GTAC Observation Log

1. Date : 08/07/2023
2. Observation Sr. No. : 15591
3. Observer : Takayuki J HAYASHI, Hiroshi Nagai, Akihiro Doi
4. Observer\'s Email : t.hayashi@nao.ac.jp, hiroshi.nagai@nao.ac.jp, akihiro.doi@vsop.isas.jaxa.jp
5. Project Name : Do quasars with accretion disk wind have the same central engines with normal quasars? II
6. Project Code : 44_007
7. Operator(s) : Deepak, Navnath, Sachin, Shriram
8. Command File : /data1/gtac/cmd/44_007/44_007_08Jul2023_1400_cmd.py
9. LTA File : /gwbifrdata1/08jul/44_007_08jul2023_b5_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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/TGC
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) : 1409 1409 1460 1460 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :

C04 : Taken for mechanical maintenance.
S04 : Taken for maintenance.
W02 : LMC down.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 08 Jul 2023 14:00:00 - 08 Jul 2023 22:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 44_007
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
14:00 : Started settings.
14:21 : Started command file,
       \'/data1/gtac/cmd/44_007/44_007_08Jul2023_1400_cmd.py\'

15:50 : W02 and C04 released for observation.
      : S03 and S04 intermediate tracking problem
22:00 : Observation session over.