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lbaops:lbamar2012:rafs16holog [2015/12/18 16:38] (current)
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 +C-band setup\\
 +4828 sky freq  \\
 +agilent 10.5   \\
 +SML 680 2nd LO  \\
 +coherence tone 482.3 10th harmonic produces 5 MHz baseband on band splitter1 \\
 +DAS profile 16_UL_N.PRO\\
 +Takes about 8 minutes to change bands! \\
 +Disks UTAS V001A           \\
 +channels 1-4.  UTAS Wiki was wrong here. Also it was wrong on 2nd LO and coherence tone.\\
 +2012.071.12:​37:​59.94;"​will change to L-band shortly. ​                                   \\
 +2012.071.13:​00:​29.54;"​das had crashed adjusting levels now                             \\
 +2012.071.13:​04:​40.13;"​L band mode change started 1240UT and completed 1247UT\\
 +2012.071.13:​05:​04.61;"​however there seemed to be a levels problem. ​     \\
 +DAS program was restarted and levels adjusted to correct values by 1300 UT \\
 +L-band setup is:                                                          \\
 +sky freq 1660                                                            \\
 +Agilent 4.05 GHz. Moved 50 MHz from nominal to try and level the passband \\
 +SML 2nd LO 642                                                           \\
 +RX atten 14.06 dB                                                       \\
 +quad in                                                                 \\
 +No idea how many steps out from in limit is the trombone. ​         \\
 +DAS profile 16_UL_F.pro\\
 +that's all.                               \\
 +2012.071.13:​33:​50.78;"​Antenna was at low elevation to North and RFI became stronger at thye lower elevation.\\
 +2012.071.13:​34:​16.85;"​Observers were Brett Reid, Jay Blanchard. ​    \\
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lbaops/lbamar2012/rafs16holog.txt · Last modified: 2015/12/18 16:38 (external edit)