GTAC Observation Log

1. Date : 11/01/2015
2. Observation Sr. No. : 7551
3. Observer : Poonam Chandra, Wade, Stanley Peter Owocki, Jason H Grunhut, Mary Oksala, Veronique Petit, Sundqvist, ud-Doula
4. Observer's Email : poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, owocki@udel.edu, jason.grunhut@gmail.com, meo@udel.edu, Vpetit@udel.edu, mail@jonsundqvist.com, auu4@psu.edu
5. Project Name : Low-frequency emission characteristics of the radio magnetospheres of OB stars
6. Project Code : 27_048
7. Operator(s) : Deepak, Nilesh, Pramod, Surender
8. Command File : /odisk/gtac/cmd/poonam/11jan2015/FirstObs-7IST/obs.cmd,/odisk/gtac/cmd/poonam/11jan2015/SecondObs-10IST/obs.cmd,/odisk/gtac/cmd/poonam/11jan2015/ThirdObs-13IST/obs.cmd,
9. LTA File : /gsbifrdata/11jan/27_048_11jan2015.lta.2,/gsbifrdata/11jan/27_048_11jan2015.lta.1,/gsbifrdata/11jan/27_048_11jan2015.lta
10. LogFlag File : /odisk/online1/logflags/27_048.FLAGS.12

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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
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 : 33.333333 MHz; Step # 
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
E04 : : BLDC installation.
W04 : : Maintenance.
S03 : : Intermittent servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 11 Jan 2015 07:00:00 - 11 Jan 2015 16:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
07:01 : Started settings.
07:10 : Started scan on 3c286 for ~12min.
07:26 : Started command file.
/odisk/gtac/cmd/poonam/11jan2015/FirstObs-7IST/obs.cmd
09:51 : Stopped command file.
09:55 : Started new lta file and scan on 3c286 for ~15min.(common flux in both lta files.)
10:05 : C12 got abc reset.
10:10 : Stopped scan and closed first lta(6ist) file.
10:11 : Started command file.
/odisk/gtac/cmd/poonam/11jan2015/SecondObs-10IST/obs.cmd
10:18 : C12 started working.
13:02 : Started command file.
13:10 : Started new lta file and scan on 3c468.1 for ~15in.(common flux in both lta files.)
13:25 : Stopped scan and closed lta (10ist) file.
13:30 : Started command file.
/odisk/gtac/cmd/poonam/11jan2015/ThirdObs-13IST/obs.cmd
15:52 : Stopped command file.
16:00 : Started scan on 3C48.
16:11 : Stopped scan and observation session is over.