GTAC Observation Log

1. Date : 17/05/2019
2. Observation Sr. No. : 11078
3. Observer : Mengyao Xue, Ramesh Bhat, Stephen Ord, Steven Tremblay, Charlotte Sobey, Sanjay S. Kudale
4. Observer's Email : mengyao.xue@postgrad.curtin.edu.au, ramesh.bhat@curtin.edu.au, stephen.ord@csiro.au, steven.tremblay@curtin.edu.au, charlotte.sobey@csiro.au, ksanjay@gmrt.ncra.tifr.res.in
5. Project Name : Investigating the depolarisation of pulsars behind the Gum Nebula
6. Project Code : 36_087
7. Operator(s) : Deepak, Navnath, Sachin
8. Command File : /odisk/gtac/cmd/36_087/obs1.cmd,, /odisk/gtac/cmd/36_087/obs2.cmd,, /odisk/gtac/cmd/36_087/obs3.cmd,, /odisk/gtac/cmd/36_087/obs4.cmd
9. LTA File : /gwbifrdata1/17may/36_087_17may2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/36_087.FLAGS.3

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 : 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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :21

32. Name of Non-Working Antennas (with reason for each) :
C03 : Electrical maintenance.
C13 : ABC timed out.
C14 : Mechanical maintenance.
E05 : 130 pol no fringe
C01 : 175 Pol no fringe.
W02 : Servo problem.
W03 : ABC timed out.
S06 : All MCM timed out.
W04 : MCM 14 timed out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 May 2019 14:00:00 - 17 May 2019 20:40:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
NOTE : GWB ACQ was killing, as pulsar backup was going for 35_031. Lost 45 mins.
# BEAM-1:130 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 E04 E06 S01 S02 S03 S04 W01 W05 W06 Total=22
# BEAM-1:175 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 E04 E06 S01 S02 S03 S04 W01 W05 W06 Total=22
# BEAM-2:130 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 S01 W01 Total=14
# BEAM-2:175 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 S01 W01 Total=14


------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 32
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 36_087
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 16
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

14:15 : Started setup
15:10 : E02,S02 and S06 got ABC reset.
15:17 : C14 released for observation.
15:20 : Started command file obs1.cmd
15:25 : W02 started working
15:50 : C03 released for observation.
16:40 : W03 NO fringe.
19:32 : W01 - 175 low fringe
20:24 : Observation stopped.