GTAC Observation Log 1. Date : 03/09/2015 2. Observation Sr. No. : 8037 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) : Navnath, Rupsing 8. Command File : 9. LTA File : /gsbifrdata1/03sep/28_050_03sep2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/28_050.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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 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 : PA 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) : 1281 1281 1230 1230 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C00 : Rearrangement of Common rack. E06 : Servo problem. S02 : BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Sep 2015 17:40:00 - 03 Sep 2015 20:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 17:45:00 : Power eq on 3C286. 17:50:00 : Phasing on 3C286. 18:00:00 : Started observation 18:03:55 : Started scan on 3C286 for ~ 11.073 min. 18:20:38 : Started scan on 1714-252 for ~ 8.05306 min. 18:29:45 : Started scan on 1714-252 for ~ 1.07374 min. 18:30:56 : Started scan on 1714-252 for ~ 1.14085 min. 18:32:12 : Started scan on 1714-252 for ~ 0.268435 min. 18:36:31 : Started scan on 1714-252 for ~ 8.15372 min. 19:06:24 : Started scan on B1749-28 for ~ 5.26804 min. 19:12:42 : Started scan on B1800-21 for ~ 30.5009 min. 19:46:25 : Started scan on B1911-04 for ~ 5.06671 min. 19:55:18 : Started scan on 1714-252 for ~ 6.50955 min. 20:00 : Observation session over.