GTAC Observation Log

1. Date : 04/03/2023
2. Observation Sr. No. : 15188
3. Observer : Sangita Kumari, Bhaswati Bhattacharyya, Devojyoti Kansabanik, Jayanta Roy
4. Observer\'s Email : skumari@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, dkansabanik@ncra.tifr.res.in, jroy@ncra.tifr.res.in
5. Project Name : Investigating variations of dispersion measure for the spider MSPs and its possible implications towards the timing studies
6. Project Code : 43_093
7. Operator(s) : Nilesh, Shilpa, Shriram, Surender
8. Command File : /data1/gtac/cmd/43_093/43_093_04Mar2023_0600_cmd.py
9. LTA File : /gwbifrdata1/04mar/43_093b_04mar2023_subar2_b4_gwb.lta, /gwbifrdata1/04mar/43_093a_04mar2023_subar1_b3_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 : 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): 04 Mar 2023 06:00:00 - 04 Mar 2023 13:09:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :30

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 8
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_RF3  	: 500  500
GPU_DDCLO3  	: 0.000000  0.000000
GPU_SB3  	: -1 -1
GCODE3  	: 43_093A
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 43_093B
GPU_CNTRL  	: TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
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  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 E02 E03 S01 S02 W01 Total=12
# BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 E02 E03 S01 S02 W01 Total=12
# BEAM-2:130 :: C08 C09 C10 C11 C12 C13 C14 E04 E05 S03 S04 W02 W03 W04 Total=14
# BEAM-2:175 :: C08 C09 C10 C11 C12 C13 C14 E04 E05 S03 S04 W02 W03 W04 Total=14
--------------------------------------------------------------------------
06:00 : Started settings.
06:23 : \'/data1/gtac/cmd/43_093/43_093_04Mar2023_0600_cmd.py\' command file started.
09:50 : C08 applied brakes. Removed from GAC and scan restarted.
10:00 : S01 taken for painting. Removed from GAC and scan restarted.10:40

10:40 : C08 released brakes. Added to GAC
13:10 : Command file stopped and observation session over.
--------------------------------------------------------------------------