GTAC Observation Log 1. Date : 06/09/2015 2. Observation Sr. No. : 8044 3. Observer : Govind Swarup, ChellappanPillai - SureshRaju, nithin mohan, Subhashis Roy, Nizy Mathew, Divya Oberoi, Niruj Mohan, Anil Bhardwaj 4. Observer's Email : gswarup29@gmail.com, c_sureshraju@vssc.gov.in, nithinmohan89@gmail.com, roy@ncra.tifr.res.in, nizy_mathew@vssc.gov.in, doberoi@haystack.mit.edu, mohan@ncra.tifr.res.in, bhardwaj_spl@yahoo.com 5. Project Name : GMRT Observation of Venus for Thermal and Permittivity Characterization 6. Project Code : 28_040 7. Operator(s) : Nilesh, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/28_040/obs_06sep.cmd 9. LTA File : /gsbifrdata1/06sep/28_040_06sep2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/28_040.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 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 : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1281 1281 1230 1230 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S02 : Taken for BLDC S06 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Sep 2015 05:00:00 - 06 Sep 2015 15:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 04:00 : Started set up. 04:34 : Started scan on 3C147. 05:17 : Stopped scan and started command file. '/odisk/gtac/cmd/28_040/obs_06sep.cmd'. 09:54 : C03 taken for maintenance. 10:12 : Phase cal close to ZENITH, Stopped scan and command file. 10:14 : Started scan on VENUS-15D for ~ 12 min. 10:28 : Restarted command file. '/odisk/gtac/cmd/28_040/obs_06sep.cmd'. 11:25 : S06 released for observation. 12:35 : C03 started working. 14:40 : Stopped command file. 14:45 : Started scan on 3C286. 15:00 : Stopped scan and observation session over.