GTAC Observation Log 1. Date : 09/07/2018 2. Observation Sr. No. : 10402 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) : Deepak, Navnath, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/bcj/08jul18/34_102_set2_08july18.cmd.txt 9. LTA File : /gwbifrdata2/08jul/34_102C_suba2_lo750_08jul2018_gwb.lta.3, /gwbifrdata2/08jul/34_102C_suba2_lo750_08jul2018_gwb.lta.2, /gwbifrdata2/08jul/34_102C_suba2_lo750_08jul2018_gwb.lta, /gwbifrdata2/08jul/34_102B_suba3_lo500_08jul2018_gwb.lta.4, /gwbifrdata2/08jul/34_102B_suba3_lo500_08jul2018_gwb.lta.3, /gwbifrdata2/08jul/34_102B_suba3_lo500_08jul2018_gwb.lta, /gwbifrdata2/08jul/34_102A_suba4_lo1460_08jul2018_gwb.lta.8, /gwbifrdata2/08jul/34_102A_suba4_lo1460_08jul2018_gwb.lta.7, /gwbifrdata2/08jul/34_102A_suba4_lo1460_08jul2018_gwb.lta 10. LogFlag File : 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C09 : Mechanical work. 33. Note for Backup :gwbh7,8,9 : /data6/gpuuser/ 34. Start and End Time of Obs.(IST): 08 Jul 2018 17:00:00 - 09 Jul 2018 04:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 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 C05 C10 C11 C13 C14 E02 E03 S02 W01 W02 Total=11 # BEAM-1:175 :: C03 C05 C10 C11 C13 C14 E02 E03 S02 W01 W02 Total=11 # BEAM-2:130 :: C01 C04 C06 C12 Total=4 # BEAM-2:175 :: C01 C04 C06 C12 Total=4 # BEAM-3:130 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-3:175 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 --------------------------------------------------------------------------- ###610MHz - GABLO 750 MHz Beam-3 # 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 ###325MHz - GABLO 500 MHz Beam-2 # sub 3 # C01 C04 C06 C09 C12 ante 5 6 3 20 4 2 cp 0;defs 3;subar 3 ###1460MHz - GABLO 1460 MHz Beam-1 # 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 --------------------------------------------------------------------------- 17:00 : Started settings. 18:00 : Power equalized on 1419+064 @ 150 counts. 18:15 : '/odisk/gtac/cmd/bcj/08jul18/34_102_set2_08july18.cmd.txt' command file started. 19:25 : S01 added in GAC. --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=12 # BEAM-1:175 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=12 # BEAM-2:130 :: C01 C04 C06 C12 Total=4 # BEAM-2:175 :: C01 C04 C06 C12 Total=4 # BEAM-3:130 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-3:175 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 --------------------------------------------------------------------------- ----------------------------------------------------------------------- 18:10:13 : Started scan on 3C286 for ~ 2.058 min. 18:12:53 : Started scan on 3C286 for ~ 2.59488 min. 18:16:01 : Started scan on 3C286 for ~ 5.27923 min. 18:21:30 : Started scan on 3C286 for ~ 2.86331 min. 18:29:10 : Started scan on 3C286 for ~ 2.59488 min. 18:34:11 : Started scan on 3C286OFF for ~ 2.59488 min. 18:41:51 : Started scan on 1419+064 for ~ 1.34218 min. 18:43:44 : Started scan on 1419+064 for ~ 1.16322 min. 18:49:03 : Started scan on J1455-3330 for ~ 27.4699 min. 19:22:43 : Started scan on 1419+064 for ~ 1.34218 min. 19:24:36 : Started scan on 1419+064 for ~ 1.16322 min. 19:29:18 : Started scan on J1600-3053 for ~ 24.9645 min. 19:57:01 : Started scan on 1822-096 for ~ 1.52113 min. 19:59:03 : Started scan on 1822-096 for ~ 0.984263 min. 20:02:39 : Started scan on J1614-2230 for ~ 24.9645 min. 20:32:15 : Started scan on 1609+266 for ~ 1.34218 min. 20:34:08 : Started scan on 1609+266 for ~ 0.984263 min. 20:37:44 : Started scan on J1640+2224 for ~ 25.1434 min. 21:05:55 : Started scan on 1822-096 for ~ 1.34218 min. 21:07:48 : Started scan on 1822-096 for ~ 1.16322 min. 21:12:30 : Started scan on J1643-1224 for ~ 24.9645 min. 21:40:03 : Started scan on 1822-096 for ~ 1.2527 min. 21:41:56 : Started scan on 1822-096 for ~ 1.16322 min. 21:45:41 : Started scan on J1713+0747 for ~ 24.9645 min. 22:13:15 : Started scan on 1822-096 for ~ 1.2527 min. 22:15:08 : Started scan on 1822-096 for ~ 1.16322 min. 22:18:44 : Started scan on J1730-2304 for ~ 25.1434 min. 22:46:27 : Started scan on 1822-096 for ~ 1.2527 min. 22:48:19 : Started scan on 1822-096 for ~ 1.16322 min. 22:52:33 : Started scan on J1738+0333 for ~ 25.1434 min. 23:20:16 : Started scan on 1822-096 for ~ 1.2527 min. 23:22:09 : Started scan on 1822-096 for ~ 0.984263 min. 23:26:04 : Started scan on J1857+0943 for ~ 24.9645 min. 23:54:34 : Started scan on 1830-360 for ~ 1.43166 min. 23:56:36 : Started scan on 1830-360 for ~ 0.984263 min. ----------------------------------------------------------------------- /gwbifrdata2/08jul/34_102A_suba4_lo1460_08jul2018_gwb.lta.7 ----------------------------------------------------------------------- 00:01:27 : Started scan on J1909-3744 for ~ 5.72662 min. --- Bad Scan ----------------------------------------------------------------------- /gwbifrdata2/08jul/34_102A_suba4_lo1460_08jul2018_gwb.lta.8 00:00 :Restarted GWB chain. ----------------------------------------------------------------------- 00:11:52 : Started scan on 1830-360 for ~ 4.5634 min. 00:16:43 : Started scan on 1830-360 for ~ 1.78957 min. 00:23:27 : Started scan on J1909-3744 for ~ 24.9645 min. 00:51:01 : Started scan on 1822-096 for ~ 1.34218 min. 00:52:54 : Started scan on 1822-096 for ~ 0.984263 min. 01:01:02 : Started scan on J1939+2134 for ~ 15.9272 min. 01:23:54 : Started scan on 2225-049 for ~ 1.2527 min. 01:25:47 : Started scan on 2225-049 for ~ 0.984263 min. 01:29:13 : Started scan on J2124-3358 for ~ 25.1434 min. 01:56:56 : Started scan on 2225-049 for ~ 1.16322 min. 01:58:40 : Started scan on 2225-049 for ~ 1.16322 min. 02:01:29 : Started scan on J2145-0750 for ~ 24.9645 min. 02:28:15 : Started scan on 2225-049 for ~ 1.34218 min. 02:30:08 : Started scan on 2225-049 for ~ 0.984263 min. 02:33:44 : Started scan on J2317+1439 for ~ 26.0382 min. 03:03:57 : Started scan on 2202+422 for ~ 1.34218 min. 03:05:50 : Started scan on 2202+422 for ~ 0.984263 min. 03:08:39 : Started scan on J2302+4442 for ~ 24.9645 min. 03:36:13 : Started scan on 3C48 for ~ 1.34218 min. 03:38:06 : Started scan on 3C48 for ~ 1.07374 min. 03:44:50 : Started scan on 3C48OFF for ~ 3.84757 min. 03:50:00 : Observation session over. -----------------------------------------------------------------------