GTAC Observation Log

1. Date : 27/01/2024
2. Observation Sr. No. : 16326
3. Observer : Arshia Maria Jacob, Meera Nandakumar, Karl M. Menten, Nirupam Roy
4. Observer\'s Email : ajacob51@jhu.edu, meeranandakumar93@gmail.com, kmenten@mpifr.de, roy.nirupam@gmail.com
5. Project Name : Continuing the hunt for rotationally excited CH
6. Project Code : 45_107
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/45_107/45_107_27Jan2024_0700_cmd.py
9. LTA File : /gsbifrdata/27jan/45_107_27jan2024_b4_gsb.lta, /gsbifrdata1/27jan/45_107_27jan2024_b4_gsb.lta, /gwbifrdata2/27jan/45_107_27jan2024_b4_gwb.lta
10. LogFlag File :   

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 666 MHz ,RF2 : 666 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 615 MHz, ILO2 : 615MHz , 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) : 666 666 615 615 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :30

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

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Jan 2024 07:00:00 - 27 Jan 2024 12:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
07:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 50
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 685  685
GPU_DDCLO4  	: 50.000000  50.000000
GPU_SB4  	: 1 1
GCODE4  	: 45_107
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  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------

07:19 : Started command file.
             /data1/gtac/cmd/45_107/45_107_27Jan2024_0700_cmd.py
08:10 : Noticed that, DDCLO did not get provided to 50, instead it was given as 0, Stopped command file DDCLO set to 50. 

         Scan # 0,1 and 2 are bad due to DDCLO not provided.

08:18 : restarted command file. 
10:37 : S03 taken for mechanical work.
12:00 : Stopped command file and observation closed.