GTAC Observation Log 1. Date : 09/04/2010 2. Observation Sr. No. : 4807 3. Observer : Jayanta Roy 4. Observer's Email : jroy@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 18_045 7. Operator(s) : Amruta, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/9apr/18_045_09apr2010.lta 10. GSB File : /odisk/gtac/cmd/hold.cmd 11. LogFlag File : /odisk/online1/logflags/18_045.FLAGS.5 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 : 16+4 dB, 32 MHz,OFF, IF-CH2 : 16+4 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) :25 20. Name of Non-Working Antennas (with reason for each) : C01 - OFF. E03 - Servo Problem. E05 - MCM-5 Timeout. E04 - Painting. W04 - 130 pol ripple. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 08:00 - 11:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 08:00 : Started setup & power eq. 08:34 : Phasing done. 08:36 : Started scan on B1804-08. 08:41 : Stopped scan. 08:43 : Started scan on B1855+09. 08:52 : Stopped scan. 08:54 : Started scan on B1859+01. 09:03 : Stopped scan. 09:05 : started scan on G21.5-0.9. 10:25 : Stopped scan. 10:33 : started scan on 2225-049. 10:37 : Stopped scan and observation closed.