GTAC Observation Log

1. Date : 05/03/2021
2. Observation Sr. No. : 12954
3. Observer : Ewan O`Sullivan, Gerrit Schellenberger, Jan M. Vrtilek, Laurence Paul David
4. Observer\'s Email : eosullivan@cfa.harvard.edu, gerrit.schellenberger@cfa.harvard.edu, jvrtilek@cfa.harvard.edu, ldavid@head.cfa.harvard.edu
5. Project Name : Understanding AGN-driven uplift and cooling in the high-velocity merging group NGC 6338
6. Project Code : 39_009
7. Operator(s) : Sachin, Shilpa, Shriram, Surender
8. Command File : /data1/gtac/cmd/39_009/obs.py
9. LTA File : /gsbifrdata1/05mar/39_009_05mar2021_gsb.lta, /gwbifrdata2/05mar/39_009_05mar2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : IA
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.


33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Mar 2021 05:00:00 - 05 Mar 2021 11:11:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :25

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 39_009
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  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 16
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
05:00 : Started set-up.
05:16 : Started scan on 3C286 for ~ 8.3687 min.
05:28 : Started command file.
           /data1/gtac/cmd/39_009/obs.py

09:45 : Arm antenna electrical power went.
        C05, C06, C11 ,C13, E06, W01,W02,W03,W06 applied brakes.

10:03 : C05, C06, C11, E06 recovered. 
10:10 : Power restored.
10:24 : W01,W02 restored.
10:31 : E02 antenna taken for maintenance.
10:35 : S03 taken for maintenance.
10:52 : Stopped command file.
11:01 : Started scan on 3C48 ~10 min.
11:11 : Scan stopped and observing session over.