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lbaops:lbajan2007:v190fholog [2007/01/28 10:08]
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lbaops:lbajan2007:v190fholog [2015/12/18 16:38] (current)
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-The first 12 hrs of data for v190f should be recorded ​to Ho1-7, ​partition ​1\\ +The log from experiment ​v190f has been copied ​to
-\\ + 
-The second 12 hrs of data for v190f should be recorded to Ho1-7partition 2\\ +ftp.atnf.csiro.au:/​pub/​people/​vlbi/​incoming/​ 
-\\ + 
-2007.027.00:​55:​50.29;"​CAL heights derived from scans on 3C348. Scans were affected by noticable interference spikes.\\ +ANTAB and UVFLG files have been copied to the same place. 
-\\ + 
-2007.027.00:​58:​00.32;"​3/​4 overcast, thick low cloud. Light winds.\\ + 
-\\ +Additional experiment notes: 
-2007.027.02:​48:​19.29;"​ A series of showers has passed, sky overhead is clear. Windy.\\ + 
-\\ +Data: 
-2007.027.05:​03:​57.16;"​Weather is changeable - scattered clouds, moderate winds with occasional showeres.\\ + 
-\\ +Ho1/1-7 shipped to Steven TingaySwinburne using Australian airExpress con note 01921606 on Jan 30/2007 
-2007.027.06:​27:​34.18;"​DAS levels are varying considerably. Interference?​\\ + 
-\\ + 
-2007.027.08:​02:​12.83;"​DAS levels have steadied.\\ + 
-\\ +Setup information:​ 
-2007.027.08:​03:​23.75;"​Measured system temperatures seem unreliable, probably due to interference.\\ + 
-\\ +Agilent 4.0 GHz 
-2007.027.08:​04:​38.35;"​Weather is 7/8 overcast and windy. Occasional showers.\\ + 
-\\ +Rx fixed LO 5.2 GHz 
-2007.027.11:​44:​44.65;"​Momentarily stopped the recorder in cDisko, trying to stop the vc017 disk-cleaner. Restarted immediately.\\ + 
-\\ +Sky center freq 1.666 GHz 
-2007.027.11:​48:​04.85;"​Missed one scan v190_Ho_027_114400.lba\\ + 
-\\ +9 dB attenuation 
-2007.027.14:​00:​34.93;"​Now recording to xraid0_1\\ + 
-\\ +Phase shift trombone 181 steps out from the inner limit 
-2007.027.14:​03:​48.29;"​Weather is cool, lightwinds and mostly clear.\\ + 
-\\ +Rx 2. XYZ posn = 259, -26018 
-2007.027.17:​33:​13.96;"​System coherent\\ + 
-\\ +IF to control room 576 MHz 
-2007.027.21:​20:​39.76;""​Weather is warm, 1/2 thick cloud moving in and calm.\\ + 
-\\ +LCP is 40 dB stronger than RCP at 1666 MHz when injecting in to tone port (LCP). 
-Above are comments from PCFS log with Jamie McCallum observingrgdsBrett. 027/2300.+ 
 +LCP is being recorded. 
 + 
 +Control room LOs: 
 + 
 +702 for IF1 
 + 
 +670 for IF2 
 + 
 +Coherence check tones used (MHz 2nd harmonic):​ 
 + 
 +819.5, 827.5, 835.5, 843.5 
 + 
 + 
 + 
 +Observer: Jamie McCallum, Jamie Stevens. 
 + 
 +Comments follow: 
 + 
 +2007.027.00:​55:​50.29;"​CAL heights derived from scans on 3C348. Scans were affected by noticable interference spikes. 
 + 
 +2007.027.00:​58:​00.32;"​3/​4 overcast, thick low cloud. Light winds. 
 + 
 +2007.027.02:​44:​17.52;"​System coherent 
 + 
 +2007.027.02:​46:​46.86;"​DAS levels are running high. wth 
 + 
 +2007.027.02:​47:​03.58;"​Not out of limits. 
 + 
 +2007.027.02:​48:​19.29;"​ A series of showers has passed, sky overhead is clear. Windy. 
 + 
 +2007.027.05:​00:​52.56;"​System coherent 
 + 
 +2007.027.05:​03:​57.16;"​Weather is changeable - scattered clouds, moderate winds with occasional showeres. 
 + 
 +2007.027.06:​27:​34.18;"​DAS levels are varying considerably. Interference?​ 
 + 
 +2007.027.08:​02:​12.83;"​DAS levels have steadied. 
 + 
 +2007.027.08:​02:​34.96;"​System coherent 
 + 
 +2007.027.08:​03:​23.75;"​Measured system temperatures seem unreliable, probably due to interference. 
 + 
 +2007.027.08:​04:​38.35;"​Weather is 7/8 overcast and windy. Occasional showers. 
 + 
 +2007.027.11:​42:​51.40;"​System coherent 
 + 
 +2007.027.11:​44:​44.65;"​Momentarily stopped the recorder in cDisko, trying to stop the vc017 disk-cleaner. Restarted immediately. 
 + 
 +2007.027.11:​48:​04.85;"​Missed one scan v190_Ho_027_114400.lba 
 + 
 +2007.027.14:​00:​34.93;"​Now recording to xraid0_1 
 + 
 +2007.027.14:​01:​51.84;"​System coherent 
 + 
 +2007.027.14:​03:​48.29;"​Weather is cool, lightwinds and mostly clear. 
 + 
 +2007.027.17:​33:​13.96;"​System coherent 
 + 
 +2007.027.17:​34:​55.44;"​Weather is cool, light winds and 25% thin scattered overcast. 
 + 
 +2007.027.21:​17:​15.55;"​System coherent 
 + 
 +2007.027.21:​20:​39.76;""​Weather is warm, 1/2 thick cloud moving in and calm. 
 + 
 +2007.027.23:​35:​19.55;"​Weather is warmcalm and 50% cloud cover. 
 + 
 +2007.027.23:​37:​44.35;"​System coherent 
 + 
 +2007.028.00:​25:​20.78;"​Jamie S taking over for Jamie M 
 + 
 +2007.028.00:​25:​41.08;"​LBA DAS monitor program just crashed, have brought it back up 
 + 
 +2007.028.00:​25:​59.62;"​again with VSOP_HO.PRO,​ but have not issued setup, just using for 
 + 
 +2007.028.00:​26:​03.24;"​monitoring 
 + 
 +2007.028.00:​26:​30.84;"​DAS power levels still good, but IF1 power levels had dipped 
 + 
 +2007.028.00:​26:​41.28;"​just before the crash, causing an alarm 
 + 
 +Regards, 
 + 
 +Brett. 
lbaops/lbajan2007/v190fholog.txt · Last modified: 2015/12/18 16:38 (external edit)