removed from service 7/31/2000 when old building was demolished).
global 40-south
Installed April 1985 -- Global 40 degree south tilted PSP mounted on roof of old building, instrument was moved to radiometer tower when new SRRL building was constructed on 11/1/2000.
diffuse tracking disk
Installed June 1987 -- Diffuse PSP shaded by Eppley tracking disk on roof of old building, tracker was later replaced by a Sci-Tec with a shading ball.
global radiometers
Installed March 1988 -- Global PSP and PSP w/RG780 filter mounted on roof of old building. The PSP (just the un-filtered unit) had been installed since October 1984.
sun follower in 1988
Installed March 1988 -- Sun-Follower III Tracker (all direct normal): NIP #1, NIP RG780, TWC (500nm) mounted to roof of old building. The NIP (just the un-filtered unit) had been installed since October 1984.
global uv
Installed March 1988 -- Global TUVR mounted to roof of old SRRL building.
direct uv
Installed July 1990 -- Direct Normal TUVR on Eppley Smart Tracker mounted to roof of old building.
reflected radiometers
Installed January 1999 -- Upwelling PIR and PSP on radiometer tower.
scitec in 1999
Installed January 1999 -- Sci-Tec Tracker: Direct NIP #2, Diffuse PSP, Diffuse 8-48, Downwelling PIR and Global LI-200 mounted to roof of old SRRL building.
sky scanner
Installed June 2000 -- EKO MS-300LR SkyScanner mounted on the north east end of instrument deck (removed from service on 10/28/2002).
Met Tower
Installed November 2000 -- Meteorological Tower: Wind Speed & Direction @ 42 feet and Wind Speed & Direction @ 22 feet. The wind speed @ 10 feet was removed from service on 9/9/2008.
Met DAQ
Installed November 2000 -- Meteorological Data Acquisition Tower: CR10X datalogger, pressure sensor, temperature & relative humidity probe, freewave radio, and communications antenna. The rain gauge was relocated near the radiometer tower on 9/12/2008.
Radiometer Tower
Installed August 2001 -- Radiometer Tower: Global Normal CM-21, Global 40-South PSP & LI-200, Upwelling PIR & PSP, and Net Radiometer CNR1.
Sun-Follower in 2001
Installed August 2001 -- Sun-Follower III Tracker (all direct normal): NIP #1, NIP RG780, CUVA2, CUVB2, LI-201, TWC (500nm). The SunFollower III tracker was removed from service on 10/1/2008 and instruments were relocated to other trackers.
Sci-Tec 1 in 2001
Installed August 2001 -- Sci-Tec Tracker #1: Direct NIP #2, Direct LI-1800 via fiber probe (removed 8/3/2003), Direct CH1, Direct TUVR (removed 12/31/2005), Diffuse 8-48, Diffuse PSP, Shaded PIR, Global LI-200 (secondary - removed 12/21/2005)
Sci-Tec 2 in 2001
Installed October 2001 -- Sci-Tec Tracker #2: Direct MS-110 (removed 6/16/2005), AOCS (removed 9/30/2008), Diffuse CM22, Diffuse UVB-1 (removed 8/12/2008), Shaded CG4, Global LI-190 (removed 12/21/2005)

Photos of current instrumentation and trackers at SRRL BMS.

Updated December 16, 2009

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