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Handover notes
Please use this page to write up any notes on anything that needs to be passed on to the next observer or should go into the end of experiment message.
Notes should be placed below the horizontal line as a new blog entry.
Continuing problems should be copied to the Current Issues page.
**Template for Handover notes:**
Be sure to add any specific notes about the experiment if required, for example “Special back end configuration for x reason”. Put as much detail as you can - the more the better.
====== Experiment Name ====== **Hobart 12m** Disk VSN: abc-123 | Data volume at beginning: 2.34 GB * 1300UT a comment from me (user) **Katherine 12m** Disk VSN: | Data volume at beginning: GB * **Yarragadee 12m** Disk VSN: | Data volume at beginning: GB * 1300UT Experiment started okay (JMc).
Format for entering a comment It is important to stick to this formula - there is a good reason we need this information, so please include it!
Time stamp in UT * Comment * (Your Name)
For Example:
20:00UT: Wind stows, Missed scans 012-3456 to 012-3457 (Jim)
20:50UT: Mark5 lost connection, had to restart Mark5 and reconfigure DBBC, called Jamie on call to fix, missed scans 012-3456 to 012-4567 (Jim)
Again - as much detail as you can. It is important to remember that these notes will be sent to the correlator, so please make sure they make sense to others.
R1662
Hb
- Module: IAA-0023, start 0 GB (Ellen)
- First scan (321-1705) missed due to recovering from wind stow (Ellen)
- 18:12:25 UT wind stowed and stuck, missed scans 321-1820 to 1834c (Ellen)
- 18:55:15 UT wind stowed and stuck, missed scans 321-1900a to 2134 (Ellen)
Ke
- Module: BKG-0062, start 0 GB (Ellen)
Yg
- Module: HAY-0029, start 0 GB (Ellen)
AUST60
Hobart 12m:
Disk VSN: HOB+1008
Data volume at beginning: 5587 GB
- Disk_pos 135 GB behind schedule (Ross).
Katherine 12m:
Disk VSN: HOB+0114
Data volume at beginning: 6004 GB
- 20:45 UT: schedule halted in order to get our R4 module (request from Martin). Missed scans 320-2037 to 320-2044 between 20:37 and 20:45. (Lucia)
Yarragadee 12m:
Disk VSN: HOB+0095
Data volume at beginniSucessfulng: 5716 GB
- Got a “No PCFS activity for 15min at ~10:54 UT” looks like field system crashed. Restarted at 11:06 UT, but log monitor still going bonkas (JS)
- Successful scan - Scan: 320-1112, Source: 2136+141, Time: 11:12:05 UT (JS)
- Missed scans 10:55 UT to 11:12 UT (looks like e control crashed not the FS) (JS)
- 05:26 UT, 2014.320.18:19:18 WARNING: error st -27 computer acu time difference exceeded 0.25 seconds, see value above. WARNING in Log Monitor persistent for a few minutes. Then disappears again. Could not identify any errors. The Wiki says this is a network problem and can be ignored. (Lucia)
AUST59
Hobart 12m:
Disk VSN: HOB+1008
Data volume at beginning: 0 GB
- 00:00 UT - Experiment started OK (vk)
- 02:51 UT - Disk pos 70 GB short (vk)
- 05:26 UT - Disk pos 100 GB short (vk)
- 07:32 UT - Disk pos discrepancy has increased at a steady rate, now at about 160GB. No missed scans showing so far, not sure what the cause is (Imogen).
- 13:08 UT - Disk pos 300 GB short (Ross)
- 15:24 UT - Disk pos 360 GB short (Ross)
- 20:20 UT - Disk pos 500 GB short (Ross)
- 22:26 UT - Disk pos 550 GB short (Ross)
Katherine 12m:
Disk VSN: HOB+0114
Data volume at beginning: 0 GB
The Field System computer (and KVM switch) were not operating properly during setup. I had to have Martin attend the telescope to restart the KVM switch and the Field System. The first few scans were missed (as described below) (Imogen (on call)).
