GTAC Observation Log 1. Date : 28/04/2018 2. Observation Sr. No. : 10210 3. Observer : Veeresh Singh, C.H. IshwaraChandra, Preeti Kharb, Hum Chand 4. Observer's Email : veeresh.iia@gmail.com, ishwar@ncra.tifr.res.in, preeti.kharb@gmail.com, hum@aries.res.in 5. Project Name : Investigation of rare kpc-scale extended jet-lobe radio morphologies in narrow line Seyfert 1 galaxies (NLS1s) 6. Project Code : 34_065 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/34_065/s2s10s6.cmd, /odisk/gtac/cmd/34_065/s8.cmd 9. LTA File : /gsbifrdata1/28apr/34_065_28apr2018.lta, /gwbifrdata1/28apr/34_065_28apr2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/TST1850.FLAGS, /odisk/online1/logflags/34_065.FLAGS.2, /odisk/online1/logflags/34_065.FLAGS.1 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 :28 32. Name of Non-Working Antennas (with reason for each) : C05 : Painting. W01 : MCM 5 time out. E03 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Apr 2018 16:00:00 - 28 Apr 2018 21:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 16:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 34_065 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 64 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. -------------------------------- 16:16 : Started scan on 3C147 for ~ 10 min. 16:30 : Started command file. /odisk/gtac/cmd/34_065/s2s10s6.cmd 16:42 : ELECTRICAL POWER RESUMED WHICH WAS FAILED AT 15:39 IST Antennas E03, E06, W03, W04, W05, S04 were affected due to power switching. 17:17 : Very frequent electrical power switching's, stopped command file. 17:46 : ELECTRICAL POWER RESUMED, Started settings. 18:13 : C05 released for observation. E03 -servo problem. W01 : MCM 5 time out. 18:16 : Started next command file. /odisk/gtac/cmd/34_065/s8.cmd 20:48 : Stopped command file. 20:49 : Started scan on 3C286 for 11 min. 21:01 : Stopped scan and closed observations.