GTAC Observation Log 1. Date : 19/12/2017 2. Observation Sr. No. : 9966 3. Observer : BHAL CHANDRA JOSHI, ARUN KUMAR NAIDU, Vishal R Gajjar, Geoffrey Wright 4. Observer's Email : bcj@ncra.tifr.res.in, arun@ncra.tifr.res.in, vishalg@berkeley.edu, geoffrey.wright@manchester.ac.uk 5. Project Name : Study of post null sub-pulse memory in the new coherent drifter PSR J 0934-5249 at multiple frequencies with uGMRT 6. Project Code : 33_047 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd 9. LTA File : /gwbifrdata1/19dec/33_047_19dec2017_950_400_LSB_suba3.lta, /gwbifrdata1/19dec/33_047_19dec2017_500_400_LSB_suba4.lta, /gwbifrdata1/19dec/33_047_19dec2017_1500_400_LSB_suba2.lta.1 10. LogFlag File : /odisk/online1/logflags/33_047C.FLAGS.3, /odisk/online1/logflags/33_047B.FLAGS.1, /odisk/online1/logflags/33_047A.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S06 : : Servo problem E04 : : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Dec 2017 02:00:00 - 19 Dec 2017 06:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : #1420 Mhz# sub 2 # C02 W02 W03 W04 W05 W06 E03 E04 E05 E06 S02 S03 S04 S06 ante 14 5 13 14 15 16 25 18 21 22 23 27 28 29 30 cp 0;defs 2;subar 2 # 725Mhz # sub 3 # C03 C05 C11 C13 C14 W01 E02 S01 ante 8 1 19 9 11 10 8 17 26 cp 0;defs 3;subar 3 # 325 Mhz# sub 4 # C00 C01 C04 C06 C08 C09 C10 C12 ante 8 7 6 3 20 24 4 12 2 cp 0;defs 4;subar 4 02:00 : Started setup. 02:15 : Power eq done. 02:30 : phasing done. # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C04 C06 C08 C09 C10 C12 Total=8 # BEAM-1:175 :: C00 C01 C04 C06 C08 C09 C10 C12 Total=8 # BEAM-2:130 :: C03 C05 C11 C13 C14 E02 S01 W01 Total=8 # BEAM-2:175 :: C03 C05 C11 C13 C14 E02 S01 W01 Total=8 # BEAM-3:130 :: C02 E03 E05 S02 S03 S04 W02 W03 W04 Total=9 # BEAM-3:175 :: C02 E03 E05 S02 S03 S04 W02 W03 W04 Total=9 # BEAM-4:130 :: Total=0 # BEAM-4:175 :: Total=0 ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 1500 1500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 33_047C GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_047A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 01:59:04 : Started scan on 0837-198 for ~ 3.22122 min. 02:02:31 : Started scan on 0837-198 for ~ 3.22122 min. 02:06:07 : Started scan on 0837-198 for ~ 3.48966 min. 02:09:52 : Started scan on 0837-198 for ~ 2.81857 min. 02:12:51 : Started scan on 0837-198 for ~ 6.03979 min. 02:24:40 : Started scan on 0837-198 for ~ 5.23449 min. 03:08:03 : Started scan on 0837-198 for ~ 2.2817 min. 03:10:38 : Started scan on 0837-198 for ~ 4.69762 min. 03:15:34 : Started scan on 0837-198 for ~ 1.61061 min. 03:25:26 : Started scan on B0932-52 for ~ 51.5396 min. 04:19:50 : Started scan on 0837-198 for ~ 1.34218 min. 04:21:24 : Started scan on 0837-198 for ~ 1.34218 min. 04:24:51 : Started scan on B0932-52 for ~ 49.3921 min. 05:16:36 : Started scan on 0837-198 for ~ 1.47639 min. 05:18:20 : Started scan on 0837-198 for ~ 5.10027 min. 05:23:53 : Started scan on 0837-198 for ~ 4.02653 min. 05:29:36 : Started scan on 0837-198 for ~ 4.29496 min. 05:37:45 : Started scan on 3C147 for ~ 4.69762 min. 05:43:32 : Started scan on 3C147 for ~ 4.02653 min. 05:48:47 : Started scan on 3C147 for ~ 13.95279 min. 06:00:00 : Observation session over ============================================ data on gwbh7,gwbh8,gwbh9 /data7/gpuuser/33_047A_19dec2017: ===========================================