GTAC Observation Log 1. Date : 06/11/2017 2. Observation Sr. No. : 9839 3. Observer : Dipanjan Mitra, Rahul Basu, George Melikidze, Anna Maria Skrzypczak 4. Observer's Email : dmitra@ncra.tifr.res.in, rahulbasu.astro@gmail.com, G.Melikidze@ia.uz.zgora.pl, hera_ania@o2.pl 5. Project Name : Expanded Metrewavelength Single-pulse Polarimetric Emission Survey 6. Project Code : 33_057 7. Operator(s) : Navnath, Pramod, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/06nov/33_057_06nov2017.lta 10. LogFlag File : /odisk/online1/logflags/33_057.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF 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 : OFF 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C14 : : Taken for Painting. E04 : : Taken for Mech work. W05 : : Feed jammed. W04 : : MCM problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Nov 2017 14:00:00 - 06 Nov 2017 18:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 14:00 : Started set-up. ---------------------------- GAC CSQ except C14 + 2 First arm anteenas. --------------------------------- 13:50:13 : Started scan on 3C286 for ~ 8.58993 min. 13:59:04 : Power eq and phasing done on 3C286 for ~ 2.78502 min. 14:06:38 : Started scan on 1625-311 for ~ 2.91923 min. 14:09:45 : Started scan on 1625-311 for ~ 1.57706 min. 14:12:49 : Started scan on B1510-48 for ~ 16.4752 min. 14:29:58 : Started scan on B1601-52 for ~ 0.167772 min. 14:34:59 : Started scan on 1714-252 for ~ 1.24151 min. 14:36:21 : Started scan on 1714-252 for ~ 2.31525 min. 14:38:51 : Started scan on 1714-252 for ~ 1.00663 min. 14:40:29 : Started scan on J1736-2457 for ~ 72.0077 min. 15:59:13 : Started scan on 1924+334 for ~ 1.61061 min. 16:00:57 : Started scan on 1924+334 for ~ 2.61724 min. 16:03:39 : Started scan on 1924+334 for ~ 0.53687 min. NOTE : From 16:03 to 16:15 : Strong RFI observed on sources.Hence could not observe sources in this time. 16:04 : E06 applied EL brake. 16:16:23 : Started scan on B2053+21 for ~ 31.5411 min. 16:49:56 : Started scan on B2020+28 for ~ 17.6832 min. 17:10:54 : Started scan on B2000+40 for ~ 20.7366 min. 18:00 : Stopped scan and observation session is over. -----------------------------------------------------------------------