GTAC Observation Log 1. Date : 17/03/2018 2. Observation Sr. No. : 10160 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) : Deepak, Navnath, Sachin 8. Command File : /odisk/gtac/cmd/33_076/17mar18/obs.cmd 9. LTA File : /gwbifrdata2/17mar/33_076_17mar2018_suba4_Lband_gwb.lta, /gwbifrdata2/17mar/33_076C_17mar2018_suba3_750_gwb.lta, /gwbifrdata2/17mar/33_076B_17mar2018_suba2_500_gwb.lta 10. LogFlag File : /odisk/online1/logflags/33_076C.FLAGS.26, /odisk/online1/logflags/33_076B.FLAGS.26, /odisk/online1/logflags/33_076.FLAGS.36 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,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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup :[gpuuser@gwbh7 ~]$ ls -ltr /data5/gpuuser/33_076_17mar2018/* [gpuuser@gwbh8 ~]$ ls -ltr /data5/gpuuser/33_076_17mar2018/ [gpuuser@gwbh9 ~]$ ls -ltr /data5/gpuuser/33_076_17mar2018/* [gpuuser@gwbh10 ~]$ ls -ltr /data5/gpuuser/33_076_17mar2018/* 34. Start and End Time of Obs.(IST): 17 Mar 2018 16:00:00 - 17 Mar 2018 21:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : * sub 4 # C00 C05 C08 C10 C11 C12 C13 C14 W03 W04 W05 W06 E02 E04 E05 E06 S03 S04 S06 ante 19 7 19 24 12 9 2 11 10 14 15 16 25 17 21 22 23 28 29 30 * sub 3 # C02 C03 C09 W02 E03 S02 ante 6 5 1 4 13 18 27 * sub 2 # C01 C04 C06 W01 S01 ante 5 6 3 20 8 26 ======================================================================= ------------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 -------------------------------- 15:40 : Started three subarry setup. 15:50 : Started power eq. 16:05 : Started phasing. 16:15 : Started cmd file. /odisk/gtac/cmd/33_076/17mar18/obs.cmd # 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 :: C01 C04 C06 S01 W01 Total=5 # BEAM-2:175 :: C01 C04 C06 S01 W01 Total=5 # 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 16:17:56 : Started scan on J0340+4130 for ~ 20.6695 min. 16:42:45 : Started scan on 3C48 for ~ 1.34218 min. 16:44:28 : Started scan on 3C48 for ~ 0.805306 min. 16:48:18 : Started scan on J0023+0923 for ~ 20.5353 min. 17:13:59 : Started scan on 0440-435 for ~ 1.20796 min. 17:15:43 : Started scan on 0440-435 for ~ 0.805306 min. 17:18:36 : Started scan on J0437-4715 for ~ 20.6695 min. 17:44:27 : Started scan on 0534+194 for ~ 1.20796 min. 17:46:10 : Started scan on 0534+194 for ~ 0.805306 min. 17:50:24 : Started scan on J0613-0200 for ~ 20.6695 min. 18:17:57 : Started scan on 3C147 for ~ 1.07374 min. 18:19:36 : Started scan on 3C147 for ~ 0.805306 min. 18:23:03 : Started scan on J0645+5158 for ~ 20.5353 min. 18:49:40 : Started scan on 0744-064 for ~ 1.20796 min. 18:51:23 : Started scan on 0744-064 for ~ 0.805306 min. 18:55:32 : Started scan on J0751+1807 for ~ 20.5353 min. 19:20:21 : Started scan on 0834+555 for ~ 1.20796 min. 19:22:00 : Started scan on 0834+555 for ~ 0.805306 min. 19:25:17 : Started scan on J1012+5307 for ~ 20.6695 min. 19:51:45 : Started scan on 0837-198 for ~ 1.34218 min. 19:53:28 : Started scan on 0837-198 for ~ 0.805306 min. 19:58:05 : Started scan on J1022+1001 for ~ 20.5353 min. 20:22:50 : Started scan on 0837-198 for ~ 1.20796 min. 20:24:33 : Started scan on 0837-198 for ~ 0.805306 min. 20:25:00 : GAC updated. C14 added to GAC. 20:28:42 : Started scan on J1024-0719 for ~ 20.5353 min. 20:50:00 : Observation session over. -----------------------------------------------------------------------