GTAC Observation Log

1. Date : 30/05/2021
2. Observation Sr. No. : 13138
3. Observer : Rupak Roy, Poonam Chandra, Nayana AJ
4. Observer\'s Email : rupakroy1980@gmail.com, poonam@ncra.tifr.res.in, nayan89deva@gmail.com
5. Project Name : A request for uGMRT Band-4 & Band-5 observations of the TDE AT2020zso
6. Project Code : ddtC181
7. Operator(s) : Navnath, Rupsing, Surender
8. Command File : /data1/gtac/cmd/ddtc181/obs.py
9. LTA File : /gsbifrdata/30may/ddtc181_30may2021_gsb.lta, /gwbifrdata1/30may/ddtc181_30may2021_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 : 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 : 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 :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C00 : Servo problem
E06 : GAB disconnected.
C10 : Feed jam.
S03 : No fringe in GSB @130 pole
33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 May 2021 06:00:00 - 30 May 2021 10:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :26

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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 725 725
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: DDTC181
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  	: Voltage Detection
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
06:00:00 : Started setup.
06:15:00 : Power eq done.
           RF default settings applied. 
06:20:00 : Started cmd file.
06:24:32 : Started scan on 3C48 for ~ 8.85836 min.
06:35:00 : AGN1 hung due C11 LMC Time out.
         : restarted agn1
06:45:00 : Restarted cmd file
           /data1/gtac/cmd/ddtc181/obs.py
10:04:00 : Stopped command file and observation closed.