GTAC Observation Log 1. Date : 8/2/2013 2. Observation Sr. No. : 6366 3. Observer : Scott Hyman 4. Observer's Email : shyman@sbc.edu 5. Project Name : Low frequency probe of the supermassive black hole region at the Galactic Center 6. Project Code : 13DT005 7. Operator(s) : Navanath, Nilesh, Sachin, 8. Command File : /odisk/gtac/cmd/scott/ddt08feb.cmd, 9. LTA File : /gsbifrdata/08feb/13dt005_08feb2013_16s.lta, 10. LogFlag File : /odisk/online1/logflags/13DT005.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 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. 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 : 512 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 591 591 540 540 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : C04 : Taken for Servo motor replacement. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 06:20 - 09:30 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 06:20 : Started setting for DDT observation. 06:31 : Started scan on 3C286 for 15min 06:46 : scan stopped. 06:53 : Started cmd file. /odisk/gtac/cmd/scott/ddt08feb.cmd 08:19 : W05 taken for painting. 08:57 : Stopped command file. 08:58 : Started scan on 1714-252 for 5min. 09:08 : Started scan on 3c286 for ~3min. 09:15 : Started scan on 3c286 for ~15min. 09:30 : Stopped observation session.