GTAC Observation Log 1. Date : 27/07/2010 2. Observation Sr. No. : 4984 3. Observer : Ujjwal Kumar 4. Observer's Email : ujjwal@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 18_068 7. Operator(s) : Nilesh, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/27jul/18_068_suba2_27jul10.lta, /rawdata1/27jul/18_068_suba2_27jul10.ltb, /rawdata/27jul/18_068_suba4_27jul10.lta, /rawdata1/27jul/18_068_suba4_27jul10.ltb, 10. GSB File : /gsbifrdata/27jul/18_068_sub2_gsb.lta, /gsbifrdata/27jul/18_068_sub4_gsb.lta, 11. LogFlag File : /odisk/online1/logflags/SUBA4.FLAGS.54, /odisk/online1/logflags/SUBA2.FLAGS.45 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 610 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+10 dB, 32 MHz,OFF, IF-CH2 : 24+10 dB, 32 MHz,OFF 15. BB BW(KHz) & BB ALC : 16000 KHz, OFF CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 610 610 540 540 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :30 20. Name of Non-Working Antennas (with reason for each) : -- 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 19:00 - 23:30 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 18:55 : Started setup. correlator in pulsar mode. # sub 2 # C01 C02 C03 C05 C10 C12 C13 W01 E02 S01 @ 325MHz, Default ALC's OFF. # sub 4 # C00 C04 C06 C08 C09 C11 C14 W02 W03 W04 W05 W06 E03 E04 E05 E06 S02 S03 S04 S06 @ 610MHz, Default ALC's OFF. 19:06 : Started power eq on 3c286. 19:40 : Started phasing on 1822-096. 20:00 : Started phasing on 1830-360. 20:25 : Started pulsar observation. 23:30 : Stopped pulsar observation.