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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.
r4760
Hobart 12m:
Disk VSN: HOB+0072
Data volume at beginning: 3297 gb
- 18:30UT Experiment started OK.(AK)
- 08:00UT Is S-band right polarisation attenuation now supposed to be set at 6 dB, has been noted as either 0 or 6 in the setup instructions but not with much confidence, used to be 7 I think (Ross).
Katherine 12m:
Disk VSN: USN-0069
Data volume at beginning: 0 gb
- 15:55UT During setup noticed that xband cross over switch was “cross”. Changed it to direct using rfpic=direct,direct.(AK)
- 18:30UT Experiment started OK.(AK)
Yarragadee 12m:
Disk VSN: UVLBI-25
Data volume at beginning: 0 gb
- 18:30UT Experiment started OK.(AK)
RD1610
Hobart 26m
Module: HOB+0106, start pos: 0.0GB
- 1740UT Experiment started OK (JS)
- 0954UT Power out at Sandy Bay campus, on back up power (Ross)
R1760
Hobart 12m
Recording to HOB+0072, initial disk position= 1.731GB
- ESOK (Lucas)
- 0013 UT Wind stow, missed scan 279-0013b
- 0027 UT Wind stow, missed scans 279-0027b and 279-0029a
- 0055 UT Wind stow, missed scans 279-0054 through 279-0125a
- 0137 UT Wind stow, missed scans 279-0136 through 279-0141
- 0154 UT Wind stow, missed scans 279-0151 through 279-0309
- 0317 UT Wind stow, missed scans 279-0317 through 279-0327
- 0500 UT Wind stow, missed scans 279-0459 through 279-0511
- 0536 UT Wind stow, missed scans 279-0535 through 279-0546 (Bryn)
- 0700 UT Wind stow. Bad scans 279-0659 through 279-0712a (Ellen)
- 0901 UT Wind stow. Bad scans 279-0859b through 279-0904b. (Ellen)
- 11:35 UT Wind stow. Bad scans 279-1135 through . (Ellen)
Katherine
Recording to MAT+0008, initial disk position= 727.146GB
- ESOK (Lucas)
Yarragadee
Recording to HOB+0125, initial disk position= 10081.384GB
- ESOK (Lucas)
- S-band tsys values consistently too high. (Ellen)
Dynamic Schedule DS275
General Notes: With all three of the telescopes since my shift started (and I am pretty sure well before), there has been a lot of 'previous source in this schedule not reached before new source was commanded'. They look to be popping up every 15-17 minutes fairly consistently so it seem they are when the dynamic scheduler is grabbing a new schedule and executing mid slew of another schedule? (Tiege)
Hobart
Module: HOB+0097, unknown starting disc position
- A few scans still slewing during scans. (Ellen)
- 07:18:54 previous source in this schedule not reached before new source was commanded. (AK)
Katherine
Module: ULVBI-29, unknown starting disc position. USN-0062 (second disk) 0.000 GB
- Module filled up so schedule stopped until someone can put another module in. (Ellen)
- According to the logs, the last scan before it cut out was 275-0459. (Ellen)
- 02:00 UT - Schedule resumed, first scan 276-0201 (Ross)
- 02:11 UT - Large offset between formatter and maser delays, but it is stable (Ross)
- 21:35 UT - Katherine Disk has filled up, there is less than 2 hours until the experiment ends so I don't think it is worth swapping too a fresh disk. First scan with module full was 276-2116. (Tiege)
Yarragadee
Module: HOB+0125, unknown starting disc position
- A few scans still slewing during scans. (Ellen)
- 13:49 UT - Tsys bands 09, 10, 12, 13 way too high. (Ellen)
- 08:58 UT - previous source in this schedule not reached before new source was commanded (AK)
R4759
Hobart 12m
Module: HOB+0033, start pos: 0.0 GB
- 1830UT Experiment started ok. (JS)
- 2200UT heavy rain affecting Tsys (JS)
Katherine
Module: ULVBI-29, start pos: 0.0 GB
- 1830UT Experiment started ok. (JS)
Yarragadee
Module: WSRT-047, start pos: 0.0 GB
- Late start, mk5 crash (no route to host, no ping) (JS)
- 1836UT pings now, connection refused, restarting DIMino (JS)
- 1847UT Onsource and tracking, successful scan (JS)
- Missed scans 273-1830a through 273-1843
APSG39
Hobart 12m
Module: USN-0102, start pos: 1240.317 GB
- 18:00 UT Experiment started ok. (Ellen)
- 01:31 UT getting some warnings of the form WARNING: error an -103 pointing computer tracking errors are too large (Nick).
- 04:27 UT persistent anteena is slewing errors, it is currently quite windy! (AK)
Katherine
Module: USN-0085, start pos: 770.671 GB
- 18:00 UT - Experiment started ok. (Ellen)
- All X-band values overflowing. (Ellen)
- 00:00 UT Log monitor had some issues, would claim no pcfs activity since x minutes, The 'x' minutes value would count down from a ~300 mins to below 15. Started a new log monitor file. (Arwin)
- 01:31 UT - getting some warnings of the form WARNING: error an -103 pointing computer tracking errors are too large (Nick).
- 04:12:20 Halted sched for DBBC maintenance. Stopped before the 273-0412 scan. (AK)
- 06:05 UT Ke back online, First scan 273-0645.
Yarragadee
Module: HOB+1000, start pos: 1697.335 GB
- 18:00 UT - Experiment started ok. (Ellen)
- 18:42 UT - Scan 272-1841 missed because I restarted the schedule accidentally. (Ellen)
- 20:20 UT - S-band tsys values 120-260. (Ellen)
- 01:31 UT - getting some warnings of the form WARNING: error an -103 pointing computer tracking errors are too large (Nick).
- 04:27 UT Yg halted and stowed for hardware changes. Halted before scan 273-0427a
- 04:45 UT Yg back online, First scan 273-0453
- 11:22 - 11:55 UT Off line for RadioAstron track. Lost scans 273-1129 to 273-1148 (Jim)
- scans 1349a to 1425 lost due to RadioAstron (Jim)
