GTAC Observation Log 1. Date : 21/02/2017 2. Observation Sr. No. : 9215 3. Observer : Poonam Chandra 4. Observer's Email : poonam@ncra.tifr.res.in 5. Project Name : DDT Observation 6. Project Code : DDTB267 7. Operator(s) : Deepak, Navnath 8. Command File : /odisk/gtac/cmd/poonam/ddtb267/21feb/obs.cmd 9. LTA File : /gsbifrdata1/21feb/ddtb267_21feb2017_610.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2246, /odisk/online1/logflags/DDTB267.FLAGS.1, /odisk/online1/logflags/DDTB267.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E03 : No feed @ 610Mhz. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Feb 2017 18:00:00 - 21 Feb 2017 23:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : GWB data : - gwbh6 Machine : /gwbifrdata1/21feb/ddtb267_21feb2017_gwb4.lta 18:00 : Started setup. 18:25 : Started scan on 3C147 for 10 min. 18:47 : Started command file. /odisk/gtac/cmd/poonam/ddtb267/21feb/obs.cmd 22:40 : command file stopped. 22:42 : Started scan on phase cal. 22:47 : scan stopped. 22:55 : Started scan on 3C147 for 10 min. 23:05 : Observation session over. --------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF : 750 750 GPU_LO-1 : 540 540 GPU_DDC : OFF GPU_DDCLO : 0.0000 0.0000 GPU_SIDEBAND : 1 1 GPU_RF1 : 0 0 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1 0 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 750 750 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTB267 GPU_RF5 : 0 0 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : SUBA5 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 32 inputs. GPU_FILRFI : RFI Filterring OFF --------------------------------