GTAC Observation Log

1. Date : 18/03/2018
2. Observation Sr. No. : 10163
3. Observer : Benito Marcote, Yogesh Maan, Roberta Zanin, Dmitry Khangulyan, C.H. IshwaraChandra, Felix A. Aharonian
4. Observer's Email : marcote@jive.eu, maan@astron.nl, Roberta.Zanin@mpi-hd.mpg.de, d.khangulyan@rikkyo.ac.jp, ishwar@ncra.tifr.res.in, Felix.aharonian@mpi-hd.mpg.de
5. Project Name : Discovering the radio nebula associated with Geminga, one of the most energetic gamma-ray pulsar
6. Project Code : 33_007
7. Operator(s) : Navnath, Nilesh, Rupsing
8. Command File : /odisk/gtac/cmd/33_007/obs.cmd
9. LTA File : /gwbifrdata2/18mar/33_007_18mar2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/33_007.FLAGS

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
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 :29

32. Name of Non-Working Antennas (with reason for each) :
W03 : : No fringe GWB.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Mar 2018 15:00:00 - 18 Mar 2018 23:10:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
15:00 : Started settings.

------------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_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 33_007
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 16
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
--------------------------------

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=20
# BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=20

15:10 : Started power eq @ 150 counts on 3C138.
15:25 : Started phasing on 3C138.
15:30 : Started command file.

18:56 : ELECTRICAL POWER GLITCH. Stopped command file.
19:08 : Restarted command file.
        C05 Servo problem after power glitch, removed from GAC.

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19
# BEAM-1:175 :: C00 C01 C02 C03 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19

19:27 : ELECTRICAL POWER GLITCH AGAIN. Stopped command file.
19:37 : Restarted command file.

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19
# BEAM-1:175 :: C00 C01 C02 C03 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19

22:40 : Stopped command file.
22:41:31 : Started scan on B0611+22 for ~ 7.96358 min.
22:50:08 : Started scan on 0625+146 for ~ 5.10027 min.
         : W03 started fringing. W05 servo problem,C05 Servo Time out.
22:56:47 : Started scan on 3C138 for ~ 10.2527 min.
23:06:00 : Observation session over.
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