GTAC Observation Log

1. Date : 21/09/2018
2. Observation Sr. No. : 10544
3. Observer : pavan kumar vishwakarma, Prasun Dutta, Nirupam Roy, Somnath Bharadwaj, Preetha Saha
4. Observer's Email : pavankv.rs.phy15@itbhu.ac.in, pdutta.phy@itbhu.ac.in, roy.nirupam@gmail.com, somnath@phy.iitkgp.ernet.in, preethasaha06@gmail.com
5. Project Name : Mapping structure in the Cold Neutral Medium and Supernovae Remnants
6. Project Code : 34_095
7. Operator(s) : Deepak, Nilesh, Pramod, Shilpa
8. Command File : /odisk/gtac/cmd/34_095/20sep18/pavan1.cmd,, /odisk/gtac/cmd/34_095/20sep18/pavan2.cmd
9. LTA File : /gsbifrdata1/20sep/34_095_20sep2018_gsb.lta, /gwbifrdata/20sep/34_095_20sep2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_095.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1427.8748 MHz ,RF2 : 1427.8748 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1490 MHz, ILO2 : 1490MHz , IVLO1 : 62.1252 MHz, IVLO2 : 62.1252 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz
24. Final BW : 2 MHz; Step # 4
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 137.8748
28. LO5 -2  : 167.1252

29. Frequency Parameters (TPA) : 1427.8748 1427.8748 1490 1490 62.1252 62.1252
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C14 : Servo problem.
W06 : Low fringe due to surface refurbishment work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Sep 2018 20:00:00 - 21 Sep 2018 04:10:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
------------GWB Setting----------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 2
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 25.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 19.0000  19.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_095
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
---------------------------------------------------------------------------
20:02 : Started scan on 3C468.1 for ~ 5.10027 min.

20:10 : '/odisk/gtac/cmd/34_095/20sep18/pavan1.cmd' command file started.
22:19 : Stopped command file.

22:22 : Started scan on 3C48 for ~ 12.2138 min.
22:46 : Started scan on J0120-153 for ~ 15 min.

23:05 : '/odisk/gtac/cmd/34_095/20sep18/pavan2.cmd' command file started.

03:33 : Stopped command file.
03:42 : Started scan on J0120-153 for ~ 10 mins.
03:55 : Started scan on 3C48 for ~ 10 mins.
04:05 : Stopped scan and observation closed.