GTAC Observation Log 1. Date : 31/7/2013 2. Observation Sr. No. : 6636 3. Observer : Nissim Kanekar 4. Observer's Email : nkanekar@ncra.tifr.res.in 5. Project Name : Confirming the detection of two new redshifted HI-21cm absorbers with the new GMRT cone-dipole feeds 6. Project Code : ddtB091 7. Operator(s) : Navanath,Rupsingh,Surender 8. Command File : /odisk/gtac/cmd/nissim/1850+402.cmd 9. LTA File : /gsbifrdata/31jul/ddtb091_31jul2013.lta,/gsbifrdata/31jul/ddtb091_31jul2013.lta.1, 10. LogFlag File : /odisk/online1/logflags/DDTB091.FLAGS.2, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 484 MHz ,RF2 : 484 MHz, SA1 : 0 dB, SA2 : dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 545 MHz, ILO2 : 545 MHz , IVLO1 : 61 MHz, IVLO2 : 61 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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 : 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 : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 138.00 27. LO5 -2 : 167.00 28. Frequency Parameters (TPA) : 484 484 545 545 61 61. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :29 31. Name of Non-Working Antennas (with reason for each) : E05 : BLDC. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 18:00 - 04:45 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : Code dipple fringing antennas C04,C06,C08,C10,W01,W04,W06,E02,E06,S02,S04(Total 11 antennas) -------------------------------------------------------------- 18:00 : Started set up. 18:16 : Started command file. 22:51 : Stopped command file. ---------------------------------------------------------------- Halt the GSB start with new settings. 23:04 : Started command file. 23:04:04 : Started scan on 3C380 for ~ 5.90557 min. 23:11:01 : Started scan on 1755+578 for ~ 44.8287 min. 23:57:03 : Started scan on 3C380 for ~ 12.6165 min. 00:14:36 : Started scan on 3C48 for ~ 10.2005 min. 00:29:24 : Started scan on 3C380 for ~ 5.90557 min. 00:36:19 : Started scan on 1755+578 for ~ 44.8287 min. 01:22:22 : Started scan on 3C380 for ~ 5.63714 min. 01:29:10 : Started scan on 1755+578 for ~ 44.8287 min. 02:15:10 : Started scan on 3C380 for ~ 5.90557 min. 02:22:04 : Started scan on 1755+578 for ~ 44.8287 min. 03:08:05 : Started scan on 3C380 for ~ 5.90557 min. 03:15:03 : Started scan on 1755+578 for ~ 29.2594 min. 03:45:16 : Started scan on 3C380 for ~ 22.5486 min. 04:12:44 : Started scan on 3C48 for ~ 32.2122 min. 04:45 : observing session over. --------------------------------------------------------------