GTAC Observation Log

1. Date : 05/03/2022
2. Observation Sr. No. : 14004
3. Observer : Jayanta Roy, Shyam Sunder, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray, Sanjay S. Kudale
4. Observer\'s Email : jroy@ncra.tifr.res.in, ssunder@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil, ksanjay@gmrt.ncra.tifr.res.in
5. Project Name : Wide-band timing of millisecond pulsars with the GMRT
6. Project Code : 41_082
7. Operator(s) : Pramod, Rupsing
8. Command File : /data1/gtac/cmd/jroy/41_082_5mar.py, /data1/gtac/cmd/jroy/41_082_5mar.1.py
9. LTA File : /gwbifrdata1/05mar/41_082_05mar2022_gwb.lta.1, /gwbifrdata1/05mar/41_082_05mar2022_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 : 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 : 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 : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C09 : Feed not rotated
E03 : Taken for painting.
S06 : GAB problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Mar 2022 10:00:00 - 05 Mar 2022 13:00:00

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  	: 41_082
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: IA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: PA
GPU_BM_INT  	: 16
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: ON
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 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 W01 W02 W03 W04 W05 W06 Total=26
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 W01 W02 W03 W04 W05 W06 Total=26
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=19
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=19
# BEAM-3:130 :: C01 C02 C05 C06 C08 C10 C12 Total=7
# BEAM-3:175 :: C01 C02 C05 C06 C08 C10 C12 Total=7
# BEAM-4:130 :: C01 C02 C05 C06 C08 C10 C12 Total=7
# BEAM-4:175 :: C01 C02 C05 C06 C08 C10 C12 Total=7

09:25 : Started set up.
09:45 : Started command file.
 \'/data1/gtac/cmd/jroy/41_082_5mar.py\'

11:45 : Stopped command file and restarted correlator with following mode.
11:45 : C09 started working.
 
 \'/data1/gtac/cmd/jroy/41_082_5mar.1.py\'

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 8
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_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: VOLTAGE
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  	: 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 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20

13:30 : Stopped command file and observation session is over.