SMA - Sub-Millimeter Array, ASIAA

Weekly Summary of SMA Operations Log

[2012.Sep.10]
1. Move antenna 4 into hanger. Link
2. baseline solution updated on Sep 4. Link

[2012.Sep.3]
1. El Drive of Antenna 6 Repaired and moved to pad 11.
2. baseline solution updated on Aug 28. Another baseline observation will made for antenna 6. Link
3. A test for Wideband Rx Sideband Relative Sensitivity.
    On 226 GHz tuning, there is very little difference in sensitivity between the two sidebands. Link

[2012.Aug.27]
1. Although antenna 6 still in hanger, new receiver was installed in antenna 6. Link
2. Realtime network give us a reduction of the number of mysterious,
    spontaneous reboots of the antenna computers (accs). Link
3. Taco updated the baseline solution on Aug 22 (for Extended Configuration ). Link

[2012.Aug.20]
1. Move 4 antennas and the array now at extended configuration.
    antenna #1 from pad 6 to pad 17 , antenna #3 from pad 5 to pad 12,
    antenna #7 from pad 4 to pad 15 , antenna #8 from pad 3 to pad 16.
2. Installation of Wideband IF Hardware on antenna 2 Link
3. Taco fixed error about the source name from non-project antennas. Link

[2012.Aug.13]
There are no big issue of SMA observation log this week.

[2012.Aug.6]
1. CSO tau is reporting to monitor.1. CSO tau is reporting to monitor. Link

[2012.July.30]
There are no big issue of SMA observation log this week.

[2012.July.23]
1. Obscon migration Link
2. Swapped out antenna 3's RxB block 4 C2DC with antenna 6's RxA block 3. Link

[2012.July.16]
1. Move antenna 1, and 8. Array reconfiguration to subcompact now. Link1, Link2, Link3
2. Updated baselines resolution for subcompact configuration on June 12 and 15. Link, Link

[2012.July.9]
There are no big issue of SMA observation log this week.

[2012.July.2]
1. Network Migration. Summit private real time network that would not be accessible from outside the SMA network. Link1, Link2, Link3
2.Could not access to the private real-time network from the outside Link
3.Antenna 4 el drive stopped. Link

[2012.June.25]
1. The wideband 200-F insert has been installed in antenna 4 (removed from antenna 6).Link

[2012.June.18]
1. New Fault (Time lost) Category: Server Computer Dead.Link
2. Scan length in ipoint reduced. Link
3. Boot problems on acc1.Link
4. Holography system test. Link

[2012.June.11]
1. baseline resolution updated on Jun 08 Link
2. New version of tune6. Link
3. dataCatcher is now running on HCN by default, rather than m5 Link

[2012.June.4]
There are no big issue of SMA observation log this week.

[2012.May.28]
1. baseline resolution updated on May 23 Link
2. Software change. "restartCorrelator" command now has two new options. Link
3. MIR idl2miriad output from non-linux machines. Link
4. No more sleeping on the job. NO sleeps inserted after every "observe" command. Link
5. 2011B-S040 (P.I. Ho, P.T.P.)was observed on May 20.
6. 2011B-A016 (P.I. Rao, R.) has observed on May 23, May 25and May 26.

[2012.May.21]
1. Command "observe" has a new option, "-n {name}" Link
2. Books updated the mixer table on Antenna 3. Link

[2012.May.14]
1. Poor Upper IF Performance on Antenna 1. Link
2. Wideband Upgrades on antenna 3. Link
3. 2011B-A019 was observed on May 7.

[2012.May.7]
1. Moved antenna 6 to pad 7, and moved antenna 1 to hunger on May 3. Link
2. Ant 6 Elevation drive mechanical problem shows after back to array. Link
3. Moved antenna 1 to pad 7, and moved antenna 6 back to hanger on May 4 : ( Link
4. Baseline update on Apr 27. Link
5. 2011B-A016 was observed on Apr 30.

[2012.Apr.30]
1. The array moved into compact configuration.
Antenna 1 from pad 17 to 7
Antenna 2 from pad 18 to 1
Antenna 4 from pad 20 to 9
Antenna 5 from pad 20 to 23
Antenna 7 from pad 16 to 4
2. Changes to the SMA data file format Link

[2012.Apr.23]
1. Taco made new baseline solution for VEX from baseline trace on Apr 16. Link

[2012.Apr.16]
1. MIR announcement Link
2. Optical Guide Scope 1 Back Online Link
3.2011B-A017 and 2011B-A010 were observed on Apr 11, and 13.

