GTAC Observation Log

1. Date : 30/09/2022
2. Observation Sr. No. : 14652
3. Observer : Devojyoti Kansabanik, Divya Oberoi, Soham Dey
4. Observer\'s Email : dkansabanik@ncra.tifr.res.in, div@ncra.tifr.res.in, sdey@ncra.tifr.res.in
5. Project Name : Polarization observation of the Sun using uGMRT and MWA
6. Project Code : 42_028
7. Operator(s) : Deepak, Pramod, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gwbifrdata1/30sep/42_028_30sep2022_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 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 : 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) : 156 156 218 218 62 62
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :19

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C02 : RF not set.
C04 : RF not set.
S04 : Servo problem.
E05 : RF not set.
W01 : RF not set.
W02 : RF not set.
W03 : RF not set.
W04 : RF not set.
C14 : RF not set.
C11 : RF not set.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Sep 2022 10:00:00 - 30 Sep 2022 11:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :19

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 2
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 1024
GPU_CHAN_NUM  	: 0:1023:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 42_028
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: OFF
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_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------

# GWB GAC configuration is as follows : 

# BEAM-2:130 :: C00 C01 C05 C06 C08 C09 C10 C12 C13 E02 E03 E04 E06 S01 S02 S03 S06 W05 W06 Total=19
# BEAM-2:175 :: C00 C01 C05 C06 C08 C09 C10 C12 C13 E02 E03 E04 E06 S01 S02 S03 S06 W05 W06 Total=19
# BEAM-3:130 :: C00 C01 C05 C06 C08 C09 C10 C12 C13 E02 E03 E04 S01 S02 S03 Total=15
# BEAM-3:175 :: C00 C01 C05 C06 C08 C09 C10 C12 C13 E02 E03 E04 S01 S02 S03 Total=15
09:40:19 : Started set-up.
09:51:33 : Started scan on 3C147 for ~ 5.39107 min.
09:58:12 : Started scan on 3C147 for ~ 2.19222 min.
10:00:51 : Started scan on 3C147 for ~ 2.16985 min.
10:03:18 : Started scan on 3C147 for ~ 5.27923 min.
10:17:19 : Started scan on SUN1015 for ~ 1.92379 min.
10:24:18 : Started scan on J0742 for ~ 4.47392 min.
10:35:22 : Started scan on SUN1030 for ~ 15.2561 min.
10:51:58 : Started scan on SUN1045 for ~ 15.3008 min.
11:08:36 : Started scan on SUN1100 for ~ 15.2784 min.
11:19:19 : Stopped scan and observing session over.
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