GTAC Observation Log 1. Date : 04/04/2016 2. Observation Sr. No. : 8518 3. Observer : Blazej Stefan Nikiel-Wroczynski, Marek Jamrozy, Marian Soida, Marek Urbanik 4. Observer's Email : iwan@oa.uj.edu.pl, jamrozy@oa.uj.edu.pl, soida@oa.uj.edu.pl, urb@oa.uj.edu.pl 5. Project Name : NGC 4490 revisited: searching for the low-frequency counterpart of an unexpected magnetised extension 6. Project Code : 29_042 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/29_042/29_042_s3b.cmd 9. LTA File : /gsbifrdata/03apr/29_042_03apr2016.lta 10. LogFlag File : /odisk/online1/logflags/29_042.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : PA 22. Beam - 2 : PA 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) : 156 156 218 218 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C06 : BLDC work. C04 : : CST Painting. E05 and W05 : Very strong RFI. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Apr 2016 23:30:00 - 04 Apr 2016 06:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : Note : RFI is observed throughout the observation. 23:30 : Started set-up. 23:46 : Started scan on 3C286 for 15min. 00:02 : Started command file. 01:07 : S03 abc time-out due to high temperature. 05:53 : S03 started working. 05:47 : Stopped command file. 05:48 : Started scan on 3C286. 06:02 : Stopped scan and observing session is over.