GTAC Observation Log 1. Date : 31/12/2017 2. Observation Sr. No. : 9996 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com 5. Project Name : Towards precision pulsar timing with the upgraded GMRT 6. Project Code : 33_076 7. Operator(s) : Navnath, Sachin 8. Command File : /odisk/gtac/cmd/33_076/31dec/cmdfile_33_076_3-freqs_4-beams_S2_31dec17.txt 9. LTA File : /gwbifrdata/31dec/33_076_31dec2017_1460_suba4.lta, /gwbifrdata/31dec/33_076C_31dec2017_750_suba3.lta, /gwbifrdata/31dec/33_076B_31dec2017_500_suba2.lta 10. LogFlag File : /odisk/online1/logflags/33_076C.FLAGS.15, /odisk/online1/logflags/33_076C.FLAGS.14, /odisk/online1/logflags/33_076B.FLAGS.15, /odisk/online1/logflags/33_076B.FLAGS.14, /odisk/online1/logflags/33_076.FLAGS.21, /odisk/online1/logflags/33_076.FLAGS.20 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 dB, 32 MHz,OFF 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) : 1454 1454 1505 1505 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) : C14 : : Strucratl Repair Work E06 : : Painting Work C01 : : MCM 5 Time out. 33. Note for Backup :[gpuuser@gwbh7 ~]$ ls -ltr /data5/gpuuser/33_076_31dec2017/* [gpuuser@gwbh8 ~]$ ls -ltr /data5/gpuuser/33_076_31dec2017/* [gpuuser@gwbh8 ~]$ ls -ltr /data5/gpuuser/33_076_31dec2017/* [gpuuser@gwbh9 ~]$ ls -ltr /data5/gpuuser/33_076_31dec2017/* [gpuuser@gwbh10 ~]$ ls -ltr /data5/gpuuser/33_076_31dec2017/* 34. Start and End Time of Obs.(IST): 31 Dec 2017 07:40:00 - 31 Dec 2017 14:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 07:00 : Started feed ratation at L band. 07:20 : Started pntg run at 1390. 07:50 : PNTG done. 08:00 : Started RF,GAB and Corr Setup for Band3,band4 and band5. 08:05 : Subar splitting into trhee different subarray done. # sub 2 # C01 C04 C06 W01 S01 @ 470 Mhz # sub 3 # C02 C03 C09 W02 E03 S02 @ @ 685 Mhz # sub 4 # C00 C05 C08 C10 C11 C12 C13 C14 W03 W04 W05 W06 E02 E04 E05 E06 S03 S04 S06 @ 1460 Mhz. 08:10 : GAB and Corrlator Configured. ------------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_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 33_076B GPU_RF3 : 750 750 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 33_076C GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_076 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : PA 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 ------------------------------- 08:13 : Started power eq on 3c286 at 150 counts. 08:20 : Started phasing for three subaray. 08:19:05 : Started scan on 3C286 for ~ 3.89231 min. 08:31:27 : Started scan on 1248-199 for ~ 0.805306 min. 08:32:33 : Started scan on 1248-199 for ~ 1.07374 min. 08:33:00 : Started cmd file. "/odisk/gtac/cmd/33_076/31dec/cmdfile_33_076_3-freqs_4-beams_S2_31dec17.txt" # BEAM-1:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 E06 S03 S04 S06 W03 W04 W05 W06 Total=18 # BEAM-1:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 E06 S03 S04 S06 W03 W04 W05 W06 Total=18 # BEAM-2:130 :: C04 C06 S01 W01 Total=4 # BEAM-2:175 :: C04 C06 S01 W01 Total=4 # BEAM-3:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 E06 S03 S04 S06 W03 W04 W05 W06 Total=18 # BEAM-3:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 E06 S03 S04 S06 W03 W04 W05 W06 Total=18 # BEAM-4:130 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-4:175 :: C02 C03 C09 E03 S02 W02 Total=6 08:38:06 : Started scan on 1311-222 for ~ 1.20796 min. 08:39:40 : Started scan on 1311-222 for ~ 0.805306 min. 08:43:26 : Started scan on J1455-3330 for ~ 20.5353 min. 09:08:15 : Started scan on 1822-096 for ~ 1.07374 min. 09:09:44 : Started scan on 1822-096 for ~ 0.805306 min. 09:13:48 : Started scan on J1614-2230 for ~ 20.6695 min. 09:47:19 : Started scan on 1609+266 for ~ 1.07374 min. 09:50:00 : C14 and E06 parked for painting and Structural repair work. # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C05 C08 C10 C11 C12 C13 E02 E05 S03 S04 S06 W03 W04 W05 W06 Total=16 # BEAM-1:175 :: C00 C05 C08 C10 C11 C12 C13 E02 E05 S03 S04 S06 W03 W04 W05 W06 Total=16 # BEAM-2:130 :: C04 C06 S01 W01 Total=4 # BEAM-2:175 :: C04 C06 S01 W01 Total=4 # BEAM-3:130 :: C00 C05 C08 C10 C11 C12 C13 E02 E05 S03 S04 S06 W03 W04 W05 W06 Total=16 # BEAM-3:175 :: C00 C05 C08 C10 C11 C12 C13 E02 E05 S03 S04 S06 W03 W04 W05 W06 Total=16 # BEAM-4:130 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-4:175 :: C02 C03 C09 E03 S02 W02 Total=6 09:48:48 : Started scan on 1609+266 for ~ 0.939523 min. 09:53:11 : Started scan on J1640+2224 for ~ 20.5353 min. 10:19:16 : Started scan on 1830-360 for ~ 1.07374 min. 10:20:45 : Started scan on 1830-360 for ~ 0.805306 min. 10:26:00 : Started scan on J1713+0747 for ~ 20.5353 min. 10:51:12 : Started scan on 1830-360 for ~ 1.07374 min. 10:52:41 : Started scan on 1830-360 for ~ 0.939523 min. 10:56:36 : Started scan on J1730-2304 for ~ 20.6695 min. 11:20:29 : Started scan on 1830-360 for ~ 1.07374 min. 11:22:03 : Started scan on 1830-360 for ~ 0.805306 min. 11:26:59 : Started scan on J1738+0333 for ~ 20.5353 min. 11:51:48 : Started scan on 1830-360 for ~ 1.20796 min. 11:53:17 : Started scan on 1830-360 for ~ 0.805306 min. 11:58:32 : Started scan on J1741+1351 for ~ 20.5353 min. 12:23:31 : Started scan on 1830-360 for ~ 0.939523 min. 12:25:00 : Started scan on 1830-360 for ~ 0.805306 min. 12:30:05 : Started scan on J1857+0943 for ~ 20.5353 min. 12:55:04 : Started scan on 1830-360 for ~ 1.07374 min. 12:56:33 : Started scan on 1830-360 for ~ 0.805306 min. 12:59:32 : Started scan on J1909-3744 for ~ 20.6695 min. 13:27:01 : Started scan on 2202+422 for ~ 1.07374 min. 13:28:30 : Started scan on 2202+422 for ~ 0.805306 min. 13:31:47 : Started scan on J2302+4442 for ~ 20.79788 min. 13:52:00 : Observation session over. =================================================================