GTAC Observation Log

1. Date : 10/02/2021
2. Observation Sr. No. : 12891
3. Observer : Jayanta Roy, Paul Ray, Bhaswati Bhattacharyya, Ben Stappers, Jayaram Narayanan Chengalur, Sanjay S. Kudale, Tyrel J. Johnson, Matthew Kerr, Patrick Weltevrede, Paulo Cesar Freire
4. Observer\'s Email : jroy@ncra.tifr.res.in, paul.ray@nrl.navy.mil, bhaswati@ncra.tifr.res.in, Ben.Stappers@manchester.ac.uk, chengalur@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, tyrel.j.johnson@gmail.com, matthew.kerr@gmail.com, Patrick.Weltevrede@manchester.ac.uk, pfreire@mpifr-bonn.mpg.de
5. Project Name : Long-term timing follow-up for the third transitional redback millisecond pulsar J1227-4853
6. Project Code : 39_061
7. Operator(s) : Navnath
8. Command File : /odisk/gtac/cmd/jroy/39_061_10feb.cmd
9. LTA File : /gwbifrdata2/10feb/39_061_10feb2021_b2_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 269 MHz ,RF2 : 269 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , 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) : 269 269 218 218 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C02 : Applied Servo brakes
33. Note for Backup :

34. Start and End Time of Obs.(IST): 10 Feb 2021 02:00:00 - 10 Feb 2021 05:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
-# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 Total=14
# BEAM-1:175 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15
# BEAM-3:130 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 Total=14
# BEAM-3:175 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15


------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300 300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 39_061
GPU_CNTRL  	: TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: VOLTAGE
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 16
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
01:00 : Started setup.
01:22:27 : Started scan on 1154-350 for ~ 9.97684 min.
01:33:24 : Started scan on 3C286 for ~ 3.75809 min.
01:38:43 : Started scan on 1154-350 for ~ 3.087 min.
01:42:08 : Started scan on 1154-350 for ~ 6.75562 min.
01:49:09 : Started scan on 1154-350 for ~ 6.21875 min.
01:55:43 : Started scan on 1154-350 for ~ 6.88984 min.
02:02:59 : Started scan on 1154-350 for ~ 9.9321 min.
02:13:12 : Started scan on 1154-350 for ~ 11.7664 min.
02:33:01 : Started scan on 3C286 for ~ 4.65288 min.
02:38:02 : Started scan on 3C286 for ~ 14.6297 min.
02:50:00 : Started cmd file
    /data1/gtac/cmd/jroy/39_061_10feb.py
05:00:00 : Observation session closed.