GTAC Observation Log

1. Date : 30/01/2016
2. Observation Sr. No. : 8368
3. Observer : Francesco deGasperin, Huib T Intema, Reinout Johannes vanWeeren, Annalisa Bonafede, Marcus Bruggen
4. Observer's Email : fdg@hs.uni-hamburg.de, hintema@nrao.edu, rvanweeren@cfa.harvard.edu, annalisa.bonafede@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de
5. Project Name : The first detailed study of a radio relic in a low-mass cluster
6. Project Code : 29_028
7. Operator(s) : Deepak
8. Command File : /odisk/gtac/cmd/29_028/30jan16/obs.cmd
9. LTA File : /gsbifrdata1/30jan/29_028_30jan2016.lta
10. LogFlag File : /odisk/online1/logflags/29_028.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : 33.333333 MHz; Step # 
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : BLDC.
W04 : Maintenance.
E03 : Strong RFI.
C04 : : Strong RFI.
E03 and E04 servo problem.
C13 : servo time out.
S03 : stow not releasing.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Jan 2016 01:00:00 - 30 Jan 2016 08:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :23

37. Comments (During Observations) :
01:14 : Started scan on 3C286 for 12mins.
01:30 : Started command file
04:00 : Scintillation seen from 01:00  to 03:30 Hrs in arm antennas.
07:26 : 07:40 Power glitch for 18 ants.
07:26 : Stopped command file.
07:40 : Power resumed 
07:40 : E03 and E04 servo problem,
07:40 : C13 servo time out,
07:40 : S03 stow not releasing.
07:45 : Started scan on 3c286.
08:00 : Stopped scan and observing session is over.