GTAC Observation Log

1. Date : 25/07/2022
2. Observation Sr. No. : 14427
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 : 42_107
7. Operator(s) : Rupsing
8. Command File : /data1/gtac/cmd/42_107/42_107_25Jul2022_2100_cmd.py
9. LTA File : /gwbifrdata/25jul/42_107_25jul2022_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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : 16.666666 MHz
24. Final BW : 41666665 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 136.2499
28. LO5 -2  : 168.7501

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 :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 Jul 2022 21:00:00 - 25 Jul 2022 23:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

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  	: 470  470
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: IA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: PA
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_STATUS = ON/OFF
------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13
--------------------------------------------------------------------------
20:50 : Power eq and phasing 1830-360
--------------------------------------------------------------------------
20:55 : Started command file.
23:00 : Stopped command file and observation closed.