GTAC Observation Log

1. Date : 20/04/2024
2. Observation Sr. No. : 16610
3. Observer : Pavan Vijay Khadekar, Dharam Vir Lal, Ramana Athreya
4. Observer\'s Email : khadekar.pavan@students.iiserpune.ac.in, dharam@ncra.tifr.res.in, rathreya@iiserpune.ac.in
5. Project Name : Hybrid morphology radio sources and the role of cluster environment
6. Project Code : 46_098
7. Operator(s) : Deepak, Nilesh, Shilpa, Surender
8. Command File : /data1/gtac/cmd/46_098/46_098_20Apr2024_1300_cmd.py
9. LTA File : /gsbifrdata1/20apr/46_098_20apr2024_b3_gsb.lta, /gwbifrdata/20apr/46_098_20apr2024_b3_gwb.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 : Full_Stokes
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 306 306 255 255 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Taken for Painting.
C09 : RF Problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Apr 2024 13:00:00 - 20 Apr 2024 18:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 1
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_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 46_098
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
---------------------------------------
13:00:19 : Started set-up.
13:20:44 : Started cmd file.
           /data1/gtac/cmd/46_098/46_098_20Apr2024_1300_cmd.py


15:00 : E03 intermittent servo problems.
18:00 : Flux cal 3C48 set below horizon, so took 3C147 instead.
18:16 : Stopped command file and observation over.