GTAC Observation Log 1. Date : 11/02/2019 2. Observation Sr. No. : 10880 3. Observer : Souvik Manna, Subhashis Roy 4. Observer's Email : souvik@ncra.tifr.res.in, roy@ncra.tifr.res.in 5. Project Name : A metrewavelength survey of local volume large galaxies (MLVL) 6. Project Code : 35_113 7. Operator(s) : Navnath, Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/roy/u35_113_10feb19_1.cmd 9. LTA File : /gwbifrdata1/10feb/35_113_10feb2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_113.FLAGS.3 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 : 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) : 306 306 255 255 51 51 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) : E05 : : Brake in elevation axis. E04 : : mcm 14 time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 10 Feb 2019 21:00:00 - 11 Feb 2019 07:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 35_113 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF -------------------------------- 21:00 : Started setup. setup : RFI Filter ON. 21:20 : Power eq on 3C48. 21:00 : Started cmd file. /odisk/gtac/cmd/roy/u35_113_10feb19_1.cmd 22:30 : E05 servo problem solved. 23:39 : Stopped command file. 23:40 : Started scan on 3C286 for ~ 6 min. 23:50 : Started next command file. /odisk/gtac/cmd/roy/u35_113_10feb19_1.cmd 01:22 : C01 ABC time out. 06:17 : ONLINE Crashed, stopped recording. 06:30 : Restarted ONLINE. 06:33:43 : Started scan on NGC3368.O for ~ 11.4532 min. 06:46:00 : Started scan on 1123+055 for ~ 3.75809 min. 21:59:19 : Started scan on 1123+055 for ~ 3.93705 min. 22:04:22 : Started scan on NGC3521.O for ~ 24.3381 min. 22:31:09 : Started scan on 1123+055 for ~ 3.93705 min. 22:38:44 : Started scan on NGC3368.O for ~ 24.3381 min. 23:04:07 : Started scan on 1123+055 for ~ 3.75809 min. 23:08:52 : Started scan on NGC3521.O for ~ 24.3381 min. 23:34:02 : Started scan on 1123+055 for ~ 3.75809 min. 23:40:22 : Started scan on 3C286 for ~ 6.26349 min. 23:51:24 : Started scan on 1123+055 for ~ 3.75809 min. 23:58:43 : Started scan on NGC3368.O for ~ 24.3381 min. 00:24:06 : Started scan on 1123+055 for ~ 3.93705 min. 00:29:02 : Started scan on NGC3521.O for ~ 24.3381 min. 00:54:27 : Started scan on 1123+055 for ~ 3.75809 min. 01:01:45 : Started scan on NGC3368.O for ~ 24.3381 min. 01:27:13 : Started scan on 1123+055 for ~ 3.75809 min. 01:32:31 : Started scan on NGC3521.O for ~ 24.3381 min. 01:58:08 : Started scan on 1123+055 for ~ 3.75809 min. 02:05:40 : Started scan on NGC3368.O for ~ 24.3381 min. 02:32:17 : Started scan on 1123+055 for ~ 3.75809 min. 02:37:26 : Started scan on NGC3521.O for ~ 24.3381 min. 03:02:39 : Started scan on 1123+055 for ~ 3.93705 min. 03:09:58 : Started scan on NGC3368.O for ~ 24.3381 min. 03:35:44 : Started scan on 1123+055 for ~ 3.75809 min. 03:40:38 : Started scan on NGC3521.O for ~ 24.3381 min. 04:05:51 : Started scan on 1123+055 for ~ 3.75809 min. 04:13:00 : Started scan on NGC3368.O for ~ 24.3381 min. 04:38:24 : Started scan on 1123+055 for ~ 3.75809 min. 04:43:08 : Started scan on NGC3521.O for ~ 24.3381 min. 05:08:28 : Started scan on 1123+055 for ~ 3.75809 min. 05:15:37 : Started scan on NGC3368.O for ~ 24.3381 min. 05:40:48 : Started scan on 1123+055 for ~ 3.75809 min. 05:45:34 : Started scan on NGC3521.O for ~ 24.3381 min. 06:10:47 : Started scan on 1123+055 for ~ 3.75809 min. 06:17:42 : Started scan on NGC3368.O for ~ 0.357914 min. 06:33:43 : Started scan on NGC3368.O for ~ 11.4532 min. 06:46:00 : Started scan on 1123+055 for ~ 3.75809 min. 06:52:04 : Started scan on 3C286 for ~ 7.33723 min. 07:00 : Closed observation session.