GTAC Observation Log 1. Date : 06/12/2015 2. Observation Sr. No. : 8229 3. Observer : Ishwara Chandra 4. Observer's Email : ishwar@ncra.tifr.res.in 5. Project Name : DDTUGA observation. 6. Project Code : DDTUGA4 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd/ishwar/ddt-06dec.cmd 9. LTA File : /gsbifrdata/06dec/ddtuga4_06dec2015.lta 10. LogFlag File : 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 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 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 # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 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 :29 32. Name of Non-Working Antennas (with reason for each) : W01 : BLDC 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Dec 2015 05:30:00 - 06 Dec 2015 05:55:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 00:47: Started scan on 3C147 ------------------------------------------------------------------------- 00:55: GSB data shows scintillation ------------------------------------------------------------------------- 01:01: Started scan on 3C148(scintillation) -------------------------------------------------------------------------- 01:23: Started command file. -------------------------------------------------------------------------- 02:05: E06 ABC time out. -------------------------------------------------------------------------- 05:36: Stopped command file. 05:39: Started scan on 3C147 05:55: Stopped scan and observation closed.