GTAC Observation Log

1. Date : 30/12/2023
2. Observation Sr. No. : 16238
3. Observer : Gabriele Bruni, Piconcelli, Francesca Panessa, Javier Moldon, Miguel Perez-Torres, Cristian Vignali, Giustina Vietri
4. Observer\'s Email : gabriele.bruni@inaf.it, enrico.piconcelli@inaf.it, francesca.panessa@iaps.inaf.it, jmoldon@iaa.es, torres@iaa.es, cristian.vignali@unibo.it, giustina.vietri@inaf.it
5. Project Name : Radio WISSH: tuning on the most luminous quasars in the Universe
6. Project Code : 45_019
7. Operator(s) : Nilesh, Shriram
8. Command File : /data1/gtac/cmd/45_019/45_019_30Dec2023_1300_cmd.py
9. LTA File : /gsbifrdata1/30dec/45_019_30dec2023_b4_gsb.lta, /gwbifrdata/30dec/45_019_30dec2023_b4_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 : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C01 : Servo problem.
E04 : Servo problem
W02 : LMC down,
W06 : Optical fiber cut.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Dec 2023 13:00:00 - 30 Dec 2023 20:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

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  	: 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  	: 45_019
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
--------------------------------
13:00 : Started settings.
13:30 : Started command file,
       \'/data1/gtac/cmd/45_019/45_019_30Dec2023_1300_cmd.py\'
14:58 : South arm power failure. All S-arm antennas shifted to DGset power.

15:15 : Electrical power restored back.

16:20 : SOME OF THE TARGET SOURCE GETTING SET BELOW HORIZON, DID not COMPLETE SCANS FOR REQUIRED TIME DURATION AS MENTIONED IN PLAN FILE.
NEED TO SKIP THOSE WHICH GOT ALREADY SET.


17:15 : C01, W02 and E04 Started working.

19:50 : Command file stopped and observation over.