GTAC Observation Log 1. Date : 24/03/2018 2. Observation Sr. No. : 10176 3. Observer : Stephen John Curran, Dick Hunstead, Helen Johnston, Matthew Whiting, Elaine Sadler, Ramana Athreya, James Richard Allison 4. Observer's Email : scurran.astro@gmail.com, rwh@physics.usyd.edu.au, helenj@physics.usyd.edu.au, Matthew.Whiting@csiro.au, ems@physics.usyd.edu.au, rathreya@iiserpune.ac.in, james.allison@sydney.edu.au 5. Project Name : The Environment in Active Galaxies Over the History of the Universe 6. Project Code : 33_005 7. Operator(s) : Deepak, Navnath, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/33_005/obs.cmd 9. LTA File : /gsbifrdata/23mar/33_005_23mar2018_gsbifrdata_2s.lta.2, /gsbifrdata/23mar/33_005_23mar2018_gsbifrdata_2s.lta.1, /gsbifrdata/23mar/33_005_23mar2018_gsbifrdata_2s.lta, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.9, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.8, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.7, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.6, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.5, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.4, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.3, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.2, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.19, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.18, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.17, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.16, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.15, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.14, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.13, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.12, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.11, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.10, /gsbifrdata/23mar/33_005_23mar2018_16s.lta.1, /gsbifrdata/23mar/33_005_23mar2018_16s.lta, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.9, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.8, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.7, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.6, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.5, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.4, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.3, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.2, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.16, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.15, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.14, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.13, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.12, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.11, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.10, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.1, /gsbifrdata1/23mar/33_005_23mar2018_2s.lta 10. LogFlag File : /odisk/online1/logflags/33_005.FLAGS.7, /odisk/online1/logflags/33_005.FLAGS.6, /odisk/online1/logflags/33_005.FLAGS.5, /odisk/online1/logflags/33_005.FLAGS.4, /odisk/online1/logflags/33_005.FLAGS.3, /odisk/online1/logflags/33_005.FLAGS.2, /odisk/online1/logflags/33_005.FLAGS.1, /odisk/online1/logflags/33_005.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1083 MHz ,RF2 : 1083 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1020 MHz, ILO2 : 1020MHz , IVLO1 : 63 MHz, IVLO2 : 63 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137 28. LO5 -2 : 168 29. Frequency Parameters (TPA) : 1083 1083 1020 1020 63 63 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W03 : Frequently applying elevation brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Mar 2018 19:00:00 - 24 Mar 2018 22:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 19:00 : Started setup. ===================================================================== *** 1. GSB line observation setup for 1092.6206 Mhz ==================================================================== RF band= 1060 (1000 - 1120) LO1= 1020 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1092.6206 CH#[0]= 1083 CH#[512]= 1099.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 137 168 LTA_FILE L05= 137 168 BASE_BAND LO4= 63 63 tpa 1083 1083 1020 1020 63 63 ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 16.666666 GSB_FINAL_BW : 0 GSB_EDGE_FRQ : 0 GSB_CHAN_MAX : 512 GSB_CHAN_NUM : 0:511:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 137:168 GSB_HOSTS : gsbm1_lenyadri undefined : OFF undefined : 306 -------------------------------- 19:20:58 : Started scan on 3C147 for ~ 5.3687 min. 19:28:06 : Started scan on 0721+713 for ~ 61.2032 min. 20:31:09 : Started scan on 3C147 for ~ 4.83183 min. ==================================================================== *** 2. GSB line observation setup for 1137.10 Mhz ==================================================================== GSB line observation setup RF band= 1170 (1110 - 1230) LO1= 1065 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1137.1 CH#[0]= 1128 CH#[512]= 1144.