GTAC Observation Log 1. Date : 04/02/2018 2. Observation Sr. No. : 10069 3. Observer : Yashwant Gupta 4. Observer's Email : ygupta@ncra.tifr.res.in 5. Project Name : DDTB306 6. Project Code : DDTB306 7. Operator(s) : Navnath, Sachin, Surender 8. Command File : /odisk/gtac/cmd/ddtb306/04feb/4cands_IA-PA_04feb18.cmd.txt 9. LTA File : /gsbifrdata/04feb/ddtb306_04feb2018.lta, /gwbifrdata2/04feb/ddtb306_04feb2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTB306.FLAGS.1 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : E03 : : Strong RFI. W05 : : Strong RFI. W06 : : 130 pol low self. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Feb 2018 05:00:00 - 04 Feb 2018 09:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : 05:00 : Started set-up. ------------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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTB306 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 Total=27 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 Total=27 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=14 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=14 -------------------------------------------------- 05:00 : Started set-up. ----------------------------------------------------------------------- 05:03:26 : Started scan on 3C286 for ~ 4.02653 min. 05:12:34 : Started scan on 3C286 for ~ 4.16075 min. 05:21:02 : Started scan on B1534+12 for ~ 13.0191 min. 05:37:01 : Started command file. /odisk/gtac/cmd/ddtb306/04feb/4cands_IA-PA_04feb18.cmd.txt 06:24:39 : W04 and E04 Removed from GAC. 06:41:07 : W02 Removed from GAC due to Servo problem. 06:24:39 : Started scan on 1822-096 for ~ 1.87905 min. 06:28:02 : Started scan on B1855+09 for ~ 10.0663 min. 06:39:27 : Started scan on 1822-096 for ~ 1.47639 min. 06:41:07 : Started scan on 1822-096 for ~ 3.89231 min. 06:46:05 : Started scan on 294D-010R31 for ~ 39.9968 min. 07:27:08 : Started scan on 1822-096 for ~ 2.01326 min. 07:30:04 : Started scan on 1822-096 for ~ 1.47639 min. 07:31:46 : Started scan on 1822-096 for ~ 3.89231 min. 07:36:42 : Started scan on 298D-010R32 for ~ 39.9968 min. 08:17:46 : Started scan on 1822-096 for ~ 1.87905 min. 08:20:59 : Started scan on J1918-0642 for ~ 9.9321 min. 08:32:12 : Started scan on 1822-096 for ~ 1.74483 min. 08:34:08 : Started scan on 1822-096 for ~ 3.89231 min. 08:39:03 : Started scan on 051D+001R32 for ~ 15.435 min. 08:55:56 : Started scan on 1822-096 for ~ 2.14748 min. 09:00:00 : Observation session over. ===============================================================