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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.
r4752
Katherine
Disk Position: 0 GB on USN-0114
- 1830UT: Experiment Started Okay (Liz)
- 1855UT: Skycam frozen, followed notes on wiki to get it working through vnc session to timeke (Liz)
- 2048UT: During checklist noticed autocorrelation has peaks in band 11 and 12 (Liz)
- 2235UT: Autocorrelation still the same pattern (Liz)
- 2235UT: Skycam frozen again (Liz)
Yarragadee
Disk Position: 0 GB on USN-0002
- 1830UT: Experiment Started Okay (Liz)
- 2350UT: Anemometer currently reading 1000 km/h while it is dead calm at Yarragadee. Bias error in measurements? Have disabled windyg temporarily, to avoid spurious windstows. (JMc)
AUA012
Katherine
Beginning disk position: 0 GB on HOB+0083
- 17:30UT: Experiment Started OK (Tiege)
- approx 2300 - Power outage at Katherine. Antenna drives off, rfpic server needed restarting. GPIB converter powered off and unable to be power cycled. Some observations made in this period, but without clkoff measurements. (JMc)
- 2337 - DBBC rebooted itself - power glitch?. Martin arrived at station, fixed GPIB error. Schedule resumed with first good data at 2356. (JMc)
- All recorded data between 2300 and 2355 is suspect. (JMc)
Yarragadee
Beginning disk position: 0 GB on HOB+0072
- 17:30UT: Experiment Started OK (Tiege)
Hobart 26m
Beginning disk position: 7489 GB on HOB+0112
- 17:30UT: Experiment did not start, major problems with the set up. setupsx was getting the critical error (sample rate error as stated in the setup guide), editing the proc file and making it similar too aua011 got rid of this error but introduced others. On-call person was called (Warren) we spent half an hour mucking around with the proc file, Warren eventually hacked together a proc file that seems to work without spitting out errors, however, neither of us are sure it is working correctly. Will wait for Jamie to evaluate at shift change over. Warren edited something to do with the tracks in the proc file. (Tiege)
- 17:53UT: First good scan 222-1753 (Tiege)
- 2300: Configuration confirmed as valid as far as frequencies and fanout. Will need to send a revised VEX file to SHAO for the correlation. (JMc)
- 0000: Track assignment before scan 0019 has an invalid track assignment for the X-band LSB channels. This was corrected at 0012 (JMc).
R1752
Katherine
Beginning disk position - 2016.221.15:53:44 Total data recorded = 1.410 GB on HOB+0.119
- Experiment Started OK (Lucas)
- possible RFI in x-band expected, due to nearby aeroplane exercise (Lucia).
- 04:44UT: Checklist comments: Tsys in channel 11 saturating, keep watching it. Autocorrelations: spike in channel 12; (Lucia)
- 06:42UT: Tsys has normalised now, so has the Autocorrelation spectrum (Lucia)
Yarragadee
Beginning disk position - 2016.221.15:53:42 Total data recorded = 3.013 GB on NYAL-0.25
- Experiment Started OK (Lucas)
- 2230UT - Unable to view maser status in vncviewer 59.167.111.242:2, either by the quick access desktop nor terminal. Terminal reports back 'unable to find route (113)' however the maserdelay commands still works and reports normal delays. In addition, vnc's to the Katherine maser work and to the pcfsyg, but the yg rack camera appears offline. (Lucas)
- 01:43UT - vnc to maser works again (Lucia)
- 01:43UT - no weather data logged due to broken weather sensor. Repair is underway. (Lucia)
- 04:47UT - continuously trailing behind in recorded data. Now at 34 GB. (Lucia)
R4751
Katherine 12m:
Disk VSN: USN-0012
Data volume at beginning: 0, but add 301.5 GB for missed scans
Started late as operator missed their shift.
22:54 UT : First scan with good data: 217-2236 (Jim) 09:52 UT : received WARNING: error st -27 computer acu time difference exceeded 0.25 seconds until 09:54UT. Appears to have fixed itself. (Jonny)
Yarragadee 12m:
Disk VSN: USN-0049
Operator failed to turn up for shift. Late start. Data volume at beginning: 0, add 300.5 GB for missed scans
22:54 UT: First scan with good data: 217-2248 (Jim)
23:36 UT: no weather data due to broken weather sensor. (Lucia)
23:51 UT: Wind stow. Lost scans 217-2351b through 218-0002. First good scan 218-0008. Wind sensor showed up to 500km/h. Consulting with Yg, apparently no wind in Yg. Wind sensor power cycled, now fine again. (Lucia)
R1751
Yarragadee
Module: USN-0017, start pos 0 GB
- 17:00UT - Experiment stater ok. (Ellen) Source=3C418 (Arwin)
- 00:00UT (approx). Stopped observations due to scheduled power outage at site. (Jim) Last scan was either 214-2350 or 214-2358. (Arwin)
- 10:45UT mk5yg had to be power cycled using the internet power switch after getting the following error “ALARM: error m5 -23 mk5cn: error opening, mark 5 probably not running, see above for error”
- 10:50UT ntpq server offsets were large, running a sync on fmset fixed the issue. Checked with on call person as well. (Arwin)
- 11:00UT Experiment started again following restoration of power to the site. First valid scan will be 11:06 UT, scan name 215-1106a, source = 1424-418. (Arwin)
- 11:05UT Data at start was 335.512, approx (914.8-335.512) Gb of data was missed. Setting the offset to +579.28 in log monitor. (Arwin)
- Had the following error every scan “WARNING: error wx -2 met: can not connect to server.”. I imagine this is due to the missing weather recording hardware? (Arwin)
- 14:09UT Autocorrelation spectra has some issues but checked with the on call person and decided no action was neccesary. Channel 5 was consistently as shown in the image below (Arwin)
R4750
Katherine
Disk VSN: USN-0140
Data volume at start: 0 Gb
- 18:30 UT Experiment started okay. (Liz)
Yarragadee
Disk VSN: USN-0093/4000/1024
Data volume at start: 0, bust started late. Offset should be +78.4 GB (Jim)
- Experiment started late due to other commitments. First scan was 210-1952a (Jim)
