GTAC Observation Log 1. Date : 28/12/2014 2. Observation Sr. No. : 7524 3. Observer : Wojciech Lewandowski, Jim Cordes, Jaroslaw Kijak, Shami Chatterjee, Bhaswati Bhattacharyya, Jayanta Roy, Karolina Rozko 4. Observer's Email : boe@astro.ia.uz.zgora.pl, cordes@astro.cornell.edu, jkijak@astro.ia.uz.zgora.pl, shami@astro.cornell.edu, bhaswati.bhattacharyya@manchester.ac.uk, jroy@ncra.tifr.res.in, krozko@gmail.com 5. Project Name : Multi-frequency scattering of pulsars with known distances 6. Project Code : 27_038 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata1/28dec/27_038_28dec2014.lta.1,/gsbifrdata1/28dec/27_038_28dec2014.lta 10. LogFlag File : /odisk/online1/logflags/27_038.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 : 24+14 dB, 32 MHz,OFF, IF-CH2 : 24+14 dB, 32 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : PA 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 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 :27 32. Name of Non-Working Antennas (with reason for each) : C10 : no feed of 150MHz. W04 : Taken for maintenance E04 : Taken for BLDC work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Dec 2014 01:00:00 - 28 Dec 2014 03:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 01:00 : Started settings for observation. 150MHz, ALC off; power eq @ 300 counts, Phasing on 3c147. 01:23:52 : Started scan on 3C147 for ~ 3.42255 min. 01:31:00 : Started scan on J0538+2817 for ~ 30.3332 min. 02:02:31 : Started scan on B0626+24 for ~ 9.9321 min. 02:13:19 : Started scan on 3C138 for ~ 1.61061 min. 02:15:11 : Started scan on 3C138 for ~ 0.805306 min. 02:16:27 : Started scan on 3C138 for ~ 2.14748 min. 02:19:11 : Started scan on 3C138 for ~ 1.34218 min. 02:22:17 : Started scan on B0559-05 for ~ 9.9321 min. 02:35:41 : Started scan on 0837-198 for ~ 0.805306 min. 02:37:07 : Started scan on 0837-198 for ~ 1.61061 min. 02:39:20 : Started scan on 0837-198 for ~ 1.34218 min. 02:42:53 : Started scan on B0736-40 for ~ 9.9321 min. 02:53:54 : Started scan on B0808-47 for ~ 9.9321 min. 03:06:16 : Started scan on 1154-350 for ~ 2.14748 min. 03:08:46 : Started scan on 1154-350 for ~ 2.68435 min. 03:12:29 : Started scan on B1114-41 for ~ 9.66367 min. 03:25:00 : Closed observation.