GTAC Observation Log 1. Date : 28/05/2015 2. Observation Sr. No. : 7806 3. Observer : Yogesh Maan 4. Observer's Email : ymaan@ncra.tifr.res.in 5. Project Name : An extensive study of single pulse modulations of J1819\\+1305 6. Project Code : 27_069 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/27may/27_069_27may2015_2s.lta.1,/gsbifrdata1/27may/27_069_27may2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/27_069.FLAGS.2,/odisk/online1/logflags/27_069.FLAGS.1 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 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Full_Stokes 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 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 :25 32. Name of Non-Working Antennas (with reason for each) : C04 : Maintenance. E05 : Maintenance. S02 : Servo time out. S03 : MCM -5 time out. S04 : BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 May 2015 23:00:00 - 28 May 2015 06:40:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 23:20 : Power eq on 3C286. 23:30 : Phasing on 3C298. -------------------------------------------------------------------------- RF: 325MHz,IF:32MHz,Chan:512,IA and PA Tatal intensity. -------------------------------------------------------------------------- IA:- C00,C01,C02,C03,C05,C06,C08,C09,C10,C11,C12,C13,C14 E02,E03,E04,E06,W01,W02,W03,W04,S01,S06 -------------------------------------------------------------------------- PA:- C00,C01,C02,C03,C05,C06,C08,C09,C10,C11,C12,C13,C14 E02,W01,S01 -------------------------------------------------------------------------- 23:35:00 : Started observation. 23:35:31 : Started scan on 3C298 for ~ 1.34218 min. 23:40:28 : Started scan on 3C298 for ~ 7.18064 min. 23:51:46 : Started scan on B1642-03 for ~ 2.68435 min. 23:58:00 : Started scan on B1929+10 for ~ 3.59032 min. 00:03:20 : Started scan on J1819+1305 for ~ 150.391 min. 02:37:10 : Started scan on B1929+10 for ~ 3.69098 min. 02:47:11 : Started scan on 3C298 for ~ 1.64417 min. 02:48:59 : Started scan on 3C298 for ~ 0.402653 min. 02:50:45 : Started scan on 3C298 for ~ 5.93913 min. 03:02:34 : Started scan on B1929+10 for ~ 3.62388 min. 03:10:56 : Started scan on J1819+1305 for ~ 122.071 min. 05:15:15 : Started scan on B1929+10 for ~ 3.42255 min. ------------------------------------------------------------------------- ** FULL-STOKES MODE (4 STOKES, 16 MHZ, 256 CHANNELS) ** ------------------------------------------------------------------------- 05:30 : Power eq and phasing on 1822-096. 05:40:00 : Started observation 05:40:14 : Started scan on 1822-096 for ~ 0.905969 min. 05:43:47 : Started scan on B1929+10 for ~ 3.75809 min. 05:49:33 : Started scan on J1819+1305 for ~ 45.3655 min. 06:36:29 : Started scan on B1929+10 for ~ 3.65743 min.