User Tools
Sidebar
This wiki is not maintained! Do not use this when setting up AuScope experiments!
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.
r4659
Hb
- (20:36 UT, Lucia): Large clock drifts (delay differences) from the beginning. After several DBBC config/reboots, looks stable now. First good scan# 303-2028 @303/20:28
- recording to module HOB+0105. 0 GB.
- strong RFI in last two s-band channels
- Deficit of ~120 GB due to late start (vk)
- 304/02:28 UT - Delay difference has been drifting since around 01:30 UT. JMc says to keep an eye on it until it drops below -0.300 msec.
- 03:19 UT - Halting schedule to reconfigure DBBC as delay difference has hit -0.330 msec.
- 03:30 UT - Restarted missed scan: 304-0324
- 04:00 UT - Halting schedule to reconfigure DBBC as delay difference is drifting.
- 04:08 UT - Restarted. Missed scans: 304-0353,304-0407a
Ke
- recording to module USN-0033. 0 GB
- two dodgy chanels in DBBC and high Tsys. This is a known problem.
- setup: couldn't snychronise times; restart DBBC
Yg
- (20:27 UT, Lucia): persistent ERROR 2014.303.20:28:37.16?ERROR s5 -104 rfpcn: time-out, connection closed
- (20:27 UT, Lucia): lost antenna control due to power failure. Lost scans between 19:29 and 19:48 UT (scan# 303-1940 and 303-1945)
- recording to module USN-0178. 0 GB
- troubles with Internet Connection to Yg while setting up (could not even ssh to). Yg people fixed that by rebooting the router (?).
- More internet problems at about 09:09 UT lost connection and did not get it back until 10:21UT (could have been a lot sooner if I hadn't been holding out false hope that it might fix itself), guys rebooted the D-link
error for fringe check: not successful. Automatically selected source was not visible from Yg (antenna limits reached).
Qcode % of Total % of Correlated
scans scans
5-9 92% 93% 0 4% 4% B-H 2% 2% Removed 1%
Qcodes 7-9 Correlated 92% Qcode N Not Correlated 0%
+CORRELATOR_NOTES
+STATION_NOTES
HOBART12 (Hb/H): Station experienced large clock drifts from start
of session to 303-2028.
Clock again drifted after approximately 303-0130,
continuing until DBBC reset at 304-0407.
Low fringe amplitudes in channel SR6U,
leading to occasional 'G' codes.
Channel SR6U removed from fringe fitting.
KATH12M (Ke/A): Ok. YARRA12M (Yg/Y): Ok.
+DROP_CHANNELS
Ft SR4U Hb SR6U
Other comments: a clock break in clock rates reported by the correlator for HOBART12. The effect is visible only for the single band delays, no additional break were added to the station. A small clock break is on YARRA12M baselines at the X-band.
Session Statistics
Observations: 2104 scheduled
2031 correlated (in database)
1853 recoverable (usable)
1783 used
Session fit: 36.421 ps
Station Performance
Number of Observations
Scheduled Recoverable* Used % of scheduled
obs used
HOBART12 471 387 369 78.3%
KATH12M 546 495 480 87.9%
YARRA12M 504 447 431 85.5%
--------------- --------- ----------- --------- ------
Station Total** 2104 1853 1783 84.7%
- Recoverable: can be included in the solution.
- * Total includes distinct observations only.
MISSED: Station was scheduled, but it did not observe.
NOT CORR: Station was scheduled but not correlated.
NOT USED: Usable data was generated for this station,
but the analyst rejected it all.
