GTAC Observation Log

1. Date : 20/01/2019
2. Observation Sr. No. : 10823
3. Observer : pavan kumar vishwakarma, Prasun Dutta, Nirupam Roy, Somnath Bharadwaj, Preetha Saha
4. Observer's Email : lookpavan@gmail.com , 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 : 35_006
7. Operator(s) : Sachin, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/20jan/35_006_20jan2019_gsb.lta, /gwbifrdata2/20jan/35_006_20jan2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/35_006.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1427.7915 MHz ,RF2 : 1427.7915 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1490 MHz, ILO2 : 1490MHz , IVLO1 : 62.2085 MHz, IVLO2 : 62.2085 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 : 16.666666 MHz
24. Final BW : 2 MHz; Step # 3
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 137.7915
28. LO5 -2  : 167.2085

29. Frequency Parameters (TPA) : 1427.7915 1427.7915 1490 1490 62.2085 62.2085
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C02 : Taken for painting.
S04 : Servo problem.
GAB : E06,S01,S02,S03 GAB bandshape is low (GWB)

33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Jan 2019 13:00:00 - 20 Jan 2019 22:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :30

37. Comments (During Observations) :
13:00 : Started set-up.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
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  	: 1460  1460
GPU_DDCLO4  	: 29.0000  29.0000
GPU_SB4  	: 1 1
GCODE4  	: 35_006
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
--------------------------------
13:30 : Started command file.
14:30 E06,S01,S02,S03 started working for GAB,GWB.
17:39 : C02 & S04 started working.
21:00 : Stopped command file.
21:02 : Started command file pavan2.cmd
22:00 : Stopped command file and observing session over.