GTAC Observation Log

1. Date : 10/02/2023
2. Observation Sr. No. : 15100
3. Observer : Shubham Singh, Jayanta Roy, Shyam Sunder, Bhaswati Bhattacharyya
4. Observer\'s Email : ssingh@ncra.tifr.res.in, jroy@ncra.tifr.res.in, ssunder@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com
5. Project Name : Timing follow-up of long period pulsars discovered in the GHRSS Survey
6. Project Code : 43_111
7. Operator(s) : Navnath, Sachin, Shilpa
8. Command File : /data1/gtac/cmd/43_111/43_111_10Feb2023_0800_cmd.py
9. LTA File : /gwbifrdata/10feb/43_111_10feb2023_gwb.lta.1, /gwbifrdata/10feb/43_111_10feb2023_gwb.lta
10. LogFlag File :    

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 499 MHz ,RF2 : 499 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 550 MHz, ILO2 : 550MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : 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) : 499 499 550 550 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) :
S06 : : LMC down.
W05 : : OFF mode.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 10 Feb 2023 08:00:00 - 10 Feb 2023 10:26:00

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  	: 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  	: 43_111
GPU_CNTRL  	: TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: IA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 16
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  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
------GWB RFI Filter Setting----------------------------------------------
FILTERED_SIGNALS	:	RFI_ALL			# RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only
EXTERNAL MEDIAN	:	0			# integer value(-128 to 127)
THRESHOLD VALUE	:	3			# integer value(0 to 127)
CONSTANT VALUE		:	0			# integer value(-128 to 127)
FILTERING OPTION	:	DIGITAL NOISE		# BYPASS / CONSTANT=constant value is used / THRESHOLD / DIGITAL_NOISE
DDC_STATUS		:	OFF			# DDC = ON/OFF
--------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: 1 43_111 data7 IA 500.0 C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 W01 W02 W03 W04 W06 Total=27
# BEAM-1:175 :: 1 43_111 data7 IA 500.0 C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 W01 W02 W03 W04 W06 Total=27
# BEAM-2:130 :: 1 43_111 data7 PA 500.0 C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13
# BEAM-2:175 :: 1 43_111 data7 PA 500.0 C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13
--------------------------------------------------------------------------
08:00 : Started settings.

08:05 : Started GSB with 32 MHz, 256 channels with ALC oFF.
08:10 : C02 no fringe in GSB only.

08:20 : Power equalized on 1830-360 @ 300 counts for GSB.

08:20 : Halted GSB and restarted settings for GWB.

08:35 : Power equalization and phasing done on 1830-360 for GWB.
08:38 : \'/data1/gtac/cmd/43_111/43_111_10Feb2023_0800_cmd.py\' command file started.

10:04 : S01 taken for painting, so removed from GAC.
10:26 : Stopped command file and observing session over.