GTAC Observation Log 1. Date : 27/08/2017 2. Observation Sr. No. : 9706 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) : Nilesh 8. Command File : /odisk/gtac/cmd/31_037/27aug17/obs_27aug_s4.cmd 9. LTA File : /gsbifrdata1/27aug/31_037_26aug2017.lta, /gwbifrdata1/27aug/31_037_26aug2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/TEST.FLAGS.4500, /odisk/online1/logflags/31_037.FLAGS.14 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W03 : : No Fringe. E05 : : Fringe Fluctuations. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Aug 2017 23:00:00 - 27 Aug 2017 06:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 23:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 2 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 -------------------------------- 23:18 : Started scan on 3C48 for ~ 15 min. 23:35 : Started command file. /odisk/gtac/cmd/31_037/27aug17/obs_27aug_s4.cmd 03:40 : Target source and phase cal both set below horizon. Stopped command file. 03:46 : Started can on 3C48 for ~ 23 min. 04:10 : Stopped scan and observation closed.