GTAC Observation Log 1. Date : 20/06/2020 2. Observation Sr. No. : 12128 3. Observer : Parul Janagal, Bhaswati Bhattacharyya, Manoneeta Chakraborty 4. Observer\'s Email : parulj3795@gmail.com, bhaswati.bhattacharyya78@gmail.com, manoneeta@iiti.ac.in 5. Project Name : Investigation of sub-pulse drifting properties for five pulsars 6. Project Code : 38_002 7. Operator(s) : Nilesh, Surender 8. Command File : /odisk/gtac/cmd/bhaswati/38_002_18jun2k20.cmd 9. LTA File : /gwbifrdata1/19jun/38_002B_19jun2020_band4_gwb.lta, /gwbifrdata1/19jun/38_002A_19jun2020_band3_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3587, /odisk/online1/logflags/PNTG.FLAGS.3586 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 :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical work. C04 : No Fringe at Band4. C12 : ABC time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jun 2020 20:55:00 - 20 Jun 2020 04:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 20:55 : Started settings. ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF3 : 500 500 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 38_002A GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_002B GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- SUBA3 : Frequency setting: band3 500 MHz LO, 200 MHz BW, LSB, subarray3 C00, C01, C02, C03, C06, C08,C10,C11,W01,W02,S01 = 11 Antennas. Recording machine and /data area : gwbh9 /data3 SUBA4 : Frequency setting: band4 550 MHz LO, 200 MHz BW, USB, subarray4 C04,C05,C09,C12,C14,C13,W02,W03,W04,E03,E04,S02,S03,S04 = 14 Antennas. Recording machine and /data area : gwbh10 /data3 # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C06 C08 C10 C11 E02 S01 W01 Total=10 # BEAM-3:175 :: C00 C01 C02 C06 C08 C10 C11 E02 S01 W01 Total=10 # BEAM-4:130 :: C05 C09 C13 C14 E03 E04 S02 S03 S04 W02 W03 W04 Total=12 # BEAM-4:175 :: C05 C09 C13 C14 E03 E04 S02 S03 S04 W02 W03 W04 Total=12 21:15 : Started power eq on 3C286. 21:30 : Started phasing on 3C286. 21:50 : Started phasing on 1822-096. 21:28:04 : Started scan on 3C286 for ~ 7.6504 min. 21:36:49 : Started scan on 3C286 for ~ 1.70009 min. 21:38:53 : Started scan on 3C286 for ~ 2.10274 min. 21:50:48 : Started scan on J1834-0426 for ~ 0.58161 min. 21:52:03 : Started scan on 1822-096 for ~ 2.14748 min. 21:54:29 : Started scan on 1822-096 for ~ 3.26596 min. 21:59:34 : Started scan on J1834-0426 for ~ 29.841 min. 22:30:19 : Started scan on 1822-096 for ~ 1.2527 min. 22:31:51 : Started scan on 1822-096 for ~ 3.13174 min. 22:32:00 : C04 started working after MCM resets, added to GAC. # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C06 C08 C10 C11 E02 S01 W01 Total=10 # BEAM-3:175 :: C00 C01 C02 C06 C08 C10 C11 E02 S01 W01 Total=10 # BEAM-4:130 :: C04 C05 C09 C13 C14 E03 E04 S02 S03 S04 W02 W03 W04 Total=13 # BEAM-4:175 :: C04 C05 C09 C13 C14 E03 E04 S02 S03 S04 W02 W03 W04 Total=13 22:36:09 : Started scan on J1820-0427 for ~ 61 min. 23:42:30 : Started scan on 3C286 for ~ 1.16322 min. 23:43:58 : Started scan on 3C286 for ~ 3.087 min. 23:49:11 : Started scan on J1543+0929 for ~ 90.4179 min. 01:23:42 : Started scan on 1822-096 for ~ 3.13174 min. 01:30:44 : Started scan on J1532+2745 for ~ 90.4179 min. 03:04:54 : Started scan on 1822-096 for ~ 3.087 min. 03:08:57 : Started scan on J1822-2256 for ~ 53.5528 min. 04:00:00 : Stopped scan and observing session over. -------------------------------------------------