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handover:r4774 [2017/01/12 20:35] Nick Ham |
handover:r4774 [2017/01/13 15:26] Warren Hankey |
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* 18:32UT Experiment started late, first scan 012-1832 (Nick) | * 18:32UT Experiment started late, first scan 012-1832 (Nick) | ||
- | * 18:32UT Quite a few of the values on the system monitor are red, with drive status and drive control unknown | + | * 18:32UT Quite a few of the values on the system monitor are red, with drive status and drive control unknown (Nick) |
- | * 18:45UT clkoff-maserdelay delay was excessively large (533072.774 us), reconfiguring the DBBC worked as explained at http://auscope.phys.utas.edu.au/opswiki/doku.php?id=operations:monitoring_hb#clkoff_reading_is_drifting_or_far_from_the_maser-gps_offset | + | * 18:45UT clkoff-maserdelay delay was excessively large (533072.774 us), reconfiguring the DBBC worked as explained at http://auscope.phys.utas.edu.au/opswiki/doku.php?id=operations:monitoring_hb#clkoff_reading_is_drifting_or_far_from_the_maser-gps_offset (Nick) |
+ | * Some wind stows. Check logs to note off source times. (Jim) | ||
+ | * 2017.013.06:14:55 ALARM: Large difference between formatter and maser delays. Check for stability of new offset. Reconfigured dbbc. This seemed to work. Hobart was wind-stowed anyway (Lucas) | ||
+ | * 10:30 UT Hobart recovered from 'wind stow'. | ||
+ | * Antenna probably hadn't been wind stowed actually for a while. I noticed the wind speed had dropped to 7.5km/h bu the antenna hadn't recovered. | ||
+ | * Anyway after a few resets of antenna, drives, reboots, system and no change I thought the monica data was wrong since the wind speed didn't change from 7.5km/h. This has worked for me in the past to I tried it first. | ||
+ | * Antenna started setting off alarms due to missed scans and started trying to record data whilst stowed. Never a good sign. Solution was to: | ||
+ | * halt | ||
+ | * disk-record=off | ||
+ | * antenna=off | ||
+ | * terminate fs | ||
+ | * restart | ||
+ | * antenna=open | ||
+ | * antenna=operate | ||
+ | * proc=r4774hb | ||
+ | * schedule=r4774 | ||
+ | And it was away! | ||
+ | * First good scan after recovery 013-1039. | ||
+ | * **IMPORTANT NOTE** I skimmed the logs to see where it went wrong and I think the moment it buggered up was a note that said 'auto-stow recovery failed'. From then on it got stuck in a loop of trying to stow but never getting there. Maybe this should be an alarm?? | ||
+ | * 14:30 Automatic wind stow. Released on it's own. 013-1451 first scan after release. | ||
+ | * 15:30 I think monica weather server isn't working, wind data hasn't updated for a while. I needed to go up to the telescope (to put in a mv004 module) and the wind was very clearly >7.7km/h (it nearly blew me over) that the monitor system showed (Lucas) | ||
**Katherine** | **Katherine** | ||
- | Module HOB+0130/Start 0.00 GB | + | Module NRAO-005 (960 GB)/Start at scan 013-0349 (711.5 GB offset) 711.50 GB |
- | * 18:32UT Experiment started late, first scan 012-1832 (Nick) | + | * 18:32UT Not running until maser has been fixed. |
+ | * 03:49UT Maser repaired, looks good. Data should be OK from scan 013-0349 onward (Jim) | ||
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* 18:32UT Experiment started late, first scan 012-1832 (Nick) | * 18:32UT Experiment started late, first scan 012-1832 (Nick) | ||
- | * 20:35UT onsource command is suggesting the antenna is outside the 'nominal tracking tolerance of 0.0045 degrees, current tolerance 0.0100' (Nick). | + | * 21:50UT Data is invalid prior to scan 012-2151c (was unable to communicate with the DBBC) (Nick) |
~~DISCUSSION~~ | ~~DISCUSSION~~ | ||