GTAC Observation Log 1. Date : 15/11/2017 2. Observation Sr. No. : 9867 3. Observer : Avishek Basu, B.C. Joshi 4. Observer's Email : avishekbs3@gmail.com,bcj@ncra.tifr.res.in 5. Project Name : Coordinated ORT-GMRT observations - Pulsar time series observations 6. Project Code : DDTB296 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/15nov/ddtb296_15nov2017.lta 10. LogFlag File : /odisk/online1/logflags/DDTB296.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 317 MHz ,RF2 : 317 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Voltage 23. ACQ BW : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 317 317 255 255 62 62 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C04 : MCM 5 time out W01 : Feed jammed 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Nov 2017 02:00:00 - 15 Nov 2017 03:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 02:00 : Started set up. Data Recorded on Node33 and Node34 in /mnt/a/gsbuser/DDTB296/ and /mnt/d/gsbuser/DDTB296/ disk respectively. # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18 # BEAM-1:175 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18 # BEAM-2:130 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18 # BEAM-2:175 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=18 ------------------------------------------------------------ ----------- 02:07 : Power equalized on B0531+21 at 100 counts. 02:09:56 : Started scan on B0531+21 for ~ 1.07374 min. 02:19:11 : Started scan on 3C147 for ~ 5.3687 min. 02:24:53 : Phasing done on 3C147. 02:31:09 : Started scan on 3C147 for ~ 1.87905 min on source. 02:35:13 : Started scan on 3C147 for ~ 1.61061 min on off source.. 02:51:02 : Started scan on B0531+21 for ~ 12.6165 min. 03:02 : Stopped scan and observation session is over. -----------------------------------------------------------------------