GTAC Observation Log

1. Date : 23/01/2021
2. Observation Sr. No. : 12829
3. Observer : Poonam Chandra, Ayan Biswas, Barnali Das
4. Observer\'s Email : poonam@ncra.tifr.res.in, ayan.scc2@gmail.com, barnali@ncra.tifr.res.in
5. Project Name : A survey of close magnetic massive binaries with the uGMRT
6. Project Code : 39_084
7. Operator(s) : Nilesh, Shilpa, Shriram
8. Command File : /data1/gtac/cmd/39_084/23jan/obs.py
9. LTA File : /gsbifrdata/23jan/39_084b_23jan2021_band4_gsb.lta, /gsbifrdata/23jan/39_084a_23jan2021_band5_gsb.lta, /gwbifrdata1/23jan/39_084a_23jan2021_band5_gwb.lta, /gwbifrdata2/23jan/39_084b_23jan2021_band4_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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 : Full_Stokes
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) : 1409 1409 1460 1460 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W04 : LMC problem.
W03 : very Low fringe.
C06 : Painting.
C13 : GAB time out.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Jan 2021 09:00:00 - 23 Jan 2021 13:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :28

37. RFI Status :

38. Comments (During Observations) :
09:00 : Started settings.

------------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  	: 39_084B
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 39_084A
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  	: OFF
GPU_PFB_TAPS  	: 16
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------

SUBAR 3 : Band4 : :  C00,C02,C04,C06,C09,C11,C13,E02,E04,E06,W02,W04,W06,S02,S04

SUBAR 4 : Band5 : : 
C01,C05,C08,C10,C12,C14,E03,E05,S01,S03,S06,W01,W03,W05


09:30 : Started power eq on 3C286 at 120 counts.
09:40 : W04 started working, After LMC restart.
09:58 : C13 Started working.
10:10 : W03 Started working, corrected pointing offsets manually.

10:12 : Started command file.
            /data1/gtac/cmd/39_084/23jan/obs.py

12:38 : Stopped command file.

12:48 : Started scan on 3C48 for ~ 5 min.
12:53 : Stopped scan and observation closed.