RD1410
Ho only, recording on HOB+0042
Wind stows from 03:18 UT (no summary file available so scans not noted):
- 03:18 to 03:24
- 03:49 to 03:55
- 03:59 to 04:05
- 04:12 to 04:29
- 04:36 to 05:16
- 05:21 to 05:26
- 05:34 to 05:45
- 06:03 to 06:08
- 12:33 to 12:36 ??(JS)
- 14:25 to 14:45 ??(JS)
r1659
Hb TR-00014
- RFI spikes in ch 14, 15 (0-15) (Liza)
- 22:07 UT - Windstowed (vk)
- 22:46 UT - Observations resumed. Missed scans: 300-2210b to 300-2241 corresponding to deficit of 36 Gb
- 23:19 UT - Windstowed
- 23:31 UT - Obs resumed. Missed scans: 300-2320a, 300-2325b and 300-2327 corresponding to cumulative deficit of 42 Gb
- Hb needed manual intervention to recover from above windstows.
- 301/00:43 UT - Windstowed
- 00:52 UT - Obs resumed. Missed scans: 301-0040, 301-0046 and 301-0050 corresponding to cumulative deficit of 62 Gb.
- Reported cumulative deficit with disk_pos is ~20 Gb, not 62 Gb. This is because mk5 begins to record after command to exit windstow is issued, even though the antenna drives do not activate until fs is restarted.
- 01:24 UT - Windstowd
- 07:12 UT - Returned from windstow. First scan 301-0712a. (DH)
Ke BKG+013
- Experiment started OK by Dave (vk)
- Steep slopes on chans 11 & 12 in autocorrelation plot
- 301/01:54 UT - disk_pos is 40 GB in excess?
Yg USN-0035
- Experiment started OK by Dave (vk)
+SUMMARY
Qcode % of Total % of Correlated
scans scans
5-9 89% 94%
0 4% 4%
4-1,A-H,N 2% 2%
Removed 6% -
+CORRELATOR_NOTES
+STATION_NOTES
HOBART12 (Hb/d): Missed scans:
from UT 300-2210b to UT 300-2241,
at UT 300-2320a, UT 300-2325b and UT 300-2327,
at UT 301-0040, UT 301-0046 and UT 301-0050,
from UT 301-0124 to UT 301-0712
due to windstow.
Note that some of the above scans contribute to the
statistics as non-detections.
KATH12M (Ke/a): Ok.
YARRA12M (Yg/i): Ok.
Problems: Hobart12 had several windstows, one lasting ~6 hrs.
The cable cal at NYALES20 was unstable, with 2 breaks.
It was not applied. This has happened several times
recently and is being investigated.
Parameterization comments: None.
Other comments: None.
Session Statistics
Observations: 2766 scheduled
2585 correlated (in database)
2353 recoverable (usable)
2265 used
Session fit: 42.591 ps
Station Performance
Number of Observations
Scheduled Recoverable* Used % of scheduled
obs used
HOBART12 690 433 422 61.2% KATH12M 717 617 590 82.3% YARRA12M 703 577 553 78.7% --------------- --------- ----------- --------- ------ Station Total** 2766 2353 2265 81.9%
- Recoverable: can be included in the solution.
- * Total includes distinct observations only.
MISSED: Station was scheduled, but it did not observe.
NOT CORR: Station was scheduled but not correlated.
NOT USED: Usable data was generated for this station,
but the analyst rejected it all.
R4658
Hb:
- Started OK, writing on USN-0054 with 1523GB (Liza)
- S-band Tsys are elevated (115-160K) (Liza)
- RFI spikes in ch 14, 15 (0-15) (Liza)
- Huge clock jump at 294.763 (from -0.25 to ~0.0), alarms did NOT go off - probably because DIMINO switched off (Ellen and Liza)
Ke:
- Started OK, written on HOB+0108 with 8054GB (Liza)
- S-band Tsys are elevated (110-190K) (Liza)
- RFI slopes in ch 11, 12 (0-15) (Liza)
Yg:
- Started OK, written on USN-0017, blank (Liza)
- Some channels in S-band have elevated Tsys (Liza)
- RFI spikes in ch 12, slope in ch 15 (0-15) (Liza)
- Huge clock jump at the same time as Hb (day number 294.763) from -0.3 to 0.0 (Ellen)
R1658
Hobart:
- Recording to 6TB module USN-0054 in bank A, +0GB (Ross).
