GTAC Observation Log

1. Date : 22/09/2020
2. Observation Sr. No. : 12450
3. Observer : Tanmoy Laskar, Poonam Chandra, Kuntal Misra
4. Observer\'s Email : tanmoylaskar@gmail.com, poonam@ncra.tifr.res.in, kuntal@aries.res.in
5. Project Name : uGMRT monitoring of the nearby unusual GRB 190829A
6. Project Code : 38_076
7. Operator(s) : Navnath
8. Command File : /data1/gtac/cmd/38_076/obs_s4.py
9. LTA File : /gsbifrdata1/22sep/38_076_22sep2020_s3_gsb.lta, /gsbifrdata1/22sep/38_076_22sep2020_gsb_s4.lta, /gwbifrdata2/22sep/38_076_22sep2020_s4_gwb.lta, /gwbifrdata2/22sep/38_076_22sep2020_s3_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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W01 : No fringe. feed jam. 
W06 : Servo Time out
S04 : Servo +afl flag in AZ axis.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 22 Sep 2020 04:00:00 - 22 Sep 2020 07:05:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 38_076
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
04:00:00 : Started setup.
04:19:43 : Started scan on 3C48 for ~ 8.15372 min.
04:30:00 : Started cmd file.

           /data1/gtac/cmd/38_076/obs_s4.py

04:19:43 : Started scan on 3C48 for ~ 8.15372 min.
04:32:50 : Started scan on 0240-231 for ~ 5.13382 min.
04:41:24 : Started scan on grb190829 for ~ 36.2388 min.
05:20:34 : Started scan on 0240-231 for ~ 5.23449 min.
05:28:42 : Started scan on grb190829 for ~ 36.2388 min.
06:07:31 : Started scan on 0240-231 for ~ 5.13382 min.
06:15:36 : Started scan on grb190829 for ~ 31.0043 min.
06:49:38 : Started scan on 0240-231 for ~ 3.92586 min.
06:57:00 : Started scan on 3C48 for 5 min.
07:05:00 : Observation session over.