DQRID : D051020.1
Start DateStart TimeEnd DateEnd Time
09/27/2005220009/30/20052000
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Subject:
NSA/MWR/C1 -  Incorrect time stamp
DataStreams:nsamwrlosC1.b1, nsamwrC1.00
Description:
On Sept 27 the motherboard of the MWR computer was replaced. Following the replacement, 
the date on the computer was not set to the correct time of day, therefore the date and 
time in the files were wrong. The time on the computer was reset on Sept. 30. Time stamps 
between Sept. 27 and Sept. 30 were later corrected based on gathered information, however 
they may have as much as 5 minutes of uncertainty.
Suggestions: 
null
Measurements:nsamwrC1.00:
  • (Raw data stream - documentation not supported)
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nsamwrlosC1.b1:
  • Averaged total liquid water along LOS path(liq)
  • Actual Azimuth(actaz)
  • Time offset from base_time(time_offset)
  • 31.4 GHz blackbody(bb31)
  • Mixer kinetic (physical) temperature(tkxc)
  • (tknd)
  • North Latitude(lat)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Actual elevation angle(actel)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Total water vapor along LOS path(vap)
  • 31.4 GHz sky signal(sky31)
  • -180.0 - +180.0(alt)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Ambient temperature(tkair)
  • 23.8 GHz sky signal(sky23)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • lon(lon)
  • IR Brightness Temperature(ir_temp)
  • Blackbody kinetic temperature(tkbb)
  • base time in epoch(base_time)
  • 23.8 GHz Blackbody signal(bb23)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
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