GTAC Observation Log

1. Date : 09/03/2020
2. Observation Sr. No. : 11965
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) : Nilesh
8. Command File : /odisk/gtac/cmd/37_004/obs.cmd
9. LTA File : /gsbifrdata/09mar/37_004B_band3_09mar2020.lta, /gsbifrdata/09mar/37_004A_band4_09mar2020.lta, /gwbifrdata1/09mar/37_004_band4_09mar2020_gwb.lta, /gwbifrdata1/09mar/37_004_band3_09mar2020_gwb.lta.1, /gwbifrdata1/09mar/37_004_band3_09mar2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_004B.FLAGS.6, /odisk/online1/logflags/37_004A.FLAGS.6

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,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
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) : 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) :
C03 : Maintenance.
C12 : Low Fringe.
C06 : Painting.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Mar 2020 11:30:00 - 09 Mar 2020 14:25:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :
11:30 : Started settings. 

------------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_RF3  	: 500  500
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: 1 1
GCODE3  	: 37_004B
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  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------


::::::::::::::
gsb_gac.dat
::::::::::::::
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C04 C08 C10 C11 C13 E03 S01 S02 S03 W01 W02 W03 Total=13
# BEAM-1:175 :: C00 C04 C08 C10 C11 C13 E03 S01 S02 S03 W01 W02 W03 Total=13
# BEAM-2:130 :: C00 C04 C08 C10 C11 C13 E03 S01 S02 S03 W01 W02 W03 Total=13
# BEAM-2:175 :: C00 C04 C08 C10 C11 C13 E03 S01 S02 S03 W01 W02 W03 Total=13
::::::::::::::
gwb_gac.dat
::::::::::::::
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C05 C09 C11 C12 C13 Total=7
# BEAM-1:175 :: C01 C02 C05 C09 C11 C12 C13 Total=7
# BEAM-4:130 :: C00 C04 C08 C10 E02 E03 S01 S02 S03 W01 W02 W03 Total=12
# BEAM-4:175 :: C00 C04 C08 C10 E02 E03 S01 S02 S03 W01 W02 W03 Total=12

12:25:38 : Started scan on 2225-049 for ~ 5.01079 min.
12:38:12 : Started scan on J1939+2134 for ~ 2.86331 min.
12:41:26 : Started scan on J1939+2134 for ~ 2.86331 min.
12:44:44 : Started scan on J1939+2134 for ~ 2.86331 min.
12:49:05 : Started scan on J1959+2048 for ~ 2.95279 min.
12:52:19 : Started scan on J1959+2048 for ~ 2.86331 min.
12:58:23 : Started scan on 2225-049 for ~ 6.35297 min.
13:05:04 : Started scan on 2225-049 for ~ 2.14748 min.
13:07:31 : Started scan on 2225-049 for ~ 2.058 min.
13:14:19 : Started scan on J1959+2048 for ~ 49.0342 min.
14:08:36 : Started scan on 3C147 for ~ 0.805306 min.
14:09:38 : Started scan on 3C147 for ~ 2.23696 min.
14:12:04 : Started scan on 3C147 for ~ 2.86331 min.
14:15:31 : Started scan on 3C147OFF for ~ 6.80036 min.
14:25:00 : Scan Stopped and observation session closed.