GTAC Observation Log

1. Date : 29/04/2017
2. Observation Sr. No. : 9334
3. Observer : ARUN KUMAR NAIDU, Periasamy K. Manoharan, BHAL CHANDRA JOSHI, Manjari Bagchi, Gopakumar Achamveedu, Dhruv Pathak, Krishnakumar MA, Mayuresh Surnis, Yogesh Maan, Prakash Arumugasamy
4. Observer's Email : arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, pathakdhruv9786@gmail.com, kkma@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, prakash@ncra.tifr.res.in
5. Project Name : Extending timing baseline for the ORT-GMRT Indian Pulsar Timing Array (InPTA) experiment
6. Project Code : 32_092
7. Operator(s) : Nilesh, Pramod
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata/28apr/32_092_29apr2017.lta.1, /gsbifrdata/28apr/32_092_29apr2017.lta
10. LogFlag File : /odisk/online1/logflags/32_092.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1292 MHz ,RF2 : 1292 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 14+10 dB, 16 MHz,OFF, IF-CH2 : 14+10 dB, 16 MHz,OFF

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 : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : Voltage
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 1292 1292 1230 1230 62 62
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C04 : No Fringe @ 1280 MHz.
C08 : Servo problem.
C13 : No Fringe @ 1280 MHz.
W03 :  Servo problem.
W05 : Feed Jammed

33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Apr 2017 23:50:00 - 29 Apr 2017 08:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :25

37. Comments (During Observations) :
23:50 : Started settings.
00:00 : Started power eq on 1822-096.
00:15 : Started phasing on 1822-096.
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C05 C06 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17
# BEAM-1:175 :: C00 C01 C02 C03 C05 C06 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17
# BEAM-2:130 :: C00 C01 C02 C03 C05 C06 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17
# BEAM-2:175 :: C00 C01 C02 C03 C05 C06 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17

00:19:35 : Started scan on 1822-096 for ~ 1.61061 min.
00:21:35 : Started scan on 1822-096 for ~ 1.87905 min.
00:23:45 : Started scan on 1822-096 for ~ 4.83183 min.
00:31:23 : Started scan on J1600-3053 for ~ 40.2653 min.
01:14:13 : Started scan on 1822-096 for ~ 1.61061 min.
01:16:15 : Started scan on 1822-096 for ~ 1.34218 min.
01:19:07 : Started scan on J1643-1224 for ~ 51.808 min.
02:12:44 : Started scan on 1822-096 for ~ 1.61061 min.
02:14:43 : Started scan on 1822-096 for ~ 2.41592 min.
02:18:42 : Started scan on J1713+0747 for ~ 35.4334 min.
02:55:58 : Started scan on 1822-096 for ~ 1.34218 min.
02:57:33 : Started scan on 1822-096 for ~ 1.61061 min.
03:01:00 : Started scan on B1855+09 for ~ 35.165 min.
03:38:22 : Started scan on 1822-096 for ~ 2.41592 min.
03:41:06 : Started scan on 1822-096 for ~ 1.61061 min.
03:44:44 : Started scan on J1909-3744 for ~ 50.7343 min.
04:37:52 : Started scan on 1822-096 for ~ 1.61061 min.
04:39:56 : Started scan on 1822-096 for ~ 2.14748 min.
04:46:21 : Started scan on B1937+21 for ~ 15.3008 min.
05:06:44 : Started scan on 1822-096 for ~ 1.34218 min.
05:08:29 : Started scan on 1822-096 for ~ 1.61061 min.
05:10:41 : Started scan on 1822-096 for ~ 0.805306 min.
05:13:58 : Started scan on J2124-3358 for ~ 50.1974 min.
06:07:09 : Started scan on 1822-096 for ~ 1.34218 min.
06:08:49 : Started scan on 1822-096 for ~ 1.61061 min.
06:13:59 : Started scan on J2145-0750 for ~ 17.9852 min.
07:07:48 : Started scan on 1822-096 for ~ 1.07374 min.
07:09:09 : Started scan on 1822-096 for ~ 2.14748 min.
07:17:42 : Started scan on J2317+1439 for ~ 40.5337 min.
08:00:37 : Started scan on 3C48 for ~ 1.07374 min.
08:03:37 : Started scan on 3C48 for ~ 0.805306 min.
08:00 : Stopped scan and observation session is over.
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