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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.
RadioAstron Track, gt05
Yarragadee 12m
Observer: Arwin
Summary
- 01:00:00 - 01:42:14 UT: 20V, no attenuation
- 01:42:14 - 02:10:51 UT: 14V, 56 dB attenuation
- 02:10:51 - 02:16:11 UT: 20V, 56 dB attenuation
- 02:16:11 - 02:20:00 UT: 12V, 56 dB attenuation
Power and attenuation levels in the DBBC
- RCP:
- LCP:
Log
- 0100UT Experiment started OK. Checked with the prc file which loaded
rfpic=cross,directwhenschedule=gt05yg,#1was entered. Recording for sband=direct(20v) from 0100 UT onwards. ifa power levels were very high, ifa was approx 39000 whilst ifb was around 29000. See Image 1 below - 0142UT Entered
rfpic=*,cross. Recording for Sband=cross from 12:42UT onwards. The power levels were under control for this setting, ifa settled around 24800 whilst ifb settled around 29000. See Image 2 below - 0149UT Noticed the proc file had a comment on the line indicating the switch state. The line read
“rpfic=cross,directand as such may not have loaded the correct setting and just imported the defaultrfpic=direct,direct? - 0150UT Manually entered
rfpic=cross,crossand started recording for the sband=cross (14V) again. Power levels were stable and near the target power levels (ifa and ifb). See Image 3 below - 0210UT Entered
rfpic=cross,directto record again for the s=direct 20v with the correct settings. - 0215UT Had asked the yg staff to lower the voltage to 12v at 0215UT. Entered
rfpic=cross,crossagain to observe at lower voltage because the peak was high in the spectrum analyser. Noticed a small drop followed by a big drop (Image:4) around 0218UT (not sure if this was related to the voltage setting or due to the spacecraft going out of view of the dish). The lower power level remained stable until 0220UT before the peak disappeared. - 0222UT Entered
rfpic=direct,directto return to the normal ivs mode. Cancelled theireadcommand output every 10 sec, fs terminated, tracking stopped, antenna stowed, UTC1-UTC time difference brought back to 0.
Image:1
Image:2
Image:3
Image:4
R4764
Hobart 12m Disk VSN:PKS+0021 Data Volume at beginning: 2841 GB
- 1830UT Experiment started okay (Liz)
- 1830UT Expected module USN-0131 from module pages not available, only noticed at change over. Used best available. (Liz)
- 0158 - 0219 Windstow (JMc)
- 0234 - 0323 Windstow (JMc)
- 0257 - Clock break. Circuit breaker tripped off. (JMc)
- 0304 - fmset run to resynch hobart dbbc/mark5b (JMc)
- 0313 - fmset run to resynch hobart dbbc/mark5b after correcting tickphase (JMc)
- 0341 - 0353 Windstow (JMc)
- 0409 - Windstow (JMc)
- 0925UT - Wind has died down but antenna will not unstow, antenna drives and system had to be reset. Missed scans 309-0408 through 309-0924a (Ross)
Katherine 12m Disk VSN:NRCAN-01 Data Volume at beginning: 0 GB
- 1830UT Experiment started okay (Liz)
Yarragadee 12m Disk VSN:OSOD-054 Data Volume at beginning: 0 GB
- 1830UT Experiment started okay (Liz)
HOB007
Hobart 26m Disk VSN:HOB+1011
Data Volume at beginning: 2580 GB
- 1800UT Experiment started OK (JS)
- 0754UT disc pos ~77 GB behind, lost 17 GB in last 2 hours (Ellen)
- 0948UT disc pos now ~100 GB behind, lost 20ish in last 2 hours (Ellen)
- 1151UT disc pos still 100 GB behind, hasn't lost any in last 2 hours (Ellen)
Hobart 12m
Disk VSN: PKS+0021
Data Volume at beginning: 0 GB
- 1800UT Experiment started OK (JS)
- 0044UT Antenna got stuck at low elevation. Scan 308-0043, source 1958-179 at 5 deg elevation. (Lucia)
AUA014
Hobart 12m
Disk VSN: GSFC+017
Data Volume at beginning: 2.179 GB
- 17:30 UT Experiment started OK (Tiege)
Katherine 12m
Disk VSN: GSFC+023
Data Volume at beginning: 54.026 GB
- 17:30 UT Experiment started OK (Tiege)
- 03:34/307 ignoring ERROR st -27 Computer ACU time difference exceeded 0.25 seconds, network issues? error went away 03:37. (Warren)
Yarragadee 12m
Disk VSN: HOB+0041
Data Volume at beginning: 1.282 GB
- 17:30 UT Experiment started OK (Tiege)
- 04:01 brief willi-willy storm activated wind stow. otherwise wind about 15 km/h today (Warren)
- missed scans 307-0403, 307-0406, 307-0408, 307-0416a (Warren)
- 04:10 wind stow released, next OK scan 307-0433b source 1148-001(Warren)
r1764
Fringe test done twice, no fringes on any channel in any baseline. Hobart 12m
Disk VSN: HOB+0129
Data Volume at beginning: 1.789 GB
- 1700UT Experiment started OK (JS)
- 0623UT Wind stow. Missed scans 306-0623 to 306-0629 inclusive (Bryn)
- 0638UT Wind stow, missed scans 306-0637 to 306-0644c inclusive (Bryn)
- 0706UT Wind stow, missed scans 306-0704b to 306-0710 inclusive (Bryn)
- 0831UT Wind stow, missed scans 306-0832 to 306-0841b inclusive (Bryn)
Katherine 12m
Disk VSN: USN-0032
Data Volume at beginning: 0 GB
- 1700UT Experiment started OK (JS)
- 2313UT Power went off at 2309UT, antenna stuck and rfpic issue, missed scans up to 305-2318 (Ross)
- 05:30UT Loss of network and power. Missed scans 0515a to 0529b inclusive. Clock jump due to fmset at 05:14:14 (Jim)
- Disk offset due to lost scans: 53 GB (Jim)
Yarragadee 12m
Disk VSN: BKG+0142
Data Volume at beginning: 0 GB
- 1700UT Experiment started OK (JS)
r4763
GENERAL ISSUES
Watchdog timeout alarm isn't sounding for hb. OR any of the other stations ke yg
No alarm for WARNING: error st -10 rampepochtime not -1 when preparing to load, check antenna is in “operate”.
No alarm for WARNING: error st -8 power on timed-out.
No met data onwards from 2015_10_20? Have to wait until data is up before yg logs can be done.
Hobart 12m
Disk VSN: HOB+0129
Data Volume at beginning: 0.3GB
- 18:30 UT Experiment started OK (Bryn)
Katherine 12m
Disk VSN: BKG-0036
Data Volume at beginning: 0.3GB
- 18:30 UT Experiment started OK (Bryn)
Yarragadee 12m
Disk VSN: BKG-0064
Data Volume at beginning: 0.3GB
- 17:40 UT Error st -8 power on timed-out when trying to turn on drives. Tried antenna=open and antenna=operate, drives still stuck. Resetting in HMI did nothing. (Bryn)
- 18:20 UT Drive error resolved - someone (a mob of kangaroos were seen near the pedestal switch) had activated the emergency stop button on the telescope - required manual disengage on site. (Bryn)
- 18:30 UT Experiment started OK (Bryn)
