GTAC Observation Log

1. Date : 02/11/2020
2. Observation Sr. No. : 12533
3. Observer : Yulan Liu, Joris PW Verbiest, Krishnakumar MA, George Hobbs, Abhimanyu Susobhanan, BHAL CHANDRA JOSHI, Shi Dai, Ziwei Wu
4. Observer\'s Email : yliu@physik.uni-bielefeld.de, verbiest@physik.uni-bielefeld.de, kk.ambalappat@gmail.com, george.hobbs@csiro.au, s.abhimanyu@tifr.res.in, bcj@ncra.tifr.res.in, shi.dai@csiro.au, zwu@physik.uni-bielefeld.de
5. Project Name : Probing the Ionised Interstellar Medium with Pulsars
6. Project Code : 38_026
7. Operator(s) : Manisha, Navnath, Sachin
8. Command File : /odisk/gtac/cmd/38_026/obs.cmd
9. LTA File : /gsbifrdata/02nov/38_026b_02nov2020_tgc_gsb.lta, /gsbifrdata/02nov/38_026a_02nov2020_tgc_gsb.lta, /gwbifrdata/02nov/38_026b_02nov2020_tgc_gwb.lta, /gwbifrdata/02nov/38_026a_02nov2020_tgc_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C02 : LMC not pinging.
W03 : Feed jam.
E05 : ABC time out. LMC ok.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 02 Nov 2020 12:00:00 - 02 Nov 2020 20:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :
suba1 : band4  Pa beam.
suba2 : band3  voltage 

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: Total=0
# BEAM-1:175 :: Total=0
# BEAM-2:130 :: C01 C06 C08 C09 C11 C12 C14 Total=7
# BEAM-2:175 :: C01 C06 C08 C09 C11 C12 C14 Total=7
# BEAM-3:130 :: C00 C04 C05 C10 C13 E02 E03 S01 S02 W01 W02 Total=11
# BEAM-3:175 :: C00 C04 C05 C10 C13 E02 E03 S01 S02 W01 W02 Total=11

10:00:00 : Started setup.
11:19:09 : Started scan on 3C286 for ~ 4.29496 min.
11:29:05 : Started scan on 3C286 for ~ 17.3588 min.
11:30:00 : Power eq and phasing on 3C286.

  gpuuser@gwbh9:/data7/gpuuser/SUBA4_data7_02nov2020:
   gpuuser@gwbh8 :/data3/gpuuser/SUBA4_data3_02nov2020:

11:47:05 : Started scan on 3C286 for ~ 5.27923 min.
11:54:13 : Started scan on 3C286 for ~ 7.06879 min.
12:16:20 : Started scan on 3C286 for ~ 1.78957 min.
12:19:39 : Started scan on 3C286 for ~ 2.68435 min.
12:22:54 : Started scan on 3C286 for ~ 2.058 min.
12:27:52 : Started scan on 3C286 for ~ 1.87905 min.
12:33:40 : Started scan on 3C286 for ~ 1.87905 min.
12:57:01 : Started scan on 3C286 for ~ 1.87905 min.
13:02:49 : Started scan on 3C286 for ~ 1.78957 min.
13:15:00 : E02 tracking problem.  Restarted BATCH.

data recording directory change to : 
[gpuuser@gwbh9 ~]$ /data3/gpuuser/SUBA4_data3_02nov2020:
[gpuuser@gwbh8 ~]$ /data7/gpuuser/SUBA4_data7_02nov2020

13:20:00 : Started cmd file


     /data1/gtac/cmd/38_026/02nov20/38_026_02nov20_1.py

13:24:30 : Started scan on 1625-311 for ~ 2.68435 min.
13:28:06 : Started scan on 1625-311 for ~ 1.16322 min.
13:33:38 : Started scan on J1600-5044 for ~ 53.2396 min.
14:35:39 : Started scan on 1625-311 for ~ 2.68435 min.
14:39:15 : Started scan on 1625-311 for ~ 1.16322 min.
14:44:58 : Started scan on J1610-5006 for ~ 50.9132 min.
15:39:53 : Started scan on 1625-311 for ~ 2.68435 min.
15:43:28 : Started scan on 1625-311 for ~ 1.16322 min.

15:40 to 16:10 : PA data was not recording.

16:11:16 : Started scan on 1625-311 for ~ 2.68435 min.
16:14:50 : Started scan on 1625-311 for ~ 1.2527 min.
16:20:35 : Started scan on J1640-4715 for ~ 25.5908 min.


16:45 : Recorded voltage data on J1640-4715 only 


16:50:36 : Started scan on 1625-311 for ~ 2.68435 min.
16:54:12 : Started scan on 1625-311 for ~ 1.16322 min.
17:06:12 : Started scan on 1822-096 for ~ 2.77383 min.
17:09:46 : Started scan on 1822-096 for ~ 1.16322 min.

17:14 : Started PA and voltage data on J1701-3726.


17:15:44 : Started scan on J1701-3726 for ~ 50.9132 min.
18:11:01 : Started scan on 1822-096 for ~ 2.68435 min.
18:14:38 : Started scan on 1822-096 for ~ 1.16322 min.
18:19:53 : Started scan on J1836-1008 for ~ 50.9132 min.
19:15:06 : Started scan on 1822-096 for ~ 2.68435 min.
19:18:42 : Started scan on 1822-096 for ~ 1.16322 min.
19:24:00 : Started scan on J1840-0809 for ~ 33.0175 min.
20:06:14 : Started scan on 3C48 for ~ 2.77383 min.
20:09:49 : Started scan on 3C48 for ~ 1.07374 min.
20:11:47 : Started scan on 3C48 for ~ 1.87905 min.
20:17:43 : Started scan on 3C48OFF for ~ 1.87905 min.


Not taken 2 sources because they were set.

Also pulsar chain restarted many times but PA mode gave problem.