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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.
CRF92
Hobart 26m
Module: USN+0225, 9.47 GB
- 1741UT Late start (JS)
- 1750UT Live page not reporting correct receiver positions or telescope positions - verified with rack cameras (JS)
- 1800UT Having several issues with telescope (JS)
- Receiver warm - warren going out to vacuum
- Telescope is stowed (not showing in live-page) Assume because of wind
- Getting repeated error in erc (every second)
- Error: Cannot get monitor info from antenna (4000058)
- #antcn#Miscellaneous host Socket operation on non-socket
- 1857UT Drive PC reset, field system reset, cryogenics being cooled now (JS)
- 1902UT Successful scan missed scans 013-1730 through 013-1853(JS)
- 2139UT Live page up and running properly, and receiver cooled again - 70k @ 73k, 20k @ 60K(JS)
- 2213UT Stowed due to high wind.
- Missed 1557+032 to 1244-255
- 2311UT onsource again
- 0617UT, 0623UT and 0625UT telescope stowed due to high wind. Missed scans 014-0617 and 014-0624 (Tiege)
Hobart
Module: HOB+0104, 8617 GB
- 1730UT - Experiment started OK (JS)
Katherine
Module: USN-0005, 0 GB
- 1730UT - Experiment started OK (JS)
Yarragadee
Module: BKG+0141, 0 GB
- 1730UT - Experiment started OK (JS)
R1722
Hobart
Module: HOB+0104, 5500 GB
- 17:00 UT - Experiment started OK (Ross)
- 00:00 UT - Getting the following error frequently: “Error being ignored: error qk -211 tsys value for device id overflowed or was less than zero.” (Tiege)
- 06:00 UT - Reciever Error: “ALARM: Delay through DBBC has changed. Monitor for stability and reset DBBC if it drifts.” have continued to monitor the delay and does not seem to be drifting. (Tiege)
- 07:51 UT - 013-0751 scan missed due to telescope slewing. (Bryn)
- 1419UT fmset sync issued between scans, delay difference improved (JS)
Katherine
Module: HOB+0128, 1592.175 GB
- 17:00 UT - Experiment started OK (Ross)
- 22:00 UT - NOTE: Shortly after observations began, clock offset increased from stable 0.3 to stable 0.79, Ross left this how it is and it is still stable (@ 0.79) at handover. (Tiege)
Yarragadee
Module: MED-11011, 0.000 GB
- 17:00 UT - Experiment started OK (Ross)
AUG020
Hobart
Module: HOB+0104, 0.77 GB
- UT0630 Experiment started OK (JS)
Katherine
Module: HOB+0128, 0.77 GB
- UT0630 Experiment started but with large clock offsets (JMC)
- UT0632 Experiment halted to reconfigure DBBC.
- UT0638, schedule resumed, UT0652 after problems with checkmk5 procedure but clock drifts continue.
- 11:44 UT - Schedule stopped as delay differences kept drifting, with DBBC reset achieving nothing. (Ellen)
- UT2310 Halted for DBBC reset, delay differences still drifting (Bryn)
- UT0004 Experiment Halted, delay differences drifting faster.
Yarragadee
Module: HAY-0050, 0.64 GB
- UT0630 Experiment started OK (JS)
r1719
Hobart
Module: HOB+0108, 8210.533 GB
- Experiment started OK (Ross)
- Missed scans from 23.30 to 23.43 UT due to SpaceX tracking commitments — Jim Lovell 2015/12/22 02:35
Katherine
Module: NRAO-179, 0 GB
- Experiment started OK (Ross)
Yarragadee
Module: NTO-0010, 0 GB
- Experiment started OK (Ross)
- 09:07 UT - Power failure. (Dave)
- 09:54 UT - Recovered from power failure and rerecording. (Dave)
- Scans 356-0907 – 356-0949a missed.
- 1200 UT - Power failure (JS)
- 1238 recovered (JS)
- missed scans 356-1156 – 356-1235
- 1242 power failure (JS)
- 1304 DBBC reset (JS)
- 1309 Recovered, and successful scan (JS)
- Missed scans 356-1244 – 356-1304b
R4718
Hobart
Module: HOB+0108, Start , 6541.4 GB
- There was no second module at HB, so the same one was used as for aov0006 (JS)
- Experiment started OK (JS)
Katherine
Module: UVLBI-06, Start 0 GB
- Experiment started OK (JS)
Yarragadee
Module: TR-00009, start pos 0 GB
- Experiment started OK (JS)
aov006
Hb
VSN: HOB+0108 (+ 10 GB)
Ke
VSN: HOB+0059 (+ 0GB)
- The VSN of the module is not set and could not be set at start setup because the control room light was off. (Dave)
Yg
VSN: HOB+0093 (+0 GB)
- 15:45UT Source=disable issued to interupt a delay alarm, scan 351-1542 affected (JS)
- 1549UT Source=disable issued again, disk recording stopped, and fmset performed as a precaution for delay alarm, Scan 351-1548 affected (JS)
