GTAC Observation Log

1. Date : 29/07/2021
2. Observation Sr. No. : 13343
3. Observer : Visweshwar Ram Marthi, Dana Simard, Tim Sprenger, Robert Main, Olaf Wucknitz, Marten H vanKerkwijk, Ue Li Pen, Yashwant Gupta
4. Observer\'s Email : vrmarthi@ncra.tifr.res.in, dana.simard@astro.caltech.edu, tsprenger@mpifr-bonn.mpg.de, ramain@mpifr-bonn.mpg.de, wucknitz@mpifr-bonn.mpg.de, mhvk@astro.utoronto.ca, pen@cita.utoronto.ca, ygupta@ncra.tifr.res.in
5. Project Name : Extended Monitoring of the Peculiar Scattering of PSR B1508\\\\+55
6. Project Code : 40_079
7. Operator(s) : Deepak, Navnath, Nilesh, Surender
8. Command File : /data1/gtac/cmd/40_079/28jul2021.py
9. LTA File : /gwbifrdata1/28jul/40_079a_28jul2021_gwb.lta, /gwbifrdata2/28jul/40_079b_28jul2021_gwb.lta
10. LogFlag File :  

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/TGC
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 : 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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C11 : :Low fringe.
E05 : Maintenance 
33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Jul 2021 18:00:00 - 29 Jul 2021 01:19:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: Band4
GAB_LO3         : 550 550
GPU_SB3  	: 1 1
GCODE3  	: 40_
GPU_RF4  	: 470  470
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: IA
GPU_BM_INT  	: 32
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
[observer@oper2 INFO]$ more gwb_gac.dat
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-1:175 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-2:130 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-2:175 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-3:130 :: C00 C04 C05 C08 C09 C10 E03 S02 S04 S06 W02 W04 W06 Total=13
# BEAM-3:175 :: C00 C04 C05 C08 C09 C10 E03 S02 S04 S06 W02 W04 W06 Total=13
# BEAM-4:130 :: C00 C04 C05 C08 C09 C10 E03 S02 S04 S06 W02 W04 W06 Total=13
# BEAM-4:175 :: C00 C04 C05 C08 C09 C10 E03 S02 S04 S06 W02 W04 W06 Total=13
---------------------------------------------------------------------
18:00:00 : Started setup.
18:20:00 : Started power eq.
18:35:00 : Started cmd file.

          /data1/gtac/cmd/40_079/28jul2021.py
01:19:00 : Stopped cmd file due to Source and Phase cal below horizon.
01:19:00 : Closwd observation.