GTAC Observation Log 1. Date : 15/06/2018 2. Observation Sr. No. : 10341 3. Observer : BHAL CHANDRA JOSHI, Yashwant Gupta, Manjari Bagchi, Prakash Arumugasamy, Krishnakumar MA, Suryarao Bethapudi, Kishalay De, Yogesh Maan, Mayuresh Surnis, Abhimanyu Susobhanan, Dhruv Pathak, Gopakumar Achamveedu, ARUN KUMAR NAIDU, Neelam Dhanda Batra, Siraprapa Sanpa-arsa 4. Observer's Email : bcj@ncra.tifr.res.in, ygupta@ncra.tifr.res.in, manjari.bagchi@gmail.com, prakash@ncra.tifr.res.in, kkma@ncra.tifr.res.in, ep14btech11008@iith.ac.in, kde@caltech.edu, ymaan@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, s.abhimanyu@tifr.res.in, pathakdhruv9786@gmail.com, gopu.tifr@gmail.com, arun@ncra.tifr.res.in, neelam.dhanda@gmail.com, s.tuck.sanpaarsa@gmail.com 5. Project Name : Indian Pulsar Timing Array (InPTA) experiment using the upgraded wideband GMRT and the ORT 6. Project Code : 34_102 7. Operator(s) : Navnath, Pramod, Surender 8. Command File : /odisk/gtac/cmd/bcj/15jun2018/obs.cmd 9. LTA File : /gwbifrdata1/15jun/34_102C_15jun2018_gwb.lta.1, /gwbifrdata1/15jun/34_102C_15jun2018_gwb.lta, /gwbifrdata1/15jun/34_102B_15jun2018_gwb.lta.1, /gwbifrdata1/15jun/34_102B_15jun2018_gwb.lta, /gwbifrdata1/15jun/34_102A_15jun2018_gwb.lta.1, /gwbifrdata1/15jun/34_102A_15jun2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_102C.FLAGS.10, /odisk/online1/logflags/34_102B.FLAGS.12, /odisk/online1/logflags/34_102B.FLAGS.11, /odisk/online1/logflags/34_102A.FLAGS.10 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C05 : : Painting Work W06 : : Surface Reflector Refurbishment 33. Note for Backup :[gpuuser@gwbh8 ~]$ ls -ltr /data*/gpuuser/34_102A_* [gpuuser@gwbh7 ~]$ ls -ltr /data*/gpuuser/34_102A_* [gpuuser@gwbh9 ~]$ ls -ltr /data*/gpuuser/34_102A_* 34. Start and End Time of Obs.(IST): 15 Jun 2018 11:00:00 - 15 Jun 2018 16:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 750 750 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 34_102C GPU_RF3 : 500 500 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 34_102B GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 34_102A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : Voltage GPU_BEAM_3 : PA 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 :: C03 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=11 # BEAM-1:175 :: C03 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=11 # BEAM-2:130 :: C01 C04 C06 C09 C12 Total=5 # BEAM-2:175 :: C01 C04 C06 C09 C12 Total=5 # BEAM-3:130 :: C00 C02 C08 E04 E05 E06 S03 S04 S06 W03 W04 W05 Total=12 # BEAM-3:175 :: C00 C02 C08 E04 E05 E06 S03 S04 S06 W03 W04 W05 Total=12 ---------------------------------------------------------------------- 10:30 : Started stup. # sub 2 # C00 C02 C08 W03 W04 W05 W06 E04 E05 E06 S03 S04 S06 ante 13 7 5 24 14 15 16 25 21 22 23 28 29 30 cp 0;defs 2;subar 2 # sub 3 # C01 C04 C06 C09 C12 ante 5 6 3 20 4 2 cp 0;defs 3;subar 3 # sub 4 # C03 C05 C10 C11 C13 C14 W01 W02 E02 E03 S01 S02 ante 12 1 19 12 9 11 10 8 13 17 18 26 27 cp 0;defs 4;subar 4 Started cmd file /odisk/gtac/cmd/bcj/15jun2018/obs.cmd 11:44:41 : Started scan on 3C48 for ~ 1.07374 min. 11:46:25 : Started scan on 3C48 for ~ 1.78957 min. 11:53:27 : Started scan on 3C48 for ~ 0.715828 min. 11:55:01 : Started scan on 3C48 for ~ 1.78957 min. 12:00:30 : Started scan on 3C48 for ~ 1.78957 min. 12:05:31 : Started scan on 3C48 for ~ 5.54766 min. 12:12:15 : Started scan on 3C48OFF for ~ 6.44245 min. 12:26:11 : Started scan on 0440-435 for ~ 1.43166 min. 12:28:13 : Started scan on 0440-435 for ~ 1.07374 min. 12:31:21 : Started scan on J0437-4715 for ~ 24.9645 min. 12:59:04 : Started scan on 0521-207 for ~ 1.52113 min. 13:01:06 : Started scan on 0521-207 for ~ 0.984263 min. 13:04:33 : Started scan on J0613-0200 for ~ 24.9645 min. 13:36:11 : Started scan on 3C147 for ~ 1.43166 min. 13:38:13 : Started scan on 3C147 for ~ 2.5054 min. 13:42:45 : Started scan on 3C147OFF for ~ 2.59488 min. 13:47:27 : Started scan on J0645+5158 for ~ 24.9645 min. 14:20:11 : Started scan on 0744-064 for ~ 1.43166 min. 14:22:03 : Started scan on 0744-064 for ~ 0.984263 min. 14:26:45 : Started scan on J0751+1807 for ~ 5.10027 min. 14:58:51 : Started scan on 0834+555 for ~ 1.43166 min. 15:08:53 : Started scan on 0834+555 for ~ 3.22122 min. 15:12:38 : Started scan on 0834+555 for ~ 0.984263 min. 15:21:52 : Started scan on J1012+5307 for ~ 24.9645 min. 15:50:22 : Started scan on 1021+219 for ~ 3.13175 min. 15:54:08 : Started scan on 1021+219 for ~ 0.984263 min. 16:07:55 : Started scan on J1022+1001 for ~ 24.7855 min. 16:32 : Stopped command file and observation session is over. ----------------------------------------------------------------------- NOTE : Please change the time after phasing from 5s to 60s in command file. Example : old => /cmd2 "/phase_gwb.pl -r C00 -s 2 -t 40 -p 34_102C" time 5s /cmd3 "strtndas" /cmd3 "/phase_gwb.pl -r C09 -s 3 -t 50 -p 34_102B" time 5s strtndas /phase_gwb.pl -r C03 -s 4 -t 60 -p 34_102A time 5s New : /cmd2 "/phase_gwb.pl -r C00 -s 2 -t 40 -p 34_102C" time 60s /cmd3 "strtndas" /cmd3 "/phase_gwb.pl -r C09 -s 3 -t 50 -p 34_102B" time 60s strtndas /phase_gwb.pl -r C03 -s 4 -t 60 -p 34_102A time 5s