GTAC Observation Log 1. Date : 20/08/2016 2. Observation Sr. No. : 8833 3. Observer : Giacintucci Simona, Tiziana Venturi, Ruta Kale 4. Observer's Email : simona@astro.umd.edu, tventuri@ira.inaf.it, ruta@ncra.tifr.res.in 5. Project Name : A comprehensive high-resolution study of radio minihalos (II) 6. Project Code : 30_065 7. Operator(s) : Navnath, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/30_065/20aug16/obs_aug20.cmd 9. LTA File : /gsbifrdata1/20aug/30_065_20aug2016.lta, /gwbifrdata1/20aug/30_065_20aug2016_gwb.lta.1, /gwbifrdata1/20aug/30_065_20aug2016_gwb.lta 10. LogFlag File : /odisk/online1/logflags/30_065.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1281 1281 1230 1230 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C12 : : 175 pol low fringe. C13 : : 130 pol lo fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 Aug 2016 02:30:00 - 20 Aug 2016 10:12:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 02:00 : Started set up. 02:28 : Started scan on 3C48. 02:43 : Stopped scan and started command file. '/odisk/gtac/cmd/30_065/20aug16/obs_aug20.cmd' 09:48 : Started scan on 3C147 for 12 min. 10:00 : Observation session over.