GTAC Observation Log

1. Date : 16/12/2019
2. Observation Sr. No. : 11684
3. Observer : Chia Min Tan, Ben Stappers, Vladislav Kondratiev, BHAL CHANDRA JOSHI, Yogesh Maan, Jason WilliamThomas Hessels, Patrick Weltevrede, Cees Bassa
4. Observer's Email : chiamin.tan@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, vlad.kondratiev@gmail.com, bcj@ncra.tifr.res.in, maan@astron.nl, hessels@astron.nl, Patrick.Weltevrede@manchester.ac.uk, bassa@astron.nl
5. Project Name : Multi-frequency Observation of the Slowest-Spinning Radio Pulsar with the Giant Metrewave Radio telescope
6. Project Code : 37_070
7. Operator(s) : Deepak, Navnath, Rupsing
8. Command File : /odisk/gtac/cmd/37_070/37_070_15dec2019.cmd.txt
9. LTA File : /gwbifrdata1/15dec/37_070_15dec2019_suba4_gwb.lta, /gwbifrdata2/15dec/37_070_15dec2019_suba3_gwb.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3415

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : OFF
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) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :30

32. Name of Non-Working Antennas (with reason for each) :

33. Note for Backup :

34. Start and End Time of Obs.(IST): 15 Dec 2019 18:00:00 - 16 Dec 2019 01:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :30

37. RFI Status :

38. Comments (During Observations) :

------------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  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: 500  500
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: 1 1
GCODE3  	: 37_070B
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_070A
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: PA
GPU_BM_INT  	: 8
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
18:10 : Started Sub array splitting for band3 and band4 antennas.
# suba 3 # C01 C02 C03 C06 C08 C09 C12 W01 W02 E02
ante 10 6 5 1 20 24 4 2 8 13 17
cp 0;defs 3;subar 3
# sub 4 # C00 C04 C05 C10 C11 C13 C14 W03 E03 S01 S02 S03
ante 12 7 3 19 12 9 11 10 14 18 26 27 28
cp 0;defs 4;subar 4
--------------------------------------------

18:20 : Started RF,GABLO,GAB attn settings.
18:30 : Started power eq for Both band 3 and Band4
18:45 : Started phasing on 3c48.
19:55 : done final GAC Configuration.
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: Total=0
# BEAM-1:175 :: Total=0
# BEAM-2:130 :: C00 C04 C05 C10 C11 C13 C14 S01 S02 Total=9
# BEAM-2:175 :: C00 C04 C05 C10 C11 C13 C14 E03 S01 S02 Total=10
# BEAM-3:130 :: Total=0
# BEAM-3:175 :: Total=0
# BEAM-4:130 :: C01 C02 C03 C06 C08 C09 C12 E02 W01 W02 Total=10
# BEAM-4:175 :: C01 C02 C03 C06 C08 C09 C12 E02 W01 W02 Total=10

19:00 : Started cmd file.
 /odisk/gtac/cmd/37_070/37_070_15dec2019.cmd.txt
--------------------------------------------------------------------
01:00 : Stopped command file and observation session over.