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 137 168 LTA_FILE L05= 137 168 BASE_BAND LO4= 63 63 tpa 1128 1128 1065 1065 63 63 ----------------------------------------------------------------------- 20:45:06 : Started scan on 3C147 for ~ 5.3687 min. 20:53:33 : Started scan on 0833+424 for ~ 45.3655 min. 21:40:44 : Started scan on 3C147 for ~ 4.83183 min. ----------------------------------------------------------------------- ==================================================================== *** 3. GSB line observation setup for 1036.5 MHz ==================================================================== GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 1105 (higher) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1036.5 CH#[0]= 1044 CH#[512]= 1027.3334 BW= -16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 139 166 LTA_FILE L05= 139 166 BASE_BAND LO4= 61 61 tpa 1044 1044 1105 1105 61 61 ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 16.666666 GSB_FINAL_BW : 0 GSB_EDGE_FRQ : 0 GSB_CHAN_MAX : 256 GSB_CHAN_NUM : 0:255:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 139:166 GSB_HOSTS : gsbm1_shivneri undefined : OFF undefined : 306 --------------------------------------------------------------------------- 22:05:33 : Started scan on 3C147 for ~ 4.83183 min. 22:12:17 : Started scan on 0929+502 for ~ 45.0971 min. 22:59:46 : Started scan on 3C147 for ~ 5.10027 min. =========================================================================== GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 1135 (higher) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1065.04 CH#[0]= 1073 CH#[512]= 1056.3334 BW= -16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1073 1073 1135 1135 62 62 --------------------------------------------------------------------------- E02 : No fringe. 23:26:02 : Started scan on 3C147 for ~ 4.83183 min. 23:33:28 : Started scan on 1153+495 for ~ 30.6016 min. 00:07:35 : Started scan on 3C286 for ~ 5.10027 min. ----------------------------------------------------------------- 00:15 : Setting Changed(1121.08) RF band= 1170 (1110 - 1230) LO1= 1050 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1121.08 CH#[0]= 1112 CH#[512]= 1128.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1112 1112 1050 1050 62 62 /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.1 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.4 00:27:30 : Started scan on 3C286 for ~ 4.83183 min. 00:35:53 : Started scan on 0854+579 for ~ 4.83183 min. 00:41:49 : Started scan on 0854+623 for ~ 46.1709 min. 01:28:58 : Started scan on 0854+579 for ~ 4.83183 min. 01:36:53 : Started scan on 3C286 for ~ 4.83183 min. -------------------------------------------- 01:45 : settings changed RF band= 1060 (1000 - 1120) LO1= 960 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1031.52 CH#[0]= 1022 CH#[512]= 1038.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1022 1022 960 960 62 62 01:57 : Started command file 1209+413.cmd /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.2 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.5 01:57:43 : Started scan on 3C286 for ~ 4.83183 min. 02:04:14 : Started scan on 1209+413 for ~ 60.3979 min. 03:06:29 : Started scan on 3C286 for ~ 5.10027 min. -------------------------------------------- 03:15 : Settings changed GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 945 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1014.58 CH#[0]= 1007 CH#[512]= 1023.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1007 1007 945 945 62 62 --------------------------------------------------------------------------- 03:23 : '/odisk/gtac/cmd/33_005/1239+075.cmd' command file started. /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.3 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.6 03:31 : Scan No. 1 bad. 03:23:53 : Started scan on 3C286 for ~ 4.83183 min. 03:31:56 : Started scan on 1305-105 for ~ 5.63714 min. 03:41:22 : Started scan on 1239+075 for ~ 45.3655 min. 04:28:23 : Started scan on 3C286 for ~ 4.5634 min. =========================================================================== 04:36 : Settings changed. GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 1180 (higher) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1111.08 CH#[0]= 1118 CH#[512]= 1101.3334 BW= -16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1118 1118 1180 1180 62 62 --------------------------------------------------------------------------- 04:41 : '/odisk/gtac/cmd/33_005/1305-105.cmd' command file started. /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.4 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.7 04:41:28 : Started scan on 3C286 for ~ 9.66367 min. 04:53:40 : Started scan on 1305-105 for ~ 45.3655 min. =========================================================================== 05:39 : Settings changed. GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 975 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1044.42 CH#[0]= 1037 CH#[512]= 1053.