GTAC Observation Log 1. Date : 09/05/2009 2. Observation Sr. No. : 4278 3. Observer : D. K. Ojha 4. Observer's Email : ojha@tifr.res.in 5. Project Name : HMSF Cores 6. Project Code : 16_050 7. Operator(s) : Deepak, Sachin, Santaji, Shilpa 8. Command File : /odisk/gtac/cmd/16cycle/16_050/16_050.cmd 9. LTA File : /rawdata/9may/16_050_09may2009.lta, /rawdata1/9may/16_050_09may2009.ltb 10. LogFlag File : /odisk/online1/logflags/16_050.FLAGS ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 610 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+4 dB, 32 MHz,OFF, IF-CH2 : 20+4 dB, 32 MHz,OFF 14. 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) :27 20. Name of Non-Working Antennas (with reason for each) : C12 : MCM 5 time out. E06 : Painting. W01 : ABC Time Out. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 11:01 - 20:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 11:01 : Setup with power- equalise to 300 counts started. 11:27 : Scan started on 3C147. 11:40 : Command file started. 14:06 : W06 ABC reset. 14:42 : W06 started working. 15:15 : S06 abc timeout. 15:35 : Changed the track inner to outer. 17:31 : S-arm power fail. 17:44 : S1,S2,S3,S4 started working. 17:52 : E02 servo problem. 19:37 : Stopped command file. 19:39 : Started scan on 3C147. 20:00 : Stopped scan and observing session over.