GTAC Observation Log 1. Date : 08/11/2017 2. Observation Sr. No. : 9844 3. Observer : Reinout Johannes vanWeeren, Huib T Intema, Dharam Vir Lal, Christine Jones, william richard forman, Georgiana Ogrean, Francesco deGasperin, Annalisa Bonafede, Marcus Bruggen, Tracy Clarke 4. Observer's Email : rvanweeren@cfa.harvard.edu, intema@strw.leidenuniv.nl, dharam@ncra.tifr.res.in, cjf@head.cfa.harvard.edu, wrf@cfa.harvard.edu, georgiana.ogrean@gmail.com, astro@voo.it, annalisa.bonafede@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de, tracy.clarke@nrl.navy.mil 5. Project Name : uGMRT Observations of the HST Frontier Fields Clusters 6. Project Code : 31_037 7. Operator(s) : Deepak, Nilesh, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/31_037/08nov17/obs_s3.cmd 9. LTA File : /gsbifrdata/08nov/31_037_08nov2017.lta, /gwbifrdata2/08nov/31_037_08nov2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/31_037.FLAGS.15 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_lenyadri 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) : C01 : : Frequent servo problem. C03 : : Frequent servo problem. E06 : : Frequent servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Nov 2017 02:50:00 - 08 Nov 2017 09:56:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 02:45 : Started settings. ------------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 : 31_037 GPU_CNTRL : ONLINE GPU_FSTOP : ON --------------------------------------------------------------------------- 02:56 : Started scan on 3C147. 03:45 : Stopped scan. 03:54 : Started command file. /odisk/gtac/cmd/31_037/08nov17/obs_s3.cmd 07:06 : C01 and C03 started working. 08:53 : Stopped command file. 08:58 : Started scan on 3C286 for 15min (3C147 not available). 09:16 : C14 and W05 taken for painting. 09:34 : Restarted command file. 09:56 : Stopped command file and observing session over.