GTAC Observation Log

1. Date : 10/12/2018
2. Observation Sr. No. : 10719
3. Observer : Kaustubh Milind Rajwade, Ben Stappers, Jayanta Roy, Benetge Perera
4. Observer's Email : kaustubh.rajwade@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, jroy@ncra.tifr.res.in, benetge.perera@manchester.ac.uk
5. Project Name : Studying the peculiar broadband emission in pulsars
6. Project Code : 35_058
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/jroy/35_058_10dec.cmd
9. LTA File : /gwbifrdata1/10dec/35_058C_10dec2018_suba4.lta, /gwbifrdata1/10dec/35_058A_10dec2018_suba2.lta
10. LogFlag File : /odisk/online1/logflags/35_058C.FLAGS, /odisk/online1/logflags/35_058B.FLAGS.1, /odisk/online1/logflags/35_058A.FLAGS.1

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 :30

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

33. Note for Backup :

34. Start and End Time of Obs.(IST): 10 Dec 2018 01:00:00 - 10 Dec 2018 07:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :30

37. Comments (During Observations) :
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C08 C09 C13 C14 E03 E04 E05 S01 S03 S04 W01 W03 W04 W05 Total=14
# BEAM-1:175 :: C08 C09 C13 C14 E03 E04 E05 S01 S03 S04 W01 W03 W04 W05 Total=14
# BEAM-2:130 :: C03 C04 C05 C10 C11 E02 S02 W02 Total=8
# BEAM-2:175 :: C03 C04 C05 C10 C11 E02 S02 W02 Total=8
# BEAM-3:130 :: C00 C01 C02 C06 Total=4
# BEAM-3:175 :: C00 C01 C02 C06 Total=4
Note : Time wasted because multi-subarray phasing was not working.
Since it creates temporary lta record in /gwbifrdata/phasing/subN , which was not created. Time went to debug this.Hence created directories manually and started observation.

01:48:23 : Started scan on 3C147 for ~ 2.14748 min.
01:56:12 : Started scan on 3C147 for ~ 4.42918 min.
02:05:50 : Started scan on B0611+22 for ~ 115.561 min.
04:12:36 : Started scan on 0837-198 for ~ 1.20796 min.
04:14:14 : Started scan on 0837-198 for ~ 2.14748 min.
04:19:38 : Started scan on B0919+06 for ~ 160.156 min.
07:00 : Stopped scan and closed observation session.