GTAC Observation Log 1. Date : 9/6/2012 2. Observation Sr. No. : 5978 3. Observer : S Roy 4. Observer's Email : roy@ncra.tifr.res.in,aritra@ncra.tifr.res.in,dmitra@ncra.tifr.res.in 5. Project Name : Low frequency observations of nearby normal galaxies. 6. Project Code : 22_020 7. Operator(s) : Deepak, Manisha, Santaji, 8. Command File : /odisk/gtac/cmd/aritra/22_020_09jun.cmd 9. LTA File : /gsbifrdata1/09jun/22_020_09jun2012.lta 10. LogFlag File : /odisk/online1/logflags/22_020.FLAGS 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 : 255 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,OFF, IF-CH2 : 4+12 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 306 306 255 255 51 51. 25. Integration Time : 4.027 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : S01,S06 : Painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 14:45 - 22:30 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 14:45 - Power equalise done @ 250 counts on 3C147. 14:48 : started scan on 3C147 ~ 10mins. 15:08 : command file started. 15:45 : due to HIGH winds stopped the observations. 16:50 : wind speed is normal, restarted the observations. 19:00 : S06 released for observation. 19:30 : S01 released for observation. 22:20 : Command file stopped. 22:22 : Started scan on 3C286. 22:30 : Observation stopped.