GTAC Observation Log 1. Date : 18/1/2014 2. Observation Sr. No. : 6913 3. Observer : Rachael Ainsworth,Anna Scaife,Tom Ray,David Alan Green,Jane V Buckle 4. Observer's Email : rainsworth@cp.dias.ie,a.scaife@soton.ac.uk,tr@cp.dias.ie,dag@mrao.cam.ac.uk,j.buckle@mrao.cam.ac.uk 5. Project Name : Low Frequency Radio Emission from the Youngest Low-Mass Protostars 6. Project Code : 25_072 7. Operator(s) : Nilesh, 8. Command File : /odisk/gtac/cmd/25_072/18jan2014.cmd 9. LTA File : /gsbifrdata/18jan/25_072_18jan2014.lta,/gsbifrdata/18jan/25_072_18jan2014.lta.1, 10. LogFlag File : /odisk/online1/logflags/25_072.FLAGS.6,/odisk/online1/logflags/25_072.FLAGS.7, 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. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : FullStokes 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 591 591 540 540 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : E04 : ABC time-out. W04 : No feed@610MHz. W02 : Painting. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 09:00 - 12:00 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 09:06 : Started scan on 3c286. 09:10 : Correlator (C00 to C03 - 175 pol) fringe vanished. 09:12 : Stopped Data Acquisition. 09:14 : Restarted Correlator Acquisition. 09:15 : Started scan on 3c286 for ~12min. 09:35 : Started command file. 11:40 : E04 released for observation. 11:46 : Stopped command file. 11:50 : Started scan on 3c468.1 for ~10min. 11:54 : Correlator (C00 to C03 - 175 pol) fringe vanished. 12:00 : Stopped scan and closed observation session.