GTAC Observation Log

1. Date : 19/08/2018
2. Observation Sr. No. : 10480
3. Observer : Sravani Vaddi, Preeti Kharb, Chris O`Dea, Ruth Daly, Stefi Alison Baum
4. Observer's Email : sravani.vaddi@gmail.com, preeti.kharb@gmail.com, odea@cis.rit.edu, rad12@psu.edu, stefi_baum_80@post.harvard.edu
5. Project Name : Multi-frequency study of winged double radio loud quasars
6. Project Code : 34_127
7. Operator(s) : Nilesh, Rupsing
8. Command File : /odisk/gtac/cmd/34_127/obs2.txt
9. LTA File : /gsbifrdata/18aug/34_127_18aug2018.lta, /gwbifrdata2/18aug/34_127_18aug2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2861, /odisk/online1/logflags/34_127.FLAGS.1

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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C02 : No fringe @130 pol.
W06 : Servo time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Aug 2018 22:00:00 - 19 Aug 2018 01:45:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
22:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
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  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_127
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits.
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
-------------------------------------------------------------------------
22:15 : No Flux cal available, Started command file

22:18:07 : Started scan on 1609+266 for ~ 4.83183 min.
22:24:05 : Started scan on 3C336 for ~ 34.8966 min.
23:00:02 : Started scan on 1609+266 for ~ 4.96605 min.
23:05:51 : Started scan on 3C336 for ~ 35.0308 min.
23:45:58 : Started scan on 3C48 for ~ 9.79788 min.
00:00:00 : Started scan on 1739+476 for ~ 4.96605 min.
00:05:56 : Started scan on 3C351 for ~ 35.4334 min.
00:42:23 : Started scan on 1739+476 for ~ 4.83183 min.
00:48:23 : Started scan on 3C351 for ~ 35.0308 min.
01:24:33 : Started scan on 1739+476 for ~ 4.96605 min.
01:33:31 : Started scan on 3C48 for ~ 10.0308 min.

01:44 : Stopped scan and observation closed.