GTAC Observation Log 1. Date : 22/09/2014 2. Observation Sr. No. : 7366 3. Observer : Nissim Kanekar 4. Observer's Email : nkanekar@ncra.tifr.res.in 5. Project Name : DDT Observation. 6. Project Code : ddtb102 7. Operator(s) : Nilesh, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/nissim/0827\+3525.cmd 9. LTA File : /gsbifrdata/22sep/ddtb102_22sep2014.lta 10. LogFlag File : /odisk/online1/logflags/DDTB102.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 442.6 MHz ,RF2 : 442.6 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 505 MHz, ILO2 : 505MHz , IVLO1 : 62.4 MHz, IVLO2 : 62.4 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 2 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.6 28. LO5 -2 : 167.4 29. Frequency Parameters (TPA) : 442.6 442.6 505 505 62.4 62.4 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :12 32. Name of Non-Working Antennas (with reason for each) : W05 : Freq. Applying Az-Brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Sep 2014 04:00:00 - 22 Sep 2014 09:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :12 37. Comments (During Observations) : NOTE : Using 325 MHz Broad-Band Feed antennas only. ----------------------------------------------------- 04:00 : Started set-up. 04:02 : Started command file. 09:35 : Stopped command file, and started scan on phase cal. 09:48 : Started scan on 3c386 for ~15min. 10:03 : Stopped scan and closed observation session.