GTAC Observation Log 1. Date : 24/08/2014 2. Observation Sr. No. : 7309 3. Observer : Aritra Basu, Sambit Roychowdhury, Narendranath Patra 4. Observer's Email : aritra@ncra.tifr.res.in, sambit@ncra.tifr.res.in, narendra@ncra.tifr.res.in 5. Project Name : The resolved radio--FIR correlation in dwarf irregular galaxies 6. Project Code : 26_026 7. Operator(s) : Deepak, Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/narendra/26_026_24aug14.cmd 9. LTA File : /gsbifrdata/24aug/26_026_24aug2014.lta 10. LogFlag File : /odisk/online1/logflags/26_026.FLAGS.6 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 : 20+14 dB, 32 MHz,OFF, IF-CH2 : 20+14 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 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 : 33.333333 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E02 : Servo time out S01 : Servo time out. W05 : BLDC installation. W01 : Low Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Aug 2014 08:00:00 - 24 Aug 2014 20:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 08:00 : Started settings for observation. 325 MHz, Default ALC's OFF, GSB GAIN OFF, 512 Channels, PowerEq @ 300 counts on 3c147, and then GSB GAIN ON. 08:31 : Started scan on 3c147 for ~12min. 08:46 : Started command file. 10:40 : E02 released for observation. 11:19 : E02 Started working. 11:24 : S01 released for observation. 11:58 : S01 Started working. 12:40 : C02 taken for maintenance. 13:01 : C02 released for observation. 15:08 : W02 applied brakes. 17:00 : W02 and C03 started working. 18:36 : C03 applied brakes. 19:53 : Stopped command file. 19:57 : Started scan on 3C286. 20:27 : Stopped scan and observation session is over.