GTAC Observation Log

1. Date : 28/06/2021
2. Observation Sr. No. : 13244
3. Observer : Dongzi Li, Robert Wharton, Robert Main, Visweshwar Ram Marthi, Laura Spitler, Hsiu-Hsien Lin, Suryarao Bethapudi, Tasha Gautam, Ue Li Pen
4. Observer\'s Email : dongzili@caltech.edu, wharton@mpifr-bonn.mpg.de, ramain@mpifr-bonn.mpg.de, vrmarthi@ncra.tifr.res.in, lspitler@mpifr-bonn.mpg.de, hhlin@cita.utoronto.ca, ep14btech11008@iith.ac.in, tgautam@mpifr-bonn.mpg.de, pen@cita.utoronto.ca
5. Project Name : Multi-frequency study of the active Repeating FRB20201124A and associated persistent radio source
6. Project Code : ddtC176
7. Operator(s) : Manisha, Pramod, Rupsing
8. Command File : /data1/gtac/cmd/ddtc176/28Jun2021-ddtC176.py 
9. LTA File : /gwbifrdata/28jun/ddtc176_28jun2021_gwb_b3.lta.1, /gwbifrdata/28jun/ddtc176_28jun2021_gwb_b3.lta, /gwbifrdata1/28jun/ddtc176_28jun2021_gwb_b2.lta.1, /gwbifrdata1/28jun/ddtc176_28jun2021_gwb_b2.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C02 : Servo problem
S06 and W03 : Feed jammed
E05 : GAB problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Jun 2021 07:00:00 - 28 Jun 2021 10:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :25

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 16
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: 500  500
GPU_DDCLO3  	: 0.000000  0.000000
GPU_SB3  	: 1 1
GCODE3  	: DDT176B
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: DDT176A
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: IA
GPU_BEAM_4  	: VOLTAGE
GPU_BM_INT  	: 16
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W05 Total=13
# BEAM-1:175 :: C01 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W05 Total=13
# BEAM-2:130 :: C01 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W05 Total=13
# BEAM-2:175 :: C01 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W05 Total=13
# BEAM-3:130 :: C00 C04 C05 C06 C08 C10 E03 S02 S04 W02 W04 W06 Total=12
# BEAM-3:175 :: C00 C04 C05 C06 C08 C10 E03 S02 S04 W02 W04 W06 Total=12
# BEAM-4:130 :: C00 C04 C05 C06 C08 C10 E03 S02 S04 W02 W04 W06 Total=12
# BEAM-4:175 :: C00 C04 C05 C06 C08 C10 E03 S02 S04 W02 W04 W06 Total=12

06:45 : Started set up.
07:15 : Started command file.
07:19 : South arm electrical power failure.Hence restarted command file.
07:19 to 08:12 : Error in command file for voltage mode.Therefore Modify command file and restarted command file.
  /data1/gtac/cmd/ddtc176/28Jun2021-ddtC176.py 
10:00 : Stopped command file and observation session is over.