GTAC Observation Log 1. Date : 27/7/2013 2. Observation Sr. No. : 6629 3. Observer : Subhashis Roy,David Alan Green,Sabyasachi Pal,Mayuresh Surnis,BHAL CHANDRA JOSHI 4. Observer's Email : roy@ncra.tifr.res.in,dag@mrao.cam.ac.uk,sabya@csp.res.in,msurnis@gmail.com,bcj@ncra.tifr.res.in 5. Project Name : Confirming candidate supernova remnants in the Galactic fourth quadrant with GMRT 6. Project Code : 24_044 7. Operator(s) : Navanath,Pramod,Surender 8. Command File : /odisk/gtac/cmd/roy/24_044.27jul.gr2.cmd 9. LTA File : /gsbifrdata/27jul/24_044_27jul2013_8s.lta, 10. LogFlag File : /odisk/online1/logflags/24_044.FLAGS.9, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 14 dB, SA2 : 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 : 4+12 dB, 32 MHz,OFF, IF-CH2 : 4+12 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : TotIntensity 20. Beam - 1 : IA 21. Beam - 2 : PA 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 306 306 255 255 51 51. 29. Integration Time : 8.053056 Sec. 30. No of Antennas Working(Fringing) :29 31. Name of Non-Working Antennas (with reason for each) : E05 : BLDC Work. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 18:50 - 02:00 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : IA GAC configuration All antenna except C04 and E05 (Total no. of antenna are 28) ---------------------------------------------------------------------------- 18:50 : Started set up for 325MHz. 19:08 : Power and phasing done on G9.0-0.1. 19:14 : Started command file as given bellow. '/odisk/gtac/cmd/roy/24_044.27jul.gr2.cmd' 20:30 : Stopped command file. 20:31 : Started command file. '/odisk/gtac/cmd/roy/24_044.27jul.gr1.cmd' 22:40 : Stopped command file. 22:40 : Started command file. '/odisk/gtac/cmd/roy/24_044.27jul.gr2.cmd' 00:03 : Started command file /odisk/gtac/cmd/roy/24_044.27jul.extra.src.cmd 01:22 : Started scan on 3c48. 02:00 : Observation stopped.