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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.
R4696
Hobart
Module: HOB+0059 start pos: 1630GB (Liza)
- UT 1436 pointing good (JS)
- UT 02:54 windstow and antenna got stuck. Had to restart field system, schedule restarted (Imogen)
- 09:02 UT - Disk pos ~50 GB behind. Last recorded deficit was 30 GB. (Ellen)
Katherine
Module: USN-0179 start pos: 0 GB
- UT 1436 pointing good (JS)
- UT 198.04:43:46 clock jump. DIMino restarted (in vain), DBC DDS restarted and reconfigured (helped). Scans affected: 198-0443 - 198-0457. First good scan 198-0504b. (Liza)
- 07:05 UT - VPN to Katherine, Yarragadee and Ceduna died. I called Brett but he was unable to fix Katherine without someone going out there. Martin is recovering, Sam can't go because he said he doesn't know much about it and he's on call for another job and I can't get in contact with Mick. (Ellen)
- 10:32 UT - VPN randomly (finally) decided to fix itself. (Ellen)
Yarragadee
Module: USN-0137 start pos: 0 GB
- UT 1436 pointing good (JS)
- 07:05 UT - VPN to Katherine, Yarragadee and Ceduna died. I called Brett and he fixed it by 07:42 UT. From what I can tell, everything kept running fine. (Ellen)
Fringes found in ke-yg and hb-yg
CRF89
Hobart
Module: USN+0225 start pos: 0 GB
Katherine
Module: USN-0079 start pos: 0 GB
Yarragadee
Module: MAT+0010 start pos: 0 GB
R1696
Fringe check done using all 3 stations on source 3C273. No fringes found on hb-ke baseline. Fringes detected in channel 10 for hb-yg baseline. Fringes detected in channels 12, 16 for ke-yg baseline. (Ellen)
Hobart
Module: HOB+0059 start pos: 0 GB
- 17:00-18:25 UT – at the start of experiment pcfshb run out of free space and hadn't recorded any logs from 17:00UT until 18:24UT. ERC didn't connect and log monitor didn't warn observer of problems, if any. The status of data during this 1.5 hour is unknown, but allegedly it is unaffected as telescope tracked and recorded during this time. (Liza)
Katherine
Module: USN-0035 start pos: 0 GB
- 17:00 UT - Experiment started ok.
Yarragadee
Module: USN-0186 start pos: 0 GB
- 17:00 UT - Experiment started ok.
R4695
Hobart 12m:
Disk VSN: MPI+0153/2000/1024
Data volume at beginning: 0
Katherine 12m:
Disk VSN: OSOD-054/2000/1024
Data volume at beginning: 0
11:53 UT - No vnc connection to ketime possible. Hence, I can't check the maser status. Machine will need local restart. (Lucia).
Yarragadee 12m:
Disk VSN: IAA-0026/2000/1024
Data volume at beginning: 0
RD1505
Hobart 26m
Module VSN: USN-0072/6000
Pointer at the beginning: 1090 GB
- UT 1735 Experiment started OK (JS)
- UT 1818 Fiddling with IFD03 and IFD02 powerlevels during scans 188-1800a-188-1814. Levels are now between 0.1 and 1.0 when on source for both modes (JS)
- UT 2115 PSUP he supply pressure has dropped below 275. Currently at 274 psi and looks to be still dropping (JS)
- UT 2326 - Formatter re-synchronised after mark4 rack reset. Still trying to get vc7 working. (JMc)
- UT 2334 - Swapped vc14 for vc7. vc7 now working but vc14 unlocked. Already heavily RFI affected, so likely no worse off. (JMc).
- UT 2353 - FS restarted after loosing connection to antenna. (Lucia)
- UT 0058 - fs says onsource slewing, but antenna says it is tracking. Scheduled halted shortly and trying to fix, but problem persists. (Lucia)
R1695
Hobart 12m:
Disk VSN: HOB+0031/6000
Data volume at beginning:0
- Problems with mk5 before exp. Rebooting & Reseating modules eventually fixed issue. (Dave)
- Exp started ok. (Dave)
- FS occasionally losing connection with antenna control. Running antenna=open restores. (Dave)
- Autocorrelation spectra sugest RFI in channels: X8U, S5, S6. Tsys are high (100-120K) in the following channels: X2, X5, X7, X8U, X8L, S1-S4. Readings from S4, S5 are unreliable (overflown or <0) (Liza)
Katherine 12m:
Disk VSN: HAY-0062/4000
Data volume at beginning: 0
- Exp started ok. (Dave)
- Autocorrelation spectra sugest RFI in channels: X6, S2-S4. Tsys are high (105-160K) in the following channels: X5, X8U, S1-S4. Readings from S4, S5 are unreliable. No readings from the wide bands. (Liza)
Yarragadee 12m:
Disk VSN: USN-0036/4000
Data volume at beginning: 0
- Exp started ok. (Dave)
- 21:19: False windstow. (1000 km/h!). Rebooted windyg and restarted fs. Scans 187-2119–187-2125a missed (Dave)
- Autocorrelation spectra sugest RFI in channels: X8U, X8L, S1-S3, S6.Tsys are high (100-140K) at times in X2, X5, S1, S2, but all the time high ar S4-S6. X-band Tsys are generally btw 50 and 70K. (Liza)