- 17:00 UT: Experiment started OK (Ross).
- (Jesse) Manual module swap (w/ Brett and Liza) swap at ~00:47:20 UT, schedule restart (line #1758) onsource at 00:51:08.20 UT (Note: This scan was due to start at 00:51:03 UT)
Katherine:
- Recording to 2TB module IAA-0023 in bank B, +0GB (Ross).
- 17:00 UT: Experiment started OK (Ross).
- 19:34 UT: Large jump in time offset, -0.2703s at 19:32:58 and -0.4028s at 19:34:04, up to -1.1178s at 19:40:06, schedule halted (Ross).
- 19:41 UT: Field system reset, time offset steady at -0.0689s, schedule restarted (Ross).
- 19:51 UT: Time offset greater than -1s again, schedule halted (Ross).
- 20:24 UT: Restarted DBBC and resynced field system, time offset stable at -0.0034s, schedule resumed (Ross).
- Missed scans 293-1932 through 293-2029 (Ross). ~60 GB short (VK)
- 06:37 UT: ~40 GB short as opposed to exp. 60
Yarragadee:
- Recording to 2TB module NYAL-019 in bank B, +0GB (Ross).
- 17:00 UT: Experiment started OK (Ross).
+SUMMARY Qcode % of Total % of Correlated
scans scans
5-9 94% -
0 4% -
4-1,A-H,N 2% - Removed - -
+CORRELATOR_NOTES
+STATION_NOTES
HOBART12 (Hb/d): A few G-codes due to lower signal amplitude in the
last two channels of the S-band.
KATH12M (Ke/a): Missed scans from UT 293-1934 to UT 293-2032, because
FS had to be resynced.
YARRA12M (Yg/i): Ok.
Problems: Several clock breaks at Hobart12. Breaks set at 00:33
(-3.44 nsec) and at 11:52 (-.67 nsec). Also the scans
from ~22:23-22:56 on the HB baselines are offset by
~.7 nsec and were deselected.
There may be one or two breaks at Yarragadee, but they
are not so clear and applying one did not help. The
clock constraint was relaxed instead to 6.E-14.
Parameterization comments: None.
Other comments: Hart15m reported bad refraction corrections for
the first 14 hrs, but the data looks okay.
Session Statistics
Observations: 6207 scheduled
6118 correlated (in database)
5588 recoverable (usable)
5350 used
Session fit: 36.954 ps
Station Performance
Number of Observations
Scheduled Recoverable* Used % of scheduled
obs used
HOBART12 1108 977 918 82.9% KATH12M 1323 1188 1153 87.2% YARRA12M 1163 1045 983 84.5% --------------- --------- ----------- --------- ------ Station Total** 6207 5588 5350 86.2%
- Recoverable: can be included in the solution.
- * Total includes distinct observations only.
MISSED: Station was scheduled, but it did not observe.
NOT CORR: Station was scheduled but not correlated.
NOT USED: Usable data was generated for this station,
but the analyst rejected it all.
AUST55
Hb
- Recording on HOB+0088, +5285 GB (Liza)
- Autocorrelations, RFI: peaks in ch 14, 15 (0-15) (Liza)
Ke
- Recording on HOB+0108, +5709 GB (Liza)
- Autocorrelations, RFI: peaks in ch 11, 12 slope in ch 15 (0-15) (Liza)
- Started appr. 8 min late due to FS software crash, first allegedly valid scan 292-1616 (Liza)
- Network is very slow, running on backup control (Liza)
- 22:00 returned back eRC gui (Liza)
Yg
- Recording on HOB+0100, +5164 GB (Liza)
- Autocorrelations, RFI: spike and slope in ch 15 (0-15) (Liza)
