GTAC Observation Log

1. Date : 15/01/2023
2. Observation Sr. No. : 15011
3. Observer : Alastair Edge, Ruta Kale, Brian Robert McNamara, Tom Rose, Helen Russell, Raymond Oonk, Marcus Halson, Massimo Gaspari
4. Observer\'s Email : alastair.edge@durham.ac.uk, ruta@ncra.tifr.res.in, mcnamara@uwaterloo.ca, tom.rose06@gmail.com, helen.russell@nottingham.ac.uk, oonk@strw.leidenuniv.nl, mdhalson@gmail.com, massimo.gaspari@inaf.it
5. Project Name : Constraining the cold accretion onto the most massive Black Holes
6. Project Code : 43_050
7. Operator(s) : Nilesh, Rupsing, Shilpa
8. Command File : /data1/gtac/cmd/43_050/43_050_14Jan2023_2100_cmd.py
9. LTA File : /gsbifrdata/14jan/43_050_14jan2023_gsb.lta, /gwbifrdata2/14jan/43_050_14jan2023_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1003.3333 MHz ,RF2 : 1003.3333 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 950 MHz, ILO2 : 950MHz , IVLO1 : 53.3333 MHz, IVLO2 : 53.3333 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  : 146.6667
28. LO5 -2  : 158.3333

29. Frequency Parameters (TPA) : 1003.3333 1003.3333 950 950 53.3333 53.3333
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :30

32. Name of Non-Working Antennas (with reason for each) :
C02 : RFI at CH1-GSB.
W04 : : RFI at GSB.

33. Note for Backup :## SCINTILLATION OBSERVED FOR 3C48 at 21:23 HRS.
## SCINTILLATION OBSERVED FOR 0423-013 at 21:39 HRS.
## SCINTILLATION OBSERVED FOR  3C147 for ~ 22:22 HRS.
## SCINTILLATION OBSERVED FOR  0837-198 for ~ 22:43 HRS.

34. Start and End Time of Obs.(IST): 14 Jan 2023 12:00:00 - 15 Jan 2023 01:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :30

37. RFI Status :

38. Comments (During Observations) :
21:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 25
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 1032.5  1032.5
GPU_DDCLO4  	: 67.500000  67.500000
GPU_SB4  	: -1 -1
GCODE4  	: 43_050
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  	: 8 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
--------------------------------

Backend : GSB ; PROJECT : 43_050 ; TPA : 1003.3333 1003.3333 950 950 53.3333 53.3333
Backend : GWB ; PROJECT : 43_050 ; TPA : 1032.5 1032.5 -1100.0 -1100.0 67.5 67.5

21:19 : Started command file.
            /data1/gtac/cmd/43_050/43_050_14Jan2023_2100_cmd.py

## SCINTILLATION OBSERVED FOR 3C48 at 21:23 HRS.
## SCINTILLATION OBSERVED FOR 0423-013 at 21:39 HRS.

21:45 : Continued observation with phase-cal and Target loop.

## SCINTILLATION OBSERVED FOR  3C147 for ~ 22:22 HRS.
## SCINTILLATION OBSERVED FOR  0837-198 for ~ 22:43 HRS.

22:50 : Continued observation with phase-cal and Target loop.
22:53 : C12 Polarized RFI at CH-2
----------------------------------------------------------------
23:35 : No scintillation observed for 0423-013
----------------------------------------------------------------
01:00 : Stopped command file and observation closed.