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 138 167 LTA_FILE L05= 138 167 BASE_BAND LO4= 62 62 tpa 1037 1037 975 975 62 62 --------------------------------------------------------------------------- 05:51 : '/odisk/gtac/cmd/33_005/1512-090.cmd' command file started. /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.5 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.8 05:51:32 : Started scan on 3C286 for ~ 9.9321 min. 06:14 : Statellite observed on source 1512-090. 06:03:58 : Started scan on 1512-090 for ~ 30.0647 min. =========================================================================== 06:35 : Settings changed. GSB line observation setup RF band= 1060 (1000 - 1120) LO1= 940 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1008.9 CH#[0]= 1001 CH#[512]= 1017.6666 BW= +16.6666 CW= 32.55 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 139 166 LTA_FILE L05= 139 166 BASE_BAND LO4= 61 61 tpa 1001 1001 940 940 61 61 --------------------------------------------------------------------------- 06:48 : '/odisk/gtac/cmd/33_005/1505+034.cmd' command file started. /gsbifrdata1/23mar/33_005_23mar2018_2s.lta.6 /gsbifrdata/23mar/33_005_23mar2018_16s.lta.9 C14 : 130pol strong RFI. -------------------------------------------------------------------------- 06:48:20 : Started scan on 3C286 for ~ 9.66367 min. 06:59:58 : Started scan on 1505+034 for ~ 50.7343 min. ========================================================================== 07:35 : C14 taken for mechanical work -------------------------------------------------------------------------- 09:55 : C05 taken for painting. -------------------------------------------------------------------------- Line/Center Frequency= 1004.26 08:03:56 : Started scan on 1549+026 for ~ 40.5337 min. 08:50:36 : Started scan on 3C48 for ~ 9.66367 min. -------------------------------------------------------------------------- Line/Center Frequency= 1249.26 09:17:44 : Started scan on 3C48 for ~ 9.66367 min. 09:33:08 : Started scan on 1719+177 for ~ 45.634 min. -------------------------------------------------------------------------- Line/Center Frequency= 1074.44 10:30:38 : Started scan on 3C48 for ~ 9.66367 min. 10:46:14 : Started scan on 1751+096 for ~ 30.6016 min ------------------------------------------------------------------------- Line/Center Frequency= 1056.85 11:27:33 : Started scan on 3C48 for ~ 9.66367 min. 11:44:36 : Started scan on 2142-046 for ~ 46.4393 min. ------------------------------------------------------------------------- Line/Center Frequency= 1155.74 12:43:20 : Started scan on 3C48 for ~ 9.9321 min. 12:55:42 : Started scan on 0005+383 for ~ 61.7401 min. ------------------------------------------------------------------------- Line/Center Frequency= 1013.85 14:14:06 : Started scan on 3C48 for ~ 9.66367 min. 14:27:31 : Started scan on 2334+076 for ~ 60.4218 min. 15:27:00 : observation stopped. ------------------------------------------------------------------------- Line/Center Frequency= 1121.96 15:44:35 : Started scan on 3C48 for ~ 9.9321 min. 16:00:33 : Started scan on 0757+099 for ~ 12.348 min.====Bad scan == Track changed from outer to INNER. 16:27:30 : Started scan on 0757+099 for ~ 40.5337 min. 17:07:00 : observation stopped. -------------------------------------------------------------------- Line/Center Frequency= 1109.69 17:21:44 : Started scan on 3C147 for ~ 9.9321 min. 17:34:29 : Started scan on 0842+185 for ~ 5.10027 min. 17:40:37 : Started scan on 0839+180 for ~ 35.165 min. 18:17:01 : Started scan on 0842+185 for ~ 4.83183 min. 18:23:00 : cmd file having sysntax error -"strtndas" was missing. 18:58:19 : Started scan on 0842+185 for ~ 4.5634 min. ----------------------------------------------------------------------- 19:05:00 : Started setup fro Line/Center Frequency= 1093.38 19:12:57 : Started scan on 3C147 for ~ 3.48966 min. 19:18:45 : Started scan on 3C147 for ~ 9.9321 min. 19:32:31 : Started scan on 1111+199 for ~ 40.5337 min. 20:12:00 : cmd file stopped. ----------------------------------------------------------------------- Line/Center Frequency= 1006.82 20:15 : Started setup with lower LO 935 but not showing proper fringes. 20:25 : Switched to hihger LO. 20:35:41 : Started scan on 3C147 for ~ 6.71088 min. 20:47:43 : Started scan on 1224+035 for ~ 4.5634 min. 20:53:26 : Started scan on 1218-013 for ~ 30.0647 min. 21:24:27 : Started scan on 1224+035 for ~ 4.83183 min. 21:30:15 : Started scan on 1218-013 for ~ 29.7963 min. 22:01:07 : Started scan on 1224+035 for ~ 4.5634 min. 22:05:00 : Observation session over. ==================================================================