- 00:37 UT - Experiment started. Missed scans 319-0000 to 319-0038. Corresponding to 173 GB shortage of data. (vk)
- 05:59UT ssh connection keeps dropping out (Imogen)
- 07:55UT still losing ssh connection every 5 minutes which is preventing me from completing a checklist. Am still able to log onto Field System PC so was able to do some checks - everything is running smoothly at this stage. (Imogen)
- 10:08 UT - ssh connection is still not stable enough to complete a checklist. Did a full check of all systems and everything is ok. (Imogen)
- 10:10UT Weather update (due to checklist failure): 90% cloud, temp 28 degrees C, pressure 993 hPa, humidity 71%. (Imogen)
Yarragadee 12m:
Disk VSN: HOB+0095
Data volume at beginning: 0 GB
- 00:00 UT - Experiment started OK (vk)
R4661
I can't get the text editor 'gedit' to work (I had the same issue last night), so the .sum files are in emacs. But now gnuplot doesn't have a terminal type 'wxt' (when it opens, it sets it to 'unknown'). So I had to plot the delay differences on ops4 where the command 'set term wxt 0 ; plot “ke_ddif.txt” works fine, while on ops2 I get the error: unknown or ambiguous terminal type. Has there been a software update that messed with everything? (Ellen)
Hb
- Hb is excluded from r4661 (vk)
- Unable to drudge .skd. Jim advises it is possibly due to Hb scheduling issues. (vk)
Ke
NRAO-143 @ 0 GB
- Experiment started OK (vk)
- Ke suffered a clock jump during the previous experiment. Keep a lookout for this.
Yg
HOB+0022 @ 923 GB
- Experiment started OK (vk)
- 18:42 UT - Log monitor says “WARNING: 2014.317.18:42:39.15#trakl#antenna stuck”. But ONSOURCE says that antenna is TRACKING.
OHIG91
ops2 keeps freezing and is just generally slow, I could not even open gedit for the summary files (had to load them on ops4) (Ellen)
Hobart 12m:
Disk VSN: HAY-0047
Data volume at beginning: O GB
Katherine 12m:
Disk VSN: HOB+0041
Data volume at beginning: 0 GB
- Jump in clkoff time since experiment setup 10 hours earlier, but appears to be stable now (Ross).
- 18:15:19 UT: Large difference between formatter and maser delays (Ross).
- 18:30 UT: Field system not responding, schedule could not be restarted after fmset (Ross).
- 19:00 UT: Schedule restarted and time difference stable (Ross).
- 19:07 UT: First reliable scan 316-1907, 54.84 GB (Ross).
- 03:21 UT: clock difference has drifted over the last two hours. Alarm of log monitor @ Mt Pleasant not working. DBBC reconfigured. Still drifting. Power cycle the DBBC finally helped. Scans missed between 3:30 and 4:00. Missed scans 317-0332 to 317-0349. (Lucia)
Yarragadee 12m:
- 15:25 UT: Autocorrelations show distinct signals. Jamie says we see the phase cal tones here. (Lucia)
Disk VSN: HOB+0022
Data volume at beginning: 0 GB
AUST58
Hobart 12m:
Disk VSN: HART+104
Data volume at beginning: 0 GB
- 07:04 UT - Windstowed at start. Missed first scan 314-0700a. (vk)
- 21:09 UT: 100 GB behind schedule (Ross).
- 01:05 UT: 140 GB behind schedule (Ross).
- 05:01 UT: 180 GB behind schedule (Ross).
- 06:56 UT: 200 GB behind schedule (Ross).
Katherine 12m:
Disk VSN: HOB+0072
Data volume at beginning: 0 GB
Yarragadee 12m:
Disk VSN: HOB+0059
Data volume at beginning: 0 GB
- 09:08 - Log monitor reports that 'antenna is stuck'. However ONSOURCE cmnd and webcam indicate that it is moving OK (vk)
- 18:20 and 01:34 UT: The log monitor reports 'antenna stuck' despite the ONSOURCE command indicating it is moving. (Ross)
- 23:41 and 01:57 UT: Tracking errors too large, but dource slewed back on source (Ross).
