Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...

Abstract: Currently, HF channel occupancy studies focus on employing wideband channels that occupy 4-16 contiguous narrowband channels. This requires to do research into the methods of sounding ...

Issued at 5:15 pm EDT on Thursday 16 October 2025 for the period until midnight EDT Sunday 19 October 2025. Please be aware Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger ...

Every day, the Bureau of Meteorology's routine marine and ocean service provides critical wind, wave and ocean information that will assist racing yachts plan for a safe journey. Between Boxing Day ...