GTAC Observation Log 1. Date : 18/4/2011 2. Observation Sr. No. : 5285 3. Observer : Jayanta Roy 4. Observer's Email : jroy@ncra.tifr.res.in 5. Project Name : pulsar observation. 6. Project Code : 20_080 7. Operator(s) : Navanath, Nilesh, Sachin, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata/19apr/20_080_19apr2011.lta, /gsbifrdata/19apr/20_080_19apr2011.lta.1, /gsbifrdata/19apr/20_080_19apr2011.lta.2, 10. LogFlag File : /odisk/online1/logflags/20_080.FLAGS, /odisk/online1/logflags/20_080.FLAGS.1, /odisk/online1/logflags/20_080.FLAGS.2, /odisk/online1/logflags/20_080.FLAGS.3, /odisk/online1/logflags/20_080.FLAGS.4, 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 : 255 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+12 dB, 32 MHz,OFF, IF-CH2 : 20+12 dB, 32 MHz,OFF GSB SETTINGS : 14. Maximum Channels : 512 15. Final Bandwidth (MHz): OFF MHz; Step # 0 17. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 18. Stokes : Total_Intensity 19. Beam - 1 : IA 20. Beam - 2 : PA 21. Frequency Parameters (TPA) : 306 306 255 255 51 51. 22. Integration Time : 8 LTA ~ 16.106 Sec. 23. No of Antennas Working(Fringing) :25 24. Name of Non-Working Antennas (with reason for each) : C05 : Servo work. C06 : No Fringe. C09 : Fringe fluctuations. C11 : ABC time out. W04 : fringe fluctuations. 25. Note for Backup :-- 26. Start and End Time of Obs.(IST): 02:00 - 13:00 27. ONLINE Machine : Shivneri 28. Comments (During Observations) : 02:30 : Started setup. 325 MHz ALC's OFF. Power Eq @ 300 counts. 02:55 : Started phasing on 3c286. 03:23 : Started scan on pulsar J1549-06 for 1hr. 04:23 : Stopped scan. 04:39 : Started phasing on 1526-138. 04:45 : Started scan on pulsar J1549-06 for 1hr. 05:54 : GSB Stopped and started in RAWDUMP MODE. 06:40 : Restarted GSB in REALTIME Mode. 06:44 : Started phasing on 2225-049. 06:50 : Started scan on pulsar J2129-04 for 1hr. 06:44:16 : Started scan on 2225-049 for ~ 0.805306 min. 06:46:05 : Started scan on 2225-049 for ~ 2.41592 min. 06:50:11 : Started scan on J2129-04 for ~ 60.9348 min. 07:53:13 : Started scan on 2225-049 for ~ 2.41592 min. 07:58:52 : Started scan on J2129-04 for ~ 60.1295 min. 09:03:15 : Started scan on 2225-049 for ~ 2.68435 min. 09:16:45 : Started scan on 3C48 for ~ 1.34218 min. 09:18:31 : Started scan on 3C48 for ~ 2.41592 min. 09:23:22 : Started scan on 0217+738 for ~ 2.41592 min. 09:28:30 : Started scan on 0319+415 for ~ 1.87905 min. 09:32:25 : Started scan on J0308+74 for ~ 61.4717 min. 10:36:09 : Started scan on 0319+415 for ~ 2.68435 min. 10:46:45 : Started scan on J0308+74 for ~ 1.34218 min. 10:48:30 : Started scan on J0308+74 for ~ 61.2032 min. 11:52:17 : Started scan on 0319+415 for ~ 4.5634 min. 12:08:45 : Started scan on 0010-418 for ~ 6.71088 min. 12:15:36 : Started scan on 0010-418 for ~ 0.805306 min. 12:17:41 : Started scan on J2328-40 for ~ 1.34218 min. 12:19:26 : Started scan on J2328-40 for ~ 44.0234 min. 13:00 : Very strong RFI hence ...Observing session stopped.