Data Quality Reports for Session: 106208 User: koontz Completed: 06/21/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060419.4NIM/MWR/M1 - Instrument noise problem/RF interferencenimmwrM1.00, nimmwrlosM1.b1, nimmwrtipM1.a1


DQRID : D060419.4
Start DateStart TimeEnd DateEnd Time
01/15/2006000001/08/20070000
Subject:
NIM/MWR/M1 - Instrument noise problem/RF interference
DataStreams:nimmwrM1.00, nimmwrlosM1.b1, nimmwrtipM1.a1
Description:
Data are affected by intermittent spikes that become more frequent starting in March 2006. 
Spikes affect data mostly around 9 AM and 18:00 PM. The origin of the spikes is probably 
RF interference.
Measurements:nimmwrlosM1.b1:
  • Mean total liquid water amount along LOS path(liq)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • Mean total water vapor amount along LOS path(vap)
  • 31.4 GHz sky signal(sky31)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • 23.8 GHz sky signal(sky23)

nimmwrM1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)

nimmwrtipM1.a1:
  • 31.4 GHz sky signal(tipsky31)
  • 31.4 GHz sky brightness temperature derived from tip curve(tbsky31tip)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbsky23tip)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • 23.8 GHz sky signal(tipsky23)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)


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