GTAC Observation Log 1. Date : 16/08/2015 2. Observation Sr. No. : 7994 3. Observer : Rahul Basu, Jaroslaw Kijak, Wojciech Lewandowski, Karolina Rozko 4. Observer's Email : rahul@astro.ia.uz.zgora.pl, jkijak@astro.ia.uz.zgora.pl, boe@astro.ia.uz.zgora.pl, krozko@gmail.com 5. Project Name : Gigahertz Peaked Spectra in Vela like Pulsars using Interferometric Imaging. 6. Project Code : 28_050 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd/28_050/28_050_15aug2015.cmd 9. LTA File : /gsbifrdata1/15aug/28_050_15aug2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/28_050.FLAGS.3 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 : 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 : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E02 : Taken for BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Aug 2015 16:00:00 - 16 Aug 2015 02:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 16:00 : Started set up. 16:25 : Power equalized on 3C286 at 250 counts. 16:30:34 : Started scan on 3C286 for ~ 14.4284 min. 16:54:10 : Started scan on 1714-252 for ~ 12.4151 min. 17:07:18 : Started scan on 1714-252 for ~ 1.24151 min. 17:08:37 : Started scan on 1714-252 for ~ 1.50995 min. 17:10:15 : Started scan on 1714-252 for ~ 1.24151 min. 17:12:49 : Started scan on 1714-252 for ~ 13.5224 min. 17:28:06 : Started scan on B1800-21 for ~ 40.9028 min. 18:11:33 : Started scan on 1714-252 for ~ 8.95902 min. 18:21:18 : Started scan on 1714-252 for ~ 1.37573 min. 18:22:48 : Started scan on 1714-252 for ~ 0.805306 min. 18:25:03 : Started scan on 1714-252 for ~ 7.04642 min. 18:34:05 : Started scan on B1800-21 for ~ 21.2399 min. 19:00:45 : Started scan on 1714-252 for ~ 7.38197 min. 19:09 : Stopped pulsar observation and started command file. /odisk/gtac/cmd/28_050/28_050_15aug2015.cmd 02:00:00 : Stopped command file and observing session is over.