GTAC Observation Log

1. Date : 04/07/2021
2. Observation Sr. No. : 13266
3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, Mayuresh Surnis, Manjari Bagchi, Krishnakumar MA
4. Observer\'s Email : ymaan4@gmail.com, bcj@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, manjari.bagchi@gmail.com, kk.ambalappat@gmail.com
5. Project Name : Low-frequency monitoring of the Magnetar XTE 1810-197
6. Project Code : 40_015
7. Operator(s) : Navnath
8. Command File : /data1/gtac/cmd/40_015/04jul/obs1.py
9. LTA File : /gwbifrdata2/04jul/40_015_04jul2021_band3_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W01 : : Servo problem.
W06 : Stopped tracking
33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 Jul 2021 00:00:00 - 04 Jul 2021 01:15:00

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  	: 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  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 470  470
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 40_015
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 64
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_ENV  	: RELEASED
--------------------------------
23:50:00 : Stared setup.
00:01:33 : Started scan on 1822-096 for ~ 2.5054 min.
00:05:31 : Started scan on 1822-096 for ~ 1.34218 min.
         : power eq and GAC config done.

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18

00:07:00 : started cmd file
         /data1/gtac/cmd/40_015/04jul/obs1.py
00:10:38 : Started scan on 1822-096 for ~ 5.8161 min.
00:16:47 : Started scan on 1822-096 for ~ 0.626349 min.
00:18:42 : Started scan on 1822-096 for ~ 2.058 min.
00:22:16 : Started scan on J1809-1943 for ~ 25.054 min.
00:50:49 : Started scan on B1929+10 for ~ 3.13174 min.
00:57:11 : Started scan on 1822-096 for ~ 2.058 min.
01:04:59 : Started scan on 3C454 for ~ 2.41592 min.
01:07:39 : Started scan on 3C454 for ~ 0.715827 min.
01:08:39 : Started scan on 3C454 for ~ 3.13174 min.
01:13:13 : Started scan on 3C454OFF for ~ 1.96852 min.
01:15:00 : Observation session.
-------------------------------------------------------------
Note : Slewing time is not considered in setup.
     : Over expected and very tightly scheduled time.
     : Total time required is ~85 minutes.
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