Measurements of the sband wide  cals

18jul04

     Measurements of the sband wide cals (1700 to 3100 Mhz). The column with CurValues contains the current cal values. The sbwide diodes are not stable. They drift by up to 4% a month (thru oct03). See the Tsys monitoring plots.
 
date measurement in use
09jul04 used sky and absorber
tracked blank sky
cur values
installed 18jul04
valid from 14may04
15aug03 used sky and absorber
tracked blank sky.
installed 10oct03
valid from 15aug03 -13may04
20sep01 used absorber and sky.
tracked blank sky.
insalled 10oct01
valid data:01sep01

Notes:

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