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IS55 Pentagon-Triangle Array Performance

IS55 Pentagon-Triangle Array Performance. Infrasound Technical Workshop, Kailua-Kona, Hawaii12-15 November 2001 By Charles R. Wilson and John V. Olson, Geophysical Institute,University of Alaska,093 Koyukuk Dr.,Fairbanks, AK 99775-7320. IS53. IS55. IS53 Impulse Response, Fairbanks .

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IS55 Pentagon-Triangle Array Performance

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  1. IS55 Pentagon-Triangle Array Performance Infrasound Technical Workshop, Kailua-Kona, Hawaii12-15 November 2001 By Charles R. Wilson and John V. Olson, Geophysical Institute,University of Alaska,093 Koyukuk Dr.,Fairbanks, AK 99775-7320

  2. IS53

  3. IS55

  4. IS53 Impulse Response, Fairbanks

  5. IS55 Impulse Response, Windless Bight

  6. IS55 Imp. Res.

  7. IS55, N=5, Imp. Res. pentagon sensors only

  8. Triangle sensors only xxxxxxxxxxxxxxxxxxxxx ………………………… Imp. Res. IS55, N = 3

  9. IS55, N=7, one pentagon sensor missing

  10. IS55, N=7, one triangle sensor missing

  11. IS55, N=6, 2 pentagon sensors missing

  12. IS55, N = 7, 2 adjacent pentagon sensors missing

  13. IS55, N=6, 2 triangle sensors missing

  14. IS55, N = 4, H1,H3 pentagon and H7,H8 triangle missing

  15. IS55 array all 8 sensors operating State Detector D contour plot in Slo.-Az. Plane,test signal, Period = 5 sec,Azimuth =120 deg., Slowness =3 sec/km

  16. IS55 N=7,one pentagon sensor missing

  17. IS55, N = 6, one pent.& one tri. Sensor missing

  18. IS55, N = 6, two pentagon sensors missing,H1,H3

  19. IS55, N = 5, H1&H3 Pent. and H6 Tri. missing

  20. IS55, N = 4, Pent. H1,H3, & Tri. H7,H8 missing

  21. Fairbanks IS53 D0E array, 2000 to present

  22. Fairbanks IS53 DoE array, 2000 to present

  23. Windless Bight, IS55 installed 8 sensor array

  24. Windless Bight IS55 installed 8 sensor array

  25. IS55, 7 sensor array as presently operating, H3 not online

  26. IS55, 7 sensor array as presently operating, H3 not online

  27. Uncertainty ellipse in velocity and slowness, Fai. MAW event

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