GTAC Observation Log 1. Date : 06/5/2011 2. Observation Sr. No. : 5314 3. Observer : Nissim Kanekar 4. Observer's Email : nkanekar@ncra.tifr.res.in 5. Project Name : 1009+0713 6. Project Code : 20_074 7. Operator(s) : Deepak, Manisha, Navanath, 8. Command File : /odisk/gtac/cmd/nissim/1009+0713.cmd, /odisk/gtac/cmd/nissim/1619+3342.cmd 9. LTA File : /gsbifrdata/06may/20_074_06may2011.lta, /gsbifrdata/06may/20_074_06may2011.lta.1, /gsbifrdata/06may/20_074_06may2011.lta.2, /gsbifrdata/06may/20_074_06may2011.lta.3 10. LogFlag File : /odisk/online1/logflags/20_074.FLAGS.2, /odisk/online1/logflags/20_074.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1261 MHz ,RF2 : 1261 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1210 MHz, ILO2 : 1210 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. Maximum Channels : 512 15. Final Bandwidth (MHz): OFF MHz; Step # 0 16. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. Frequency Parameters (TPA) : 1261 1261 1210 1210 51 51. 21. Integration Time : 16.106 Sec. 22. No of Antennas Working(Fringing) :24 23. Name of Non-Working Antennas (with reason for each) : E-arm : Fibre cut. C11 : Painting. C09-130 : low fringe. 24. Note for Backup :-- 25. Start and End Time of Obs.(IST): 17:00 - 09:00 26. ONLINE Machine : Shivneri 27. Comments (During Observations) : 17:21 : Started command file /odisk/gtac/cmd/nissim/1009+0713.cmd 19:50 : Command file stopped. 20:00 : Started scan on 3C286 for 10mins. 20:10 : Settings changed LO1=1230MHz tpa 1281 1281 1230 1230 51 51 20:35 : E03,E04,E05 and E06 started working. 20:45 : Started scan on 3C286 for 10mins. 20:55 : Started command file /odisk/gtac/cmd/nissim/1619+3342.cmd 00:20 : cmd file stopped. 00:27 : Started scan on 3C286 for 10min 00:33 : Started E02 Working 09:20 : observation session over.