GTAC Observation Log 1. Date : 24/05/2016 2. Observation Sr. No. : 8603 3. Observer : Ramesh Bhat, Avinash Anant Deshpande, Samuel James McSweeney, Stephen Ord, Steven Tremblay 4. Observer's Email : ramesh.bhat@curtin.edu.au, desh@rri.res.in, sammy.mcsweeney@gmail.com, ord@physics.usyd.edu.au, steven.tremblay@curtin.edu.au 5. Project Name : Chasing the pulsar emission mechanism via sub-pulse drifting 6. Project Code : 30_086 7. Operator(s) : Navnath, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/23may/30_086_23may2016.lta 10. LogFlag File : /odisk/online1/logflags/30_086.FLAGS 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 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C02 : : BLDC work C10 : : MCM 14 Time out W06 : : Fiber Cut. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 May 2016 22:00:00 - 24 May 2016 01:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 22:00 : Started setup. 22:15 : Started power eq on 3c286 at 250 counts. 22:30 : Started phasing. 22:32 : Started scan on cal B1133+16 for 10 min. 23:04:09 : Started scan on 1833-210 for ~ 7.98595 min. 23:12:16 : Started scan on 1833-210 for ~ 8.05306 min. 23:20 : Removed E05 from GAC - IA. (No Fringe..?). GAC antennas: IA = All antennas (Except C02,E05,W06). = 27. PA = All CSQ (except C02) + W01,W02,E02,E03,S01,S02 = 19. 23:20:29 : Started scan on 1833-210 for ~ 3.087 min. 23:23:50 : Started scan on 1833-210 for ~ 3.72454 min. 23:27:40 : Started scan on 1833-210 for ~ 2.08037 min. 23:35:05 : Started scan on J1900-2600 for ~ 36.1716 min. 00:16:02 : Started scan on 1944+548 for ~ 2.31525 min. 00:18:38 : Started scan on 1944+548 for ~ 0.738197 min. 00:21:24 : Started scan on B1944+17 for ~ 39.7284 min. 01:00 : Stopped scan and closed observation.