GTAC Observation Log

1. Date : 04/12/2021
2. Observation Sr. No. : 13721
3. Observer : Shyam Sunder, Jayanta Roy, Bhaswati Bhattacharyya, Shubham Singh
4. Observer\'s Email : ssunder@ncra.tifr.res.in, jroy@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, ssingh@ncra.tifr.res.in
5. Project Name : Localisation of pulsars discovered in the GHRSS survey
6. Project Code : 41_095
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/jroy/41_095_4dec.py
9. LTA File : /gwbifrdata1/04dec/41_095_04dec2021_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 : 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) : 306 306 255 255 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C04 : GAB problem.
C00 : Low ringe.
W04 : Low fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 Dec 2021 11:30:00 - 04 Dec 2021 14:10:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :
11:30 : Started settings.

11:40 : Power EQ at 300 counts for GSB done, and halted GSB.
        GSB  : RAWDUMP DATA recording by JRoy.

------------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  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 41_095
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
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
--------------------------------

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=26
# BEAM-1:175 :: C01 C02 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=26
# BEAM-2:130 :: C01 C02 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=26
# BEAM-2:175 :: C01 C02 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=26


11:45 : Started GWB and power eq at 120 counts on 1526-138.
11:50 : Started scan on 1526-138 for ~ 4.42918 min.
11:57 : started command file.
             /data1/gtac/cmd/jroy/41_095_4dec.py

12:01 : Started scan on HR_1516-43 for ~ 102.363 min.
13:46 : Started scan on 1830-360 for ~ 5.18975 min.
13:53 : Started scan on HR_1850-48 for ~ 14.9429 min.

14:10 : Stopped command file and observation over.