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lbaops:lbamay2006:v190catlog [2006/08/23 19:04]
stingay
lbaops:lbamay2006:v190catlog [2015/12/18 16:38] (current)
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-Data recorded on Swinburne set D8 - D14 and ATNF set V001 A1 - A7\\ +Data recorded on Swinburne set D8 - D14 and ATNF set V001 A1 - A7 
-\\ + 
-Reference antenna set to ca03\\ +Reference antenna set to ca03 
-\\ + 
-Very bad RFI below central 32 MHz on lower IF (~1625 MHz).  Occasionally RFI blows away the entire 1650 MHz band on short baselines - GLONASS passing through antenna beam (see the sidelobe pattern as it passes through!!).\\ +Very bad RFI below central 32 MHz on lower IF (~1625 MHz).  Occasionally RFI blows away the entire 1650 MHz band on short baselines - GLONASS passing through antenna beam (see the sidelobe pattern as it passes through!!). 
-\\ + 
-Likely to be bad shadowing for antennas 2,3,4 due to configuration used for 20G survey (before and after these observations).\\ +Likely to be bad shadowing for antennas 2,3,4 due to configuration used for 20G survey (before and after these observations). 
-\\ + 
-Stopped recording at ~02:22:30 UT: bigbuffer filling up and time stamps going haywire. ​ probably due to diskclean.pl. ​ manually removing test data and then fill start recording again.\\ +Stopped recording at ~02:22:30 UT: bigbuffer filling up and time stamps going haywire. ​ probably due to diskclean.pl. ​ manually removing test data and then fill start recording again. 
-\\ + 
-Started recording again at: 02:31:20\\ +Started recording again at: 02:31:20 
-\\ + 
-Dropped the tied array back to antennas 1,4,5 at ~04:05 UT, due to shadowing of antennas 2 and 3.  Started new tied array log at same time.\\ +Dropped the tied array back to antennas 1,4,5 at ~04:05 UT, due to shadowing of antennas 2 and 3.  Started new tied array log at same time. 
-\\ + 
-Some bad timestamps around 05:52 UT, due to disk cleaning. ​ Stopped recording and manually removed the files.\\ +Some bad timestamps around 05:52 UT, due to disk cleaning. ​ Stopped recording and manually removed the files. 
-\\ + 
-Started recording again at: 06:00:50\\ +Started recording again at: 06:00:50 
-\\ + 
-Changed volume to /​data/​xraid1 at 06:46:00 UT\\ +Changed volume to /​data/​xraid1 at 06:46:00 UT 
-\\ + 
-Some bad timestamps occur around 08:23 UT.  Stopped recording and started again at 08:24:00 UT\\ +Some bad timestamps occur around 08:23 UT.  Stopped recording and started again at 08:24:00 UT 
-\\ + 
-Tied 12345 in catie. ​ Started new log.  New source rising. ​ Shadowed for a start but will get better sensitivity as it rises and goes overhead.\\ +Tied 12345 in catie. ​ Started new log.  New source rising. ​ Shadowed for a start but will get better sensitivity as it rises and goes overhead. 
-\\+ 
 +Changed disk volume over to /​data/​xraid2 (ATNF V001 A1 - A7) at 12:30 UT.  Restarted recording at 12:31:00 UT.  Shadowing of antennas 234 sometimes pretty bad.  RFI remains pretty bad but mostly out-of-band. 
 + 
 +Changed disk volume over to /​data/​xraid3 at 18:15 UT.  Restarted recording at 18:16:00 UT.  Shadowing/​RFI for the equatorial source is terrible most of the time.  Other sources don't seem too bad. 
 + 
 +In the home stretch........ 
  
  
lbaops/lbamay2006/v190catlog.txt · Last modified: 2015/12/18 16:38 (external edit)