GTAC Observation Log

1. Date : 21/03/2020
2. Observation Sr. No. : 11996
3. Observer : Poonam Chandra, Nayana AJ, Deepak Chandra Joshi, Roger Chevalier, Peter Brown, Claes Fransson
4. Observer\'s Email : poonam@ncra.tifr.res.in, nayan89deva@gmail.com, djoshi@ncra.tifr.res.in, rac5x@virginia.edu, grbpeter@yahoo.com, claes@astro.su.se
5. Project Name : Understanding young supernovae interacting with their progenitor winds with the aid of low frequency observations:  a ToO proposal
6. Project Code : 37_091
7. Operator(s) : Navnath, Rupsing
8. Command File : /odisk/gtac/cmd/poonam/21mar2020/21mar20_1700.cmd
9. LTA File : /gsbifrdata1/21mar/37_091_21mar2020.lta, /gwbifrdata1/21mar/37_091_21mar2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_091.FLAGS.14

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 1399 1399 1450 1450 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 Mar 2020 18:00:00 - 21 Mar 2020 20:30:00

35. ONLINE Machine : TGC

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  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 37_091
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  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
---------------------------------------------------------------------
18:00:00 : Started setup.
18:12:36 : Started scan on 3C48 for ~ 8.23201 min.
18:25:47 : Started scan on 0538-440 for ~ 4.83183 min.
18:31:41 : Started scan on SN20CWD for ~ 35.9703 min.
19:08:33 : Started scan on 0538-440 for ~ 4.83183 min.
19:14:27 : Started scan on SN20CWD for ~ 35.7914 min.
19:51:19 : Started scan on 0538-440 for ~ 4.65288 min.
20:01:06 : Started scan on 3C147 for ~ 11.8111 min.
20:22:00 : Observation session over