GTAC Observation Log

1. Date : 31/08/2021
2. Observation Sr. No. : 13452
3. Observer : Renzhi Su, Elizabeth Kate Mahony, Elaine Sadler, James Richard Allison, Hyein Yoon, Vanessa Moss, YOGESH CHANDOLA, Minfeng Gu, Marcin Glowacki, Stephen John Curran, Matthew Whiting, Simon Weng, Zhongzu Wu, Xi Shao
4. Observer\'s Email : surz@shao.ac.cn, elizabeth.mahony@sydney.edu.au, ems@physics.usyd.edu.au, jallison.astro@gmail.com, hyein.yoon@sydney.edu.au, vmoss.astro@gmail.com, yogesh.chandola@gmail.com, gumf@shao.ac.cn, marcin@aapt.net.au, scurran.astro@gmail.com, Matthew.Whiting@csiro.au, swen2649@uni.sydney.edu.au, zzwu08@gmail.com, shaoxi@shao.ac.cn
5. Project Name : The neutral hydrogen outflow in IRAS 10565\\\\+2448
6. Project Code : 40_092
7. Operator(s) : Deepak, Navnath, Nilesh, Pramod, Shilpa, Shriram
8. Command File : /data1/gtac/cmd/40_092/obs.py
9. LTA File : /gwbifrdata/31aug/40_092_31aug2021_gwb.lta, /gsbifrdata/31aug/40_092_31aug2021_gsb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1352 MHz ,RF2 : 1352 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1290 MHz, ILO2 : 1290MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : TGC
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 : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 1352 1352 1290 1290 62 62
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C01 : Not releasing elevation brakes.
C08 : RF not getting set.
C11 : Servo timeout.
E03 : LMC down.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Aug 2021 07:45:00 - 31 Aug 2021 18:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 50
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1330  1330
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: 1 1
GCODE4  	: 40_092
GPU_CNTRL  	: 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  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------------------------------------------------
07:45 : Started settings.

08:09 : Started scan on 3C147.
08:19 : Stopped scan.

08:32 : \'/data1/gtac/cmd/40_092/obs.py\' command file started.
10:18 : C11 started working.
11:33 : Electrical failure to  all antennas.
11:34 : servo time out for C05 antenna.
11:38 : Electrical power recovered.
12:03 : C08 started working.
12:26 : Electrical failure to  all antennas.
12:32 : Electrical power recovered.
12:55 to 13:15 : As phase cal was transiting,Hence change track.
13:08 : W03 timeout.
13:15 to 13:25 :  AGN1 hung.
13:33 : 3C147 got set. changed flux cal to 3C286
13:27 : C05 started working.
17:42 : Started scan on 3C286 for ~ 17.3141 min.
18:00 : Observation session over.