GTAC Observation Log

1. Date : 03/11/2019
2. Observation Sr. No. : 11552
3. Observer : James McKee, BHAL CHANDRA JOSHI
4. Observer's Email : jamesmckee23@gmail.com, bcj@ncra.tifr.res.in
5. Project Name : Broadband Observations of Giant Pulses from the Millisecond Pulsars B1937\\+21 and B1957\\+20
6. Project Code : 37_004
7. Operator(s) : Rupsing
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/02nov/37_004_02nov2019_gsb.lta, /gwbifrdata2/02nov/37_004_02nov2019_gwb_band4.lta, /gwbifrdata2/02nov/37_004_02nov2019_gwb_band3.lta
10. LogFlag File : /odisk/online1/logflags/37_004B.FLAGS, /odisk/online1/logflags/37_004A.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 612 MHz ,RF2 : 612 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 550 MHz, ILO2 : 550MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+10 dB, 16 MHz,OFF, IF-CH2 : 20+10 dB, 16 MHz,OFF

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
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 : OFF
22. Beam - 2 : Volt
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 612 612 550 550 62 62
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C04 : Mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 02 Nov 2019 21:00:00 - 02 Nov 2019 23:20:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
GSB data file on node33 and node34

/mnt/a/gsbuser/37_004_02nov19 &
/mnt/c/gsbuser/37_004_02nov19

file : J1959+2048_02nov2019.raw2
-------------------------------------------------------------------------
GWB data file :BM1 and BM2(data2 and & data4)
J1959+2048.02nov2019.band4cdp.dat.3
J1959+2048.02nov2019.band3cdp.dat.3
========================================================================
------------GWB Setting-------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 1024
GPU_CHAN_NUM  	: 0:1023:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_004A
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: Voltage
GPU_BEAM_2  	: Voltage
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
------------------------------------------------------------------------
21:30 : Power eq on 2225-049(GSB+GWB)
21:40 : Phasing on 2225-049(GSB+GWB)
------------------------------------------------------------------------
21:42 : C03 ABC reset.
------------------------------------------------------------------------
21:45 : Rephasing on 2225-049.
------------------------------------------------------------------------
 # GSB GAC configuration is as follows : 
# BEAM-2:130 :: C00 C05 C10 C11 C13 E03 S01 S02 W01 Total=9
# BEAM-2:175 :: C00 C05 C10 C11 C13 E03 S01 S02 W01 Total=9
------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C05 C10 C11 C13 E03 S01 S02 W02 Total=9
# BEAM-1:175 :: C00 C05 C10 C11 C13 E03 S01 S02 W02 Total=9
# BEAM-2:130 :: C01 C02 C03 C06 C08 C09 C12 C14 E02 W01 Total=10
# BEAM-2:175 :: C01 C02 C03 C06 C08 C09 C12 C14 E02 W01 Total=10
-----------------------------------------------------------------------
21:47 : Started command file.
21:50 : Stopped command file due to beam2 data not recorded
-----------------------------------------------------------------------
21:52 : Restarted command file
21:55 : Stopped command file due same problem.
-----------------------------------------------------------------------
22:00 : Started scan on J1959+2048 for 60min.
-----------------------------------------------------------------------
22:55 : Started scan on 3C48 for 1 min.
23:04 : Started scan on off 3C48 for 1 min.
23:06 : Stopped scan and observation session is over.