GTAC Observation Log

1. Date : 25/04/2017
2. Observation Sr. No. : 9322
3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu
4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com
5. Project Name : Towards precision pulsar timing with the upgraded GMRT
6. Project Code : 32_032
7. Operator(s) : Deepak, Sachin
8. Command File : /odisk/gtac/cmd/32_032/obs.cmd
9. LTA File : /gsbifrdata/25apr/32_032_25apr17_suba4.lta, /gsbifrdata/25apr/32_032B_25apr17_suba2.lta, /gwbifrdata/25apr/32_032_1460_25apr2017_gwb.lta, /gwbifrdata1/25apr/32_032_500_25apr2017_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_032B.FLAGS, /odisk/online1/logflags/32_032.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
E03 : Servo problem.
W03 : Servo problem.
S01 : Maintenance.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 Apr 2017 18:00:00 - 25 Apr 2017 22:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C02 C05 C08 C11 E02 W01 Total=7
# BEAM-1:175 :: C00 C02 C05 C08 C11 E02 W01 Total=7
# BEAM-2:130 :: C01 C03 C04 C06 C09 C10 C12 C13 C14 E04 E05 S02 S04 W02 W05 Total=15
# BEAM-2:175 :: C01 C03 C04 C06 C09 C10 C12 C13 C14 E04 E05 S02 S04 W02 W05 Total=15

18:15:51 : Started scan on 3C147 for ~ 0.805306 min.
18:32:58 : Started scan on 3C147 for ~ 2.68435 min.
18:35:54 : Started scan on 3C147 for ~ 0.805306 min.
18:41:39 : Started scan on 0432+416 for ~ 1.07374 min.
18:42:53 : Started scan on 0432+416 for ~ 0.53687 min.
18:45:05 : Started scan on J0645+5158 for ~ 28.1857 min.
19:19:24 : Started scan on 0744-064 for ~ 0.939523 min.
19:20:39 : Started scan on 0744-064 for ~ 0.671088 min.

19:20 : W04 removed from GAC.

19:22:54 : Started scan on J0613-0200 for ~ 20.1326 min.
19:47:11 : Started scan on 0744-064 for ~ 0.939523 min.
19:48:29 : Started scan on 0744-064 for ~ 0.671088 min.
19:51:18 : Started scan on J0751+1807 for ~ 20.1326 min.
20:14:33 : Started scan on 0834+555 for ~ 0.939523 min.
20:15:47 : Started scan on 0834+555 for ~ 0.53687 min.
20:17:58 : Started scan on J1012+5307 for ~ 20.1326 min.
20:45:53 : Started scan on 1130-148 for ~ 0.939523 min.
20:47:09 : Started scan on 1130-148 for ~ 0.671088 min.
20:49:54 : Started scan on J1022+1001 for ~ 20.1326 min.
21:12:35 : Started scan on 1130-148 for ~ 1.07374 min.
21:13:56 : Started scan on 1130-148 for ~ 0.671088 min.
21:16:20 : Started scan on J1024-0719 for ~ 19.9984 min.
21:45 : Stopped command file and closed observation session.