GTAC Observation Log

1. Date : 17/06/2017
2. Observation Sr. No. : 9494
3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu
4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com
5. Project Name : Towards precision pulsar timing with the upgraded GMRT
6. Project Code : 32_032
7. Operator(s) : Navnath, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/32_032/17jun17/obs.cmd
9. LTA File : /gwbifrdata1/17jun/32_032_suba4_17jun2017_1460lo.lta.1, /gwbifrdata1/17jun/32_032_suba4_17jun2017_1460lo.lta, /gwbifrdata1/17jun/32_032_suba3_17jun2017_850lo.lta, /gwbifrdata1/17jun/32_032_suba2_17jun2017_500lo.lta
10. LogFlag File : /odisk/online1/logflags/32_032C.FLAGS.1, /odisk/online1/logflags/32_032B.FLAGS.9, /odisk/online1/logflags/32_032.FLAGS.10

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51
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) :
C13 : : Ele run flag absent
C14 : : Structural repair

33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 Jun 2017 12:00:00 - 17 Jun 2017 16:25:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C04 C06 S01 W01 Total=5
# BEAM-1:175 :: C01 C04 C06 S01 W01 Total=5
# BEAM-2:130 :: C00 C05 C08 C10 C11 C12 E02 E04 E05 E06 S03 S04 S06 W03 W05 W06 Total=16
# BEAM-2:175 :: C00 C05 C08 C10 C11 C12 E02 E04 E05 E06 S03 S04 S06 W03 W05 W06 Total=16
# BEAM-3:130 :: C02 C03 C09 E03 S02 W02 Total=6
# BEAM-3:175 :: C02 C03 C09 E03 S02 W02 Total=6
# BEAM-4:130 :: Total=0
# BEAM-4:175 :: Total=0
-------------------------------------------------
-------------------------------------------------

------------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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF2  	: 500  500
GPU_DDCLO2  	: 0.0000  0.0000
GPU_SB2  	: 1 1
GCODE2  	: 32_032B
GPU_RF3  	: 850  850
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: 1 1
GCODE3  	: 32_032C
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 32_032
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: 4
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 64 inputs.
GPU_FILRFI  	: RFI Filterring OFF
----------------------------------------
----------------------------------------
12:00 : Started set-up.
12:38 : Started command file in subar 4.

   /odisk/gtac/cmd/32_032/17jun17/obs.cmd
      
16:20 : command file stopped
      : Observation session over.
-------------------------------------------