GTAC Observation Log

1. Date : 25/05/2018
2. Observation Sr. No. : 10283
3. Observer : Ruta Kale, Andrea Botteon, Gianfranco Brunetti, D Eckert
4. Observer's Email : ruta@ncra.tifr.res.in, botteon@ira.inaf.it, brunetti@ira.inaf.it, Dominique.Eckert@obs.unige.ch
5. Project Name : Constraining particle acceleration in the high redshift cluster El Gordo using the U-GMRT
6. Project Code : 33_030
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/33_030/14may18/obs_14may.cmd
9. LTA File : /gsbifrdata1/25may/33_030_25may2018_gsb.lta, /gwbifrdata/25may/33_030_25may2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/33_030.FLAGS.10

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
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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C12 : : Servo problem.
W02 : : Intermittent servo problem.
W03 : : Feed jammed.
C08,C11,E04,W05,W06 : Low self power in GWB Only.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 May 2018 07:00:00 - 25 May 2018 12:30:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
-----------------------------------------------------------------------
----------------------------------------------------------------------
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 33_030
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 64 inputs.
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
07:01:33 : Started scan on 3C48 for ~ 9.39523 min.
07:15:21 : Started scan on 0116-208 for ~ 4.83183 min.
07:28:37 : Started scan on 0116-208 for ~ 4.83183 min.
07:35:15 : Started scan on EL-GORDO for ~ 30.3332 min.
08:07:43 : Started scan on 0116-208 for ~ 4.83183 min.
08:14:24 : Started scan on EL-GORDO for ~ 30.3332 min.
08:46:52 : Started scan on 0116-208 for ~ 4.83183 min.
08:53:38 : Started scan on EL-GORDO for ~ 30.3332 min.
09:26:13 : Started scan on 0116-208 for ~ 4.83183 min.
09:33:04 : Started scan on EL-GORDO for ~ 30.3332 min.
10:05:40 : Started scan on 0116-208 for ~ 4.83183 min.
10:12:28 : Started scan on EL-GORDO for ~ 30.3332 min.
10:16 : C12 started working.
10:44:58 : Started scan on 0116-208 for ~ 4.83183 min.
10:51:46 : Started scan on EL-GORDO for ~ 30.6016 min.
11:00 : GAB setup got disturbed accidentally from receiver room,
so scans after 11:00 are bad. While GSB data is good.
11:24:11 : Started scan on 0116-208 for ~ 4.83183 min.
11:25 : S02 taken for painting work.
11:44 : Recoverd GAB, took scan on phase cal for 5 mins.
11:44:15 : Started scan on 0116-208 for ~ 5.90557 min.
11:54:47 : Started scan on 3C48 for ~ 10.2005 min.
12:08:41 : Started scan on 3C147 for ~ 9.9321 min.
12:20 : Closed observation session.