GTAC Observation Log 1. Date : 13/06/2010 2. Observation Sr. No. : 4910 3. Observer : B. C. Joshi, Mayuresh 4. Observer's Email : bcj@ncra.tifr.res.in,mpsurnis@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 10DT023 7. Operator(s) : Manisha, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/13jun/10dt023_13jun2010.lta, /rawdata1/13jun/10dt023_13jun2010.ltb 10. GSB File : /gsbifrdata/13jun/10dt023_13jun2010_gsb.lta, /gsbifrdata/13jun/10dt023_13jun2010_gsb.lta.1 11. LogFlag File : /odisk/online1/logflags/10DT023.FLAGS ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+4 dB, 32 MHz,OFF, IF-CH2 : 20+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) : 325 325 255 255 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :24 20. Name of Non-Working Antennas (with reason for each) : C01 : mcm 2 time out C05,C11,S03,E05 : fringe fluctuations in hardware corr. C08 : Phase jumps in hardware corr. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 01:00 - 10:02 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 01:00 : Started setup. 01:15 : Started power eq IF=600 & BB=1000(3C286). 01:45 : Power eq. done. 02:23:18 : Started scan on B1929+10. 02:36:09 : Started scan on GPT0017. Stopped dlytrk and fstop. 03:16:42 : Started scan on GPT0017. 03:53:23 : Started scan on B1929+10. 04:01:13 : Started scan on GPT0810. 04:32:04 : Started scan on GPTW17. 05:07:42 : Started scan on GPTE17. 05:36:28 : Started scan on GPTN17. 06:08:06 : Started scan on GPTS17. 06:39:59 : Started scan on GPT0304. 07:29:22 : Started scan on GPT7811. 08:03:04 : Started scan on GPT7304. 08:11:34 : Started scan on GPT7304. 08:17:49 : C12 abc timeout. 08:56:35 : Started scan on GPT5200. 09:30:40 : Started scan on 3C48. 09:33:27 : Started scan on 3C48 for pulsar cal. 09:42:27 : Started scan on 3C147 for pulsar cal. 09:49:51 : Started scan on B0329+54(trkdecof(1.25)). 09:52:34 : Started scan on B0329+54(trkdecof(1.00)). 09:54:47 : Started scan on B0329+54(trkdecof(0.75)). 09:56:58 : Started scan on B0329+54(trkdecof(0.50)). 09:59:14 : Started scan on B0329+54(trkdecof(0.25)). 10:01:21 : Started scan on B0329+54. 10:02:34 : Stopped scan and observing session over.