San Francisco State University Physics and Astronomy Department SFSU Pacific Oceanography Project SFSU Private Area - Material on this page is work in progress; results and conclusions may change without notice. ( SFSU private research page |PSM home )

Test of PSM VLA Integrity

• Measurement of height of hydrophones in water using interference with bottom-reflected wave.

  spectrograms for boat signal on day 315 of 2001, 21:00

  spectrograms for boat signal on day 199 of 2002, 5:15

  spectrograms for boat signal on day 200 of 2002, 23:30

• Incident on July 14 (day 195), 2002, where the signal from hydrophone 4 was lost. Details of the hydrophone signals are shown. There was an earthquake about an hour before the signal disappeared.

  Time series on all 4 hydrophones during earthquake at 8:33:55 UT.

  Time series where hydrophone 4 disappears at 9:40:42.5.