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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.
AUA002
Monitoring Observations on Parkes 64-m: Parkes Monitoring and Setup Instructions
AUA003 is not automatically started at the end of this schedule!
Additionally, AUA003 prc files have ifb=4,agc,1, rather than ifb=4,agc,4, like AUA002. Unsure if this is intentional or not (AUA is AUST-type, right?)
Hobart 12m:
Disk VSN: HOB+0126/32000/1024
Data volume at beginning:
- Approximately the first 45 minutes of the schedule was too windy for operation. (Chris)
- 02:55:40UTC: windstow, 03:03 recovered (Liza)
- 04:47:04UT Windstow, 04:51:40 recovered (JS)
- 04:59:40UT Windstow, 05:05:40 recovered (JS)
Hobart 26m:
Disk VSN: USN-0002/6000/1024
Data volume at beginning: 0 GB
- Started at 22:10 UT, because I didn't know/forgot the 26m was included. At least 45 minutes of the schedule was too windy to be used, at least. (Chris)
- 02:00UT Brett run calu -m pcfs on newsmerd to control the diod – Tsys were not measured correctly.
- 02:01UT windstowed
- Windstowed at 06:49, 06:59, 08:46, 08:48, 08:53, 08:58, 09:00, 09:02, 09:05, 09:09, 09:14, 09:23, 09:26, 09:29, 09:34, 09:39, 09:51, 09:54, 09:57 and 10:02 (Ross).
- Windstow at approximately 13:20 UT (vk)
Katherine 12m:
Disk VSN: HART+104/8000
Data volume at beginning:
Yarragadee 12m:
Disk VSN: HOB+0124/32000
Data volume at beginning:
r1686
Hobart 12m:
Disk VSN: HOB+1006/16000
Data volume at beginning: 8712.0 GB
- 17:00 UT - Experiment started on wrong disk. Initiated bank change. Scans 124-1700a to 124-1704 on HOB+0126. Missed scans 124-1707 to 124-1712 (vk)
- 00:26 UT - wind-stow. Recovered at 00:36. (Dave)
- 06:38 UT - wind-stow. Recovered at 07:45. (Ellen)
- 07:56 UT - wind stow. Recovered at 08:24. (Ellen)
- 08:28 UT - wind stow. Recovered at 10:59. (Ellen)
- 11:37 UT - Wind stow. Recovered at 12:04. (Ellen)
Katherine 12m:
Disk VSN: IAA-0028/2000
Data volume at beginning: 0TB
- 17:00 UT - Experiment started OK (vk)
- 17:42 UT - Restarting DBBC. Alarms sounding because clock drift had gone past 0.5 microsec and was still plunging (vk)
- 17:56 UT - Schedule restarted. Missed scans 124-1741 to 124-1753a, corresponding to a deficit of ~15 GB (vk)
- 21:43 UT - Antenna stuck! However it seems to have resolved itself by 21:45. Scan 124-2138b might have been affected (vk)
Yarragadee 12m:
Disk VSN: SHAO-017/2000/1024
Data volume at beginning: 0TB
- 09:26 UT - S RCP/X RCP are 15.0/7.0 as opposed to 10.0/7.0 as they ought to be. However, iread shows that power levels are being obtained with reasonable attenuation, so am not going to adjust this. (vk)
- 17:00 UT - Experiment started OK (vk)
- 08:30 UT - Tsys bands 09-14 (except band 11) all consistently far too high. (Ellen)
AOV002
Hobart 12m:
Disk VSN: HOB+1006/16000
Data volume at beginning: 7.9GB (I assume approx 7.9 TB??)
- 08:38 UT: 8301 GB recorded (Ross).
Katherine 12m:
Disk VSN: TR-00014/2000
Data volume at beginning: 0TB
- The schedule start email claimed everything was fine - but mk5ke was not recording properly. It's unclear why this happened. Several “mk5cn: connection closed” messages appeared, and nothing was being recorded. The EndDIM command had no effect on the dim process. fmset took a few seconds to display values, but eventually did. I decided to reboot the mk5 via the power switch. Waiting for a few minutes and looking on the webcam showed what looked like a frozen state. Tried off, then on, but the mk5 never had lights on the front powered after this. Boot did nothing either. Contacted Jamie, now recording to mk5-2ke (USN-0169, 2TB free). Missed approximately the first hour - first real scan is 1424-418 at 120-1959a. There appears to be bad auto-correlations in DBBC channels 1 and 14, but not restarting DBBC for fear of losing more time. (Chris)
- In gap between scans 120-2335 and 120-2346, cycled power to DBBC and reprogrammed it. No scans missed but expect a clock jump. (Jim)
- DBBC cont cal wasn't working. Another DBBC reset required. scans 121-0004, 121-0008, 121-0010 missed. Clock jump. (Jim)
- Another DBBC restart required, due to large difference between formatter and maser delays. (Jakob)
- 08:42 UT: 476 GB recorded (Ross).
- 08:44:59 UT: ALARM: error m5 -104 mk5cn: time-out, connection closed (Ross).
Yarragadee 12m:
Disk VSN: HOB-0008/960
Data volume at beginning: 0TB
r4685
Hb
Disk VSN: USN-0027
Start pos: 1550 GB
- Good pointing fit (Dave)
- Signs of RFI in X-band channels 5 and 7 (Liza)
- disk_pos is showing 50GB more (stable) (Liza)
- rfpcn timeout problem persists, even after restarting both IFbox and rxmon (Liza)
- 00:03UTC: restarted Rxmon (Liza)
- ~02:00 UTC: restarted Rxmon and IFBox, didn't help with the rfpcn timeout problem (Liza)
- 06:16UTC: S-band narrow-band Tsys are in range 100-180K (Liza)
Ke
Disk VSN: USN-0194
Start pos: 0 GB
- Good pointing fit (Dave)
- Voltage slightly low on Maser at 23.7 V. Brett is aware and says to keep an eye on it (Dave)
- Very slow drift of the delay difference (gentle slope -7ns/day)
Yg
Disk VSN: UAO-0026
Start pos: 0 GB
- Good pointing fit (Dave)
- 06:47UTC: during the scan 120-0646b the telescope struck the Az limit. Rescued itself by switching to the other source (liza)
AUG018
Hobart 12m:
Disk VSN: HOB+1006/15984.22
Data volume at beginning:3878.836
UT 08:17 - Deficit of 196 GB (JS)
UT 10:55 - Deficit of 255 GB (JS)
UT 12:36 - Deficit of 300 GB (JS)
UT 17:20 - Deficit of 415 GB (vk)
UT 20:32 - Deficit of 505 GB (vk)
UT 22:14 - Deficit of 544 GB (vk)
Katherine 12m:
Disk VSN: HOB+0112/15980.50
Data volume at beginning:4417.168
Yarragadee 12m:
Disk VSN: HOB+0131/16831.72
Data volume at beginning:18975.560
AUG017
session started (jakob)
Hobart 12m:
Disk VSN: HOB+1006/15984.22
Data volume at beginning:0
Katherine 12m:
Disk VSN: HOB+0112/15980.50
Data volume at beginning:0
Yarragadee 12m:
Disk VSN: HOB+0131/16831.72
Data volume at beginning:15146.339
