GTAC Observation Log

1. Date : 11/08/2017
2. Observation Sr. No. : 9657
3. Observer : Elliott Polzin, Bhaswati Bhattacharyya, Rene Breton, Andrew Lyne, Mallory Roberts, Ben Stappers
4. Observer's Email : elliott.polzin@postgrad.manchester.ac.uk, bhaswati.bhattacharyya@manchester.ac.uk, rene.breton@manchester.ac.uk, andrew.lyne@manchester.ac.uk, malloryr@gmail.com, Ben.Stappers@manchester.ac.uk
5. Project Name : %latex% Determining the phenomena behind the flux variations of binary PSRs B1718$-$19 and J1744$-$3922
6. Project Code : 32_045
7. Operator(s) : Rupsing, Shilpa, Surender
8. Command File : /odisk/gtac/cmd/jroy/32_045_10aug.cmd
9. LTA File : /gsbifrdata1/10aug/32_045_10aug2017_610.lta, /gsbifrdata1/10aug/32_045_10aug2017_1420.lta, /gwbifrdata1/10aug/32_045_10aug2017_550lo.lta, /gwbifrdata1/10aug/32_045_10aug2017_1460lo.lta
10. LogFlag File : /odisk/online1/logflags/SUBA2.FLAGS.1072, /odisk/online1/logflags/32_045.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF

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 : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : PA
22. Beam - 2 : PA
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
W04 : Callsheet work.
S01 : No fringe.
E04 : No fringe at GWB o/p.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 10 Aug 2017 17:15:00 - 11 Aug 2017 01:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
------------GWB Setting----------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_RF2  	: 550  550
GPU_SB2  	: -1 -1
GCODE2  	: SUBA2
GPU_RF4  	: 1460  1460
GPU_SB4  	: 1 1
GCODE4  	: 32_045
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: PA
GPU_BM_INT  	: 4
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 64 inputs.
GPU_FILRFI  	: RFI Filterring OFF
---------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-3:130 :: C02 C03 C05 C09 C10 C14 E03 W03 Total=8
# BEAM-3:175 :: C02 C03 C05 C09 C10 C14 E03 W03 Total=8
# BEAM-4:130 :: C00 C04 C06 C08 C11 C12 C13 E02 E05 E06 S02 S03 S04 W01 W02 W05 Total=16
# BEAM-4:175 :: C00 C01 C04 C06 C08 C11 C12 C13 E02 E05 E06 S02 S03 S04 W01 W02 W05 Total=17
---------------------------------------------------------------------------
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C02 C03 C05 C09 C10 C14 E03 W03 Total=8
# BEAM-1:175 :: C02 C03 C05 C09 C10 C14 E03 W03 Total=8
# BEAM-2:130 :: C00 C01 C04 C06 C08 C11 C12 C13 E02 E04 E05 E06 S02 S03 S04 W01 W02 W05 Total=18
# BEAM-2:175 :: C00 C01 C04 C06 C08 C11 C12 C13 E02 E04 E05 E06 S02 S03 S04 W01 W02 W05 Total=18
---------------------------------------------------------------------------
# sub 2 # C02 C03 C05 C09 C10 C14 W03 W04 W06 E03 S06
ante 11 5 1 19 4 12 10 14 15 25 18 30
cp 0;defs 2;subar 2
tpa 629 629 680 680 51 51
---------------------------------------------------------------------------
# sub 4 # C00 C01 C04 C06 C08 C11 C12 C13 W01 W02 W05 E02 E04 E05 E06 S01 S02 S03 S04
ante 19 7 6 3 20 24 9 2 11 8 13 16 17 21 22 23 26 27 28 29
cp 0;defs 4;subar 4
tpa 1454 1454 1505 1505 51 51
---------------------------------------------------------------------------
17:15 : Started settings.
18:10 : Power equalized on 3C286 @ 300 counts at GSB and 150 counts at GWB.
18:30 : Power equalized on 1822-096 @ 300 counts at GSB and 150 counts at GWB.
18:41 : Phasing done on 1822-096 at GSB and GWB.
18:44 : '/odisk/gtac/cmd/jroy/32_045_10aug.cmd' command file started.

22:09 : Phasing was not done in GWB and GSB.
22:18 : Stopped command file and rephased GWB and GSB.
22:19 : Restarted command file, but suba2 command failed, again stopped command file.
22:27 : Bad scan in GWB (GWBH9 : raw1 and raw2 bad scan) and (GWBH10 : raw2 and raw3 bad scan).

22:31 : Restarted command file.
00:51 : Source below horizon.
00:51 : stopped command file.