GTAC Observation Log 1. Date : 20/7/2013 2. Observation Sr. No. : 6614 3. Observer : Janardhan Padmanabhan,claude mercier,gilbert chambe,Prasad Subramanian,Susanta Kumar Bisoi,Subramaniam Ananthakrishnan 4. Observer's Email : jerry@prl.res.in,claude.mercier@obspm.fr,gilbert.chambe@obspm.fr,p.subramanian@iiserpune.ac.in,susanta@prl.res.in,subra.anan@gmail.com,bisoi.susanta@gmail.com 5. Project Name : 150 MHz Synthesis Imaging Using Simultaneous GMRT and NRH Observations 6. Project Code : 24_012 7. Operator(s) : Deepak,Manisha,Navanath,Pramod,Surender 8. Command File : /odisk/gtac/cmd/jerry/20jul13_150.cmd 9. LTA File : /gsbifrdata/20jul//24_012_20jul2013_16s.lta,/gsbifrdata/20jul//24_012_20jul2013_2s.lta, 10. LogFlag File : /odisk/online1/logflags/24_012.FLAGS.6, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 dB, 16 MHz,OFF GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 2 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : OFF, 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 16.67 MHz 23. Final BW : 16.666666 MHz; Step # 0 24. Maximum Channels : 128 25. Channel Numbers : 0:127:1 26. LO5 -1 : 138.00 27. LO5 -2 : 167.00 28. Frequency Parameters (TPA) : 156 156 218 218 62 62. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :28 31. Name of Non-Working Antennas (with reason for each) : E05 : BLDC Work. C14 : taken for CP work. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 08:30 - 17:13 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : 0.5 sec LTA file. /gsbifrdata1/20jul/24_012_20jul2013_0.5s.lta -------------------------------------------------- 08:30 : started setup. 08:50 : started scan on 3c48 ~15mins. 09:15 : command file started. 13:34 : C14 Started working. 16:51 : Stopped command file. 16:57 : Started scan on 3C286. 17:13 : Stopped scan and observing session over.