GTAC Observation Log

1. Date : 25/07/2017
2. Observation Sr. No. : 9603
3. Observer : M Chakraborty
4. Observer's Email : manoneeta@iiti.ac.in
5. Project Name : Radio monitoring of the recent outburst of the transient low mass X-ray binary neutron star Aquila X-1
6. Project Code : DDTB279
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd/ddtb279/obs.cmd
9. LTA File : /gsbifrdata1/25jul/ddtb279_25jul2017_gsb.lta, /gwbifrdata2/25jul/ddtb279_25jul2017_gwb.lta.1, /gwbifrdata2/25jul/ddtb279_25jul2017_gwb.lta
10. LogFlag File : /odisk/online1/logflags/DDTB279.FLAGS.1

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

32. Name of Non-Working Antennas (with reason for each) :
W03 : No Fringe, Strong RFI.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 Jul 2017 01:00:00 - 25 Jul 2017 04:40:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
00:55 : Started settings.

------------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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: DDTB279
--------------------------------

01:01:05 : Started scan on 3C48 for ~ 1.20796 min.
01:02:27 : Started scan on 3C48 for ~ 3.62388 min.
01:06:44 : Started scan on 3C48 for ~ 11.4085 min.
01:24:51 : Started scan on 1851+005 for ~ 6.97932 min.
01:35:07 : Started scan on AQLX-1 for ~ 35.4334 min.
02:11:26 : Started scan on 1851+005 for ~ 6.97932 min.
02:21:49 : Started scan on AQLX-1 for ~ 14.7639 min.

02:35 : Antennas Electrical glitch, stopped recording.
02:37 : Antennas parked due to HIGH WIND SPEED.
03:30 : WIND SPEED Normal, Antennas put into tracking.
        C01 - Servo problem After power glitch.
        E03 : ABC time out.

03:32:18 : Started scan on 1851+005 for ~ 9.52945 min.
03:43:17 : Started scan on AQLX-1 for ~ 35.9703 min.
04:25:50 : Started scan on 3C48 for ~ 12.47639 min.

04:38 : Stopped scan and closed observations.