GTAC Observation Log

1. Date : 22/11/2019
2. Observation Sr. No. : 11614
3. Observer : Jayanta Roy, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray
4. Observer's Email : jroy@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil
5. Project Name : Multi-frequency timing of millisecond pulsars discovered with the GMRT
6. Project Code : 37_053
7. Operator(s) : Pramod, Sachin
8. Command File : /odisk/gtac/cmd/jroy/37_053_18nov.cmd
9. LTA File : /gsbifrdata/22nov/37_053_suba4_band4_22nov2019_gsb.lta, /gsbifrdata/22nov/37_053_suba3_band3_22nov2019_gsb.lta, /gwbifrdata1/22nov/37_053_band3_suba3_22nov2019_gwb.lta, /gwbifrdata2/22nov/37_053_band4_suba4_22nov2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_053B.FLAGS.4, /odisk/online1/logflags/37_053A.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Host : gsbm1
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : PA
22. Beam - 2 : PA
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) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C04 : Taken for mechanical work
C01 : Applied EL brake
W03 : Front End problem

33. Note for Backup :

34. Start and End Time of Obs.(IST): 22 Nov 2019 18:00:00 - 22 Nov 2019 20:10:00

35. ONLINE Machine : Shivneri

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  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: 500  500
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: 1 1
GCODE3  	: 37_053B
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_053A
GPU_CNTRL  	: ONLINE
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  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C02 C03 C05 C06 C09 C11 C12 C13 C14 Total=9
# BEAM-1:175 :: C02 C03 C05 C06 C09 C11 C12 C13 C14 Total=9
# BEAM-2:130 :: Total=0
# BEAM-2:175 :: Total=0
# BEAM-3:130 :: C00 C08 C10 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=18
# BEAM-3:175 :: C00 C08 C10 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=18
# BEAM-4:130 :: Total=0
# BEAM-4:175 :: Total=0

# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C02 C03 C05 C06 C09 C11 C12 C13 C14 Total=9
# BEAM-1:175 :: C02 C03 C05 C06 C09 C11 C12 C13 C14 Total=9
# BEAM-2:130 :: C00 C08 C10 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=18
# BEAM-2:175 :: C00 C08 C10 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=18


 # sub 3 # C01 C02 C03 C05 C06 C09 C11 C12 C13 C14
ante 10 6 5 1 19 20 4 9 2 11 10
cp 0;defs 3;subar 3

# sub 4 # C00 C04 C08 C10 W01 W02 W03 W04 W05 W06 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06
ante 20 7 3 24 12 8 13 14 15 16 25 17 18 21 22 23 26 27 28 29 30
cp 0;defs 4;subar 4


NOTE : It is observed that 37_013 scp was going while this observation was in run.


17:10 : Started set up.
17:40 : Power equalized and phasing done on 2225-049 for both GSB and GWB.
17:45 : Started command file.
 '/odisk/gtac/cmd/jroy/37_053_18nov.cmd'
20:03 : Stopped command file and observation session is over.