GTAC Observation Log

1. Date : 27/04/2018
2. Observation Sr. No. : 10206
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) : Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gwbifrdata/27apr/34_028_27apr2018_gwb_150.lta, /gwbifrdata/27apr/34_028B_27apr2018_gwb325_.lta, /gwbifrdata/27apr/34_028A_27apr2018_gwb_610.lta
10. LogFlag File : /odisk/online1/logflags/34_028B.FLAGS.4, /odisk/online1/logflags/34_028A.FLAGS.5, /odisk/online1/logflags/34_028.FLAGS.6

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
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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C01 : C04 W01: Feed jammed.
C14 : : Taken for Mech work.
C05 : : Paining.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Apr 2018 10:00:00 - 27 Apr 2018 12:10:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
10:00 : Started set-up.
-----------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C02 C08 C11 Total=3
# BEAM-1:175 :: C02 C08 C11 Total=3
# BEAM-2:130 :: C10 C12 C13 Total=3
# BEAM-2:175 :: C10 C12 C13 Total=3
# BEAM-3:130 :: C00 C03 C09 E03 E04 E06 S01 S03 S04 S06 W02 Total=11
# BEAM-3:175 :: C00 C03 C09 E03 E04 E06 S01 S03 S04 S06 W02 Total=11
==============================================
10:00 : Started set-up.
10:08 : Multi Suba-array settings done. (RF,IF,GAB etc.)
10:20 : Power eq done on 3C147.
10:20 -10:30 : GAB Problem for 5 antennas.
10:35 : Started command file.
12:00 : Stopped command file and observing session over.