GTAC Observation Log

1. Date : 09/12/2022
2. Observation Sr. No. : 14865
3. Observer : Yuheng Zhang, Xianzhong Zheng, Chandreyee Sengupta, Qinghua Tan, Fangxia An, Dongdong Shi
4. Observer\'s Email : yhzhang@pmo.ac.cn, xzzheng@pmo.ac.cn, sengupta.chandreyee@gmail.com, qhtan@pmo.ac.cn, fangxiaan@gmail.com, ddshi@pmo.ac.cn
5. Project Name : The deep radio continuum identification of SFGs and AGNs in two protoclusters at z=2.24
6. Project Code : 43_031
7. Operator(s) : Deepak, Sachin, Shilpa, Shriram, Surender
8. Command File : /data1/gtac/cmd/43_031/43_031_09Dec2022_0800_cmd.py
9. LTA File : /gsbifrdata/09dec/43_031_09dec2022_gsb.lta, /gwbifrdata2/09dec/43_031_09dec2022_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 : 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) : 1409 1409 1460 1460 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W01 : Feed jammed.
W04 : Bad bandshape at ch-2(175-pol)
33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Dec 2022 07:40:00 - 09 Dec 2022 17:00:00

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  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 43_031
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
--------------------------------
07:40 : Started settings.
08:02 : Started command file,
        \'/data1/gtac/cmd/43_031/43_031_09Dec2022_0800_cmd.py\'
09:00 : W04 started working.
09:47 : MSEDCL power failure at all antennas. All antennas shifted to DGset power except S03 and W03.
09:54 : MSEDCL power recovered.
09:58 : Antennas not tracking correctly. scan 5 is bad. C09 applied brakes.
10:00 : S03 taken for painting.
10:05 : C09 started tracking.
10:47 : W01 released for observation.
12:30 : C06 applied azimuth brakes.
13:20 : C06 released brakes and tracking source correctly.
17:00 : Stopped command file and observing session over.
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