GTAC Observation Log 1. Date : 21/11/2011 2. Observation Sr. No. : 5653 3. Observer : Subhashis Roy 4. Observer's Email : roy@ncra.tifr.res 5. Project Name : A Monitoring Program for Transient Radio Sources near the Galactic Center 6. Project Code : 21_065 7. Operator(s) : Deepak, Manisha, Navanath, Nilesh, Santaji, 8. Command File : /odisk/gtac/cmd/roy/gc.var.src.04nov11 9. LTA File : /gsbifrdata/21nov/21_065_21nov2011.lta 10. LogFlag File : /odisk/online1/logflags/21_065.FLAGS.4 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 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Full_Polar 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 : 8.053 Sec. 26. No of Antennas Working(Fringing) :27 27. Name of Non-Working Antennas (with reason for each) : E06 : 175 chann. Ripple. C14,W06,S04 : Painting 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 14:15 - 17:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 14:15 started setup. 14:30 Power equalised on G0.0+0 at count 450 with gain eq. OFF. (Total Intensity Mode) 14:35 Restarted GSB with GAIN EQ ON on source G1.3.0. 14:37 command file started. 16:00 : Node # 9 not getting 5Mhz clock. (C00,C01,C02,C03 175 pol No Fringe.) 16:09 : Problem fixed. Restarted GSB daschain. 16:15 : Restarted GSB. 16:38 : Stopped observation session.