217hydrophone recording intervalsguarded 5–100 Hz nominal pressure with explicit gap masks

28,890AIS arrival markerstiming and geometry annotations; not detections

217interval summariesone compact summary per hydrophone recording interval with complete inputs

79hydrophone array recording intervalscontinuous array recording intervals covered by at least one hydrophone

79combined summarieslinear-power combination; no combined pressure waveform

Find a station, hydrophone array, hydrophone, or UTC time

HA01

H01W · H01W1

Start: 2025-01-12 02:45:05 UTC
End: 2025-01-12 03:45:05 UTC
Hydrophone channel: EDH
Recording interval identity: node-waveform-span-8fc33dfd2d841ad5ecaae2da

1
HoldingEDH · 1 AIS arrival marker
2
Nominal pressureguarded 5–100 Hz nominal pressure complete
3
Spectrogramtime × frequency field
4
Welch PSDsliding spectral view
5
Tonesdetections and tracks
6
Percentileswaiting for support
7
Anomalieswaiting for prescribed 3+1 background

AIS arrivals mark predicted timing context. They are not acoustic detections or ship attribution.

Context & definitions

Backwards from waveform

Waveform products

Select one recording interval, then follow it through every current product family. Restricted waveform samples stay local; their support, response basis, masks, and derived products remain visible.