GTAC Observation Log 1. Date : 15/12/2015 2. Observation Sr. No. : 8255 3. Observer : Yogesh Maan 4. Observer's Email : ymaan@ncra.tifr.res.in 5. Project Name : Long-duration Study of Subpulse Modulations in Pulsars 6. Project Code : 29_090 7. Operator(s) : Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd/ 9. LTA File : /gsbifrdata1/14dec/29_090_14dec2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/29_090.FLAGS.6, /odisk/online1/logflags/29_090.FLAGS.5 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 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : PA 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C13 : CST python plate cutting work. W01 : BLDC. W05 : reflector surface measurement by theodolite. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Dec 2015 19:00:00 - 15 Dec 2015 00:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 19:10 : Power eq. on 3C48. 19:20 : Restarted GSB for gain ON. 19:30 : Phasing on 0025-260. -------------------------------------------------------------------------- 19:33:51 : Started scan on 0025-260 for ~ 6.03979 min. 19:41:48 : Started scan on B0031-07 for ~ 5.63714 min. 19:49:18 : Started scan on B0148-06 for ~ 4.52984 min. 19:54:01 : Started scan on B0148-06 for ~ 2.44947 min. 19:57:06 : Started scan on B0148-06 for ~ 125.225 min. 22:04:32 : Started scan on B0031-07 for ~ 2.31525 min. 22:08:00 : Started scan on 0025-260 for ~ 1.40928 min. 22:09:34 : Started scan on 0025-260 for ~ 1.34218 min. 22:11:10 : Started scan on 0025-260 for ~ 1.47639 min. 22:12:48 : Started scan on 0025-260 for ~ 0.603979 min. 22:14:35 : Started scan on B0031-07 for ~ 60.5657 min. 23:16:35 : Started scan on B0148-06 for ~ 38.5205 min. 23:59:41 : Started scan on B0031-07 for ~ 2.91923 min. 00:03 : Closed observation.