GTAC Observation Log

1. Date : 04/05/2018
2. Observation Sr. No. : 10225
3. Observer : Hariharan Krishnan, Divya Oberoi, Rohit Sharma, Atul Mohan, Surajit Mondal
4. Observer's Email : hara@ncra.tifr.res.in, div@ncra.tifr.res.in, rohit@ncra.tifr.res.in, atul@ncra.tifr.res.in, surajit@ncra.tifr.res.in
5. Project Name : Configuring the uGMRT as a Solar Monitoring Instrument : uGMRT Solar Spectrograph (uGSS)
6. Project Code : 34_028
7. Operator(s) : Navnath, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gwbifrdata2/04may/34_028_04may2018.lta, /gwbifrdata2/04may/34_028B_04may2018.lta, /gwbifrdata2/04may/34_028A_04may2018.lta
10. LogFlag File : /odisk/online1/logflags/34_028B.FLAGS.8, /odisk/online1/logflags/34_028A.FLAGS.9, /odisk/online1/logflags/34_028.FLAGS.10

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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
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) : 591 591 540 540 51 51
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) :
C05 : : Taken for Painting.
C14 : : Work for Mech Work.
W06 : : ABC time-out.
S03 : : Frequently applying brakes.
E04 : : Taken for SMTS work.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 May 2018 10:00:00 - 04 May 2018 12:20:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
09:50 : Started set-up.
--------------------------------------------------------
Splitting of antennas as follow.
--------------------------------------
# sub 2 # C02 C04 C08 C11  : 610MHz
ante 4 5 3 24 9
cp 0;defs 2;subar 2

# sub 3 # C01 C10 C12 C13 : 325MHz
ante 4 6 12 2 11
cp 0;defs 3;subar 3

150MHz
# sub 4 # C00 C03 C05 C06 C09 C14 W01 W02 W03 W04 W05 W06 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06
ante 22 7 1 19 20 4 10 8 13 14 15 16 25 17 18 21 22 23 26 27 28 29 30
cp 0;defs 4;subar 4
----------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C02 C04 C08 C11 Total=4
# BEAM-1:175 :: C02 C04 C08 C11 Total=4
# BEAM-2:130 :: C01 C10 C12 C13 Total=4
# BEAM-2:175 :: C01 C10 C12 C13 Total=4
# BEAM-3:130 :: C00 C03 E02 E03 E06 S01 S02 S04 S06 W02 Total=10
# BEAM-3:175 :: C00 C03 E02 E03 E06 S01 S02 S04 S06 W02 Total=10
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 2
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF2  	: 750  750
GPU_DDCLO2  	: 0.0000  0.0000
GPU_SB2  	: 1 1
GCODE2  	: 34_028A
GPU_RF3  	: 250  250
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: -1 -1
GCODE3  	: 34_028B
GPU_RF4  	: 250  250
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_028
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: IA
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: IA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 64
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 64 inputs.
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
-----------------------------------------------------------------------
09:50:00 : Started set-up.
10:05:00 : Power eq done on SUN.
10:13:05 : Started scan on SUN0014 for ~ 12.8178 min.
10:26:47 : Started scan on SUN0017 for ~ 28.141 min.
10:56:22 : Started scan on SUN0023 for ~ 24.8079 min.
11:23:14 : Started scan on SUN0028 for ~ 8.63467 min.
11:48:59 : Started scan on 3C147 for ~ 11.5427 min.
12:00 : Stopped scan and observation session is over.
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