[2012.Apr.9]
1. Updated baselines resolution for very-extended configuration on Apr 5. Link
2. 2011B-A022, 2011B-A017 and 2011B-A026 were observed.
3. 2011B-A010 was observed on Apr 3, 4 , 6 and 7.

[2012.Apr.2]
1. Move antenna #2 from pad 9 to pad 18, #3 from pad 14 to pad 19, and #5 from pad 1 to pad 20.
Now the array is at very extended configuration. Link-1, Link-2, Link-3
2. Taco reduced data from baseline track, but got pool result. There will have another one at Sunday night. Link
3. Taco added information about diameter of planet in the orrary. Link
4. 2011B-A007 was observed on Mar 28.
5. 2011B-A017 were observe on Mar. 26, 27, 29 and 31.

[2012.March.26]
1. 345 Waveplates installed in all antennas.Link

[2012.March.19]
1. Antenna 1 Online Link
2.Baseline solution update. Link
3. corrupt database; some history lost Link

[2012.March.12]
1. The block 4 slice in antenna 7's LF C2DC was bad. Replace it with another slice from antenna 6. Link
2. A baseline solution was update at Mar 6, after ant5 had been moved to pad 1 (reference) and ant8 had been picked up. Link
3. 2011A-A027 and 2011B-A022 were observed.

[2012.March.5]
1. Antenna 6 was moved from pad 1 to hangar, and antenna 5 was moved from pad 15 to pad 1. Link Link
2. Antenna 8 move aborted, because of transporter problem. Link
3. 230 Polarization Waveplates Installed Link
4. 2011B-A025 and 2011B-A022 were observed. 2011A-A027was observed at Feb 28 and Mar 3

[2012.Feb.25]
Because weather was pool, there is not big issue in the SMA operations log this week.
According to the plan, array will move in to compact in next week.

[2012.Feb.20]
1. Antennas 1 and 6 have EL drive issues and may need an emergency hangar repair. Link
2. Mark made a note about " Relative Sensitivities of Our 345 and 400 Receivers". Link
3. 2011A-A021 and 2010B-A031 were observed.

[2012.Feb.13]
1. Sensitivities Test of Our 345 and 400 Receivers Link Link
2. Taco made a node about acc reboot problem Link
3. Baseline updated on Feb 09 Link
4. New option for the baseline command Link
5. 2011A-A009 and 2011B-A008 were observed.

[2012.Feb.06]
1. Antenna 4 moved out of the hangar to pad 11. Link
2.ACC remote reset function restored on all antennas. Link
3.Mixer Board Software Re-Updated. Link
4.2010B-A031 and 2011B-A008 were observed.

[2012.Jan.30]
1. Antenna 2 now moved to pad 9, Antenna 4 moved to hanger Link
2. There are a meeting and Wiki page about acc reboot issue and antenna computer reboot procedures. Link Link Wiki
3. Three baseline tracks were completed on Jan 23,24,27. The result of the newly one was good. Link Link Link

[2012.Jan.23]
1. The array has moved to the extended configuration. Antenna 2 is still in hangar. Link
2. Taco wrote a note about Phase jumps on the 400 GHz receivers. Link
3. Baseline track was complete, result was bad, value did NOT implemented. There will another baseline track on the weekend. Link
4.As test; the ACC remote reset function has been disabled on antenna 1,4,6 and 8. Link Link
5.OPTEL 1 Repaired and Installed . Link
6. 2011B-A017 and 2010B-A030 were observed.

[2012.Jan.16]
1. Antenna 1 Receiver Adjustments Link
2. Phase Monitor now work on all baseline. Link
3. Antenna 3 grid detent and table tweaked Link
4. Taco made a node about when antennas share a pad ID Link
5. Taco have derived new baseline solutions from the two baseline tracks taken on Jan 8. Link
6. 2011B-A001 , 2011B-A009 and 2011B-A003 were observed.

[2012.Jan.9]
1. The array has moved to the sub-compact configuration. Antenna 2 is now in hangar. Link Link
2. Shelbi update the corrections for antennas 3,5,7,8 after a baseline observation. Link
3. Taco installed a new version of dopplerTrack and setLO Link
4. The 2011 Losty Awards Link
5.2011B-A018 was observed on Jan 07,08.

[2012.Jan.2]
1. ANTENNA MOVES(Compact to SubCompact) postponed to this week because windy at last week. 2. Taco wrote an note about restart dDSServer program. Link
3.2011B-A003 was observed.