GTAC Observation Log 1. Date : 19/01/2010 2. Observation Sr. No. : 4722 3. Observer : Edge 4. Observer's Email : alastair.edge@durham.ac.uk,kcavagno@uwaterloo.ca 5. Project Name : Steep Spectrum Clusters 6. Project Code : 17_073 7. Operator(s) : Jayprakash, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/17_073/run4_part1.corr 9. LTA File : /rawdata/19jan/17_073_19jan2010.lta, /rawdata1/19jan/17_073_19jan2010.ltb 10. LogFlag File : /odisk/online1/logflags/17_073.FLAGS.4 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON 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) :30 20. Name of Non-Working Antennas (with reason for each) : C13 - Bad band-shape. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 04:00 - 10:34 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 04:00 : Started setup @ 325 MHz. ******************************************** 04:12 : Started scan on 3c286 for 10min. 04:22 : Stopped the scan. 04:35 : Started the command file. 09:12 : E05 taken for painting. 09:35 : C01 taken for painting. 10:00 : C04 taken for maintenance. 10:10 : W05 taken for maintenance(ssi). 10:13 : Command file stopped. 10:17 : Started scan on 3C286. 10:34 : Stopped scan and observation closed.