GTAC Observation Log

1. Date : 23/11/2021
2. Observation Sr. No. : 13681
3. Observer : Ayan Biswas, Poonam Chandra, Coralie Neiner
4. Observer\'s Email : ayan.scc2@gmail.com, poonam@ncra.tifr.res.in, coralie.neiner@obspm.fr
5. Project Name : Survey of Close Magnetic Massive Binaries with the uGMRT
6. Project Code : 41_010
7. Operator(s) : Navnath
8. Command File : /data1/gtac/cmd/41_010/obs.py
9. LTA File : /gwbifrdata1/23nov/41_010_23nov21_suba4_band5_gwb.lta, /gwbifrdata2/23nov/41_010_23nov21_suba3_band4_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/TGC
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 : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W06 : : Frequently applying brakes on AZ axis.
C10 : Not releasing brakes in AZ axis.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Nov 2021 00:00:00 - 23 Nov 2021 06:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: 550 550
GPU_DDCLO3  	: 0.000000  0.000000
GPU_SB3  	: 1 1
GCODE3  	: 41_010B
GPU_RF4  	: 1460 1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 41_010A
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
00:00: Started setup.
00:05: Sub array splitting done into suba4(b5) and suba3(b4).
00:10: Started feed rotation and Antenna settings.
00:20: Started power eq for both sub array.
00:30: Started cmd file.

        /data1/gtac/cmd/41_010/obs.py

00:36:41 : Started scan on 3C147 for ~ 10.2005 min.
00:51:59 : Started scan on 0735-175 for ~ 5.18975 min.
00:58:58 : Started scan on HD54879 for ~ 30.2437 min.
01:30:46 : Started scan on 0735-175 for ~ 5.27923 min.
01:37:32 : Started scan on HD54879 for ~ 30.2437 min.
02:09:38 : Started scan on 0735-175 for ~ 5.27923 min.
02:16:21 : Started scan on HD54879 for ~ 30.1542 min.
02:48:24 : Started scan on 0735-175 for ~ 5.72662 min.
02:55:36 : Started scan on HD54879 for ~ 30.1542 min.
03:27:52 : Started scan on 0735-175 for ~ 5.27923 min.
03:35:29 : Started scan on HD54879 for ~ 30.5121 min.
04:07:27 : Started scan on 0735-175 for ~ 5.18975 min.
04:14:05 : Started scan on HD54879 for ~ 30.3332 min.
04:45:54 : Started scan on 0735-175 for ~ 5.18975 min.
04:53:03 : Started scan on HD54879 for ~ 30.2437 min.
05:24:44 : Started scan on 0735-175 for ~ 5.18975 min.
05:31:25 : Started scan on HD54879 for ~ 17.8957 min.
05:51:01 : Started scan on 0735-175 for ~ 5.10027 min.
06:10:07 : Started scan on 3C147 for ~10