GTAC Observation Log

1. Date : 04/01/2020
2. Observation Sr. No. : 11762
3. Observer : Tanmoy Laskar, Kate D Alexander, Eliot Ayache, Edo Berger, Ryan Chornock, Deanne Coppejans, Hendrik vanEerten, Wen-fai Fong, Cristiano Guidorzi, Raffaella Margutti, Carole Mundell, Patricia Schady
4. Observer's Email : tanmoylaskar@gmail.com, kalexander@cfa.harvard.edu, e.h.r.ayache@bath.ac.uk, eberger@cfa.harvard.edu, chornock@ohio.edu, deanne.coppejans@gmail.com, h.j.van.eerten@bath.ac.uk, wfong@northwestern.edu, guidorzi@fe.infn.it, rafmargutti@gmail.com, c.g.mundell@bath.ac.uk, pschady@mpe.mpg.de
5. Project Name : Constraining the progenitors and environments of Gamma-ray Bursts with uGMRT
6. Project Code : 37_101
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/37_101/04jan20.cmd
9. LTA File : /gsbifrdata1/04jan/37_101_04jan2020_gsb.lta, /gwbifrdata1/04jan/37_101_04jan2020_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 :29

32. Name of Non-Working Antennas (with reason for each) :
C12 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 Jan 2020 02:00:00 - 04 Jan 2020 04:01:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :29

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  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 37_049
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: IA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
--------------------------------
01:44:09 : Started scan on 3C147 for ~ 7.91884 min.
01:59:57 : Started scan on B1012-44 for ~ 4.96605 min.
02:05:49 : Started scan on GRB191221B for ~ 40.3995 min.
02:47:03 : Started scan on B1012-44 for ~ 4.96605 min.
02:53:02 : Started scan on GRB191221B for ~ 40.6679 min.
03:34:55 : Started scan on B1012-44 for ~ 4.83183 min.
03:40:42 : Started scan on GRB191221B for ~ 14.4955 min.
03:55:59 : Started scan on B1012-44 for ~ 5.50292 min.
04:00 : Closed observation session.