GTAC Observation Log

1. Date : 04/08/2020
2. Observation Sr. No. : 12265
3. Observer : Nissim Kanekar, Jason X Prochaska, Jean-Pierre Macquart
4. Observer\'s Email : nkanekar@ncra.tifr.res.in, xavier@ucolick.org, J.Macquart@curtin.edu.au
5. Project Name : HI 21cm emission from the host galaxy of FRB 180916
6. Project Code : 38_081
7. Operator(s) : Navnath
8. Command File : /odisk/gtac/cmd/nissim/frb.cmd, /odisk/gtac/cmd/nissim/frb_tmp.cmd
9. LTA File : /gsbifrdata1/04aug/38_081_04aug2020_gsb.lta, /gwbifrdata2/04aug/38_081_04aug2020_gwb.lta.1, /gwbifrdata2/04aug/38_081_04aug2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_081.FLAGS.3, /odisk/online1/logflags/38_045.FLAGS.18

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1367.85 MHz ,RF2 : 1367.85 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1305 MHz, ILO2 : 1305MHz , IVLO1 : 62.85 MHz, IVLO2 : 62.85 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
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 : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 137.15
28. LO5 -2  : 167.85

29. Frequency Parameters (TPA) : 1367.85 1367.85 1305 1305 62.85 62.85
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work
C12 : : Not releasing brakes.
C14 : : MCM 14 Time out.
W04 : : Servo Timeout
W05 : : Feed jam.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 Aug 2020 02:00:00 - 04 Aug 2020 07:18:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :

##GAC 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=21
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=21
# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=21
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=21

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1330  1330
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 38_081
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: Voltage
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
02:10:00 : Started setup.
02:25:00 : Started cmd  file
       /odisk/gtac/cmd/nissim/frb.cmd

02:30:21 : Started scan on 3C48 for ~ 7.15828 min.
02:39:33 : Started scan on J0157+7442 for ~ 1.07374 min.
02:40:54 : Started scan on J0157+7442 for ~ 5.01079 min.
02:49:14 : Started scan on FRB180916 for ~ 45.813 min.
03:36:12 : Started scan on J0157+7442 for ~ 3.7581 min.

03:40:00 : cmd file stopped due to wrong set-up.

         : beam integration was wrong(8).

         : correction done to required 4 

         : Restarted GWB and phasing done.

---------------------------------------------------------
03:45:12 : Started scan on J0157+7442 for ~ 2.32644 min.
03:47:59 : Started scan on J0157+7442 for ~ 0.894785 min.
03:50:00 : Restarted cmd file
           /odisk/gtac/cmd/nissim/frb_tmp.cmd
07:17:00 : Stopped command file and observing session over.
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