GTAC Observation Log 1. Date : 28/11/2015 2. Observation Sr. No. : 8209 3. Observer : Huib T Intema, Annalisa Bonafede, Marcus Bruggen, Francesco deGasperin, Reinout Johannes vanWeeren 4. Observer's Email : intema@strw.leidenuniv.nl, annalisa.bonafede@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de, fdg@hs.uni-hamburg.de, rvanweeren@cfa.harvard.edu 5. Project Name : The exceptional radio halos in CL1821\\+643 and CIZAJ1938\\+5409 6. Project Code : 29_023 7. Operator(s) : Nilesh, Surender 8. Command File : /odisk/gtac/cmd/29_023/obs.cmd 9. LTA File : /gsbifrdata/28nov/29_023_28nov2015_16s.lta, /gsbifrdata1/28nov/29_023_28nov2015_4s.lta 10. LogFlag File : /odisk/online1/logflags/29_023.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 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, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 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 :25 32. Name of Non-Working Antennas (with reason for each) : C03 : : Maintenance. C04 : : Painting. C11 : : CST Painting. W03 : : BLDC installation. E05 : : Strong RFI lines. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Nov 2015 12:00:00 - 28 Nov 2015 22:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : NOTE : E05 - Intermittent and Strong RFI lines. ----------------------------------------------------- 12:13 : Started scan on 3c286 for ~ 15 min. 12:30 : Started command file. 16:05 : C03 released for observation. 17:51 : C04 released for observation. 21:34 : Stopped command file. 21:44 : Started scan on 3C48. 22:05 : Stopped scan and observing session is over.