GTAC Observation Log 1. Date : 11/03/2008 2. Observation Sr. No. : 3668 3. Observer : S.Pal 4. Observer's Email : spal@nrca.tifr.res.in 5. Project Name : Saturn 6. Project Code : 13SPA02 7. Operator(s) : Jayprakash, Jitendra, Sachin, 8. Command File : /atemp2/cmd/spal/saturn11mar.cmd 9. LTA File : /rawdata/11mar/13spa02_saturn.lta, /rawdata1/11mar/13spa02_saturn.ltb, /rawdata/11mar/13spa02_saturn.lta.1, /rawdata1/11mar/13spa02_saturn.ltb.1, 10. LogFlag File : /atemp2/logflags/13SPA02.FLAGS.1, /atemp2/logflags/13SPA02.FLAGS.2 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 614 MHz ,RF2 : 244 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 66 MHz, IVLO2 : 66 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+4 dB, 32 MHz,ON, IF-CH2 : 20+4 dB, 6 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 614 244 680 310 66 66 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :29 20. Name of Non-Working Antennas (with reason for each) : C13- Visibility amplitude jumping in both sideband. W01,W03 - No fringe at 235 MHz . E05- No fringe? 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 18:22 - 05:25 23. Comments (During Observations) : ------------------------------------------- ******** ONLINE Machine : Aditya ********* ******** Corr Mode : IndianPolar ********* -------------------------------------------- 18:00 : Bad baseline problem solved. C13- Visibility amplitude jumping in both sideband. W01,W03 - No fringe at 235 MHz . 18:22 : Flux cal scan started for 10m. 18:42 : Command file started. 20:00 : E-arm Power failed. Only E02,E03 Power resumed, Settings done. 21:35 : E-arm Power resumed. 21:49 : E-arm Settings re-done. E05- No fringe? 04:45 : Started scan on 3C286. 05:10 : Found fstop is stopped. Stopped project and restarted record file. 05:14 : Started new record file and started scan on 3C286. 05:25 : Stopped project.