GTAC Observation Log

1. Date : 22/11/2021
2. Observation Sr. No. : 13678
3. Observer : Marisa Brienza, Kamlesh Rajpurohit, Annalisa Bonafede, franco vazza
4. Observer\'s Email : m.brienza@ira.inaf.it, kamlesh.rajpurohit@unibo.it, a.bonafede@ira.inaf.it, franco.vazza2@unibo.it
5. Project Name : Long filamentary emission associated with the radio galaxy IC1602
6. Project Code : 41_033
7. Operator(s) : Navnath, Sachin, Shriram
8. Command File : data1/gtac/cmd/41_033/41_033_21Nov2021_1600_cmd.py
9. LTA File : /gsbifrdata1/21nov/41_033_21nov2021_gsb.lta.1, /gsbifrdata1/21nov/41_033_21nov2021_gsb.lta, /gwbifrdata1/21nov/41_033_21nov2021_gwb.lta, /gwbifrdata2/21nov/41_033_21nov2021_5sec_gwb.lta.1, /gwbifrdata2/21nov/41_033_21nov2021_5sec_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 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) : 156 156 218 218 62 62
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 Nov 2021 16:00:00 - 22 Nov 2021 02:15:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :Broadband RFI observed  throughout the observation.

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
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  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
16:00 : Started settings.
16:25 : Power equalized on 1830-360.(flux cal and source below horizon)
16:13 : Started scan on 1830-360 for ~ 24.7408 min.
16:46 : Started scan on 3C48 for ~ 10.29 min.
17:18 : Observed that record is running at lower integration. Therefore, stopped and restarted command file.
17:20 : Started command file,
       \'data1/gtac/cmd/41_033/41_033_21Nov2021_1600_cmd.py\'
--------------------------------------------------------------------------
19:30 : Acquisition got killed due to higher weight, restarted correlator.
--------------------------------------------------------------------------
19:45 : Restarted command file,
       \'data1/gtac/cmd/41_033/41_033_21Nov2021_1600_cmd.py\'

02:03:01 : Started scan on 3C147 for ~ 10.29 min.
02:15:00 : Observation session over.