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An amateur radio installation on a 28' yacht, including 100W HF transceiver with microphone, manual antenna tuner, and morse key. Maritime mobile amateur radio is an amateur radio transmission license that allows maritime operators to install and use radio while they operating at sea. The call sign of operators is extended by adding the suffix ...
An amateur radio net, or simply ham net, is an "on-the-air" gathering of amateur radio operators.Most nets convene on a regular schedule and specific frequency, and are organized for a particular purpose, such as relaying messages, discussing a common topic of interest, in severe weather (for example, during a Skywarn activation), emergencies, or simply as a regular gathering of friends for ...
For amateur radio nets, it's typically for the purpose of allowing stations to discuss their recent operating activities (stations worked, antennas built, etc.) or to swap equipment. For Military Auxiliary Radio System and National Traffic System nets, net business will involve mainly the passing of formal messages, known as radiograms .
Royal Naval Amateur Radio Society - a specialised group or club for amateur radio operators who have a link with maritime employment Tucson Amateur Packet Radio (TAPR) - Dedicated to packet radio, digital communications and digital technology in amateur radio including software-defined radio
This map shows all the countries that currently have an official Amateur Radio presence on 5 MHz / 60 m, whether it be by WRC-15, Article 4.4, Special Individual Permits, Trial and/or Emergency Basis, or any combination of these. The 60-meter band or 5MHz band is a relatively new amateur radio allocation.
Marine radio was the first commercial application of radio technology, allowing ships to keep in touch with shore and other ships, and send out a distress call for rescue in case of emergency. Guglielmo Marconi invented radio communication in the 1890s, and the Marconi Company installed wireless telegraphy stations on ships beginning around 1900.
A constitution for the IARU was adopted on April 17, and the formation of the International Amateur Radio Union was ratified on April 18, 1925. [6] In the current era, this is the date (April 18) on which World Amateur Radio Day is celebrated. [7] The protocol of the congress was written in English, French and Esperanto. [8]
Map of the 21 NAVAREAS into which all the world's oceans are divided. Each serves to allocate responsibility for sending Marine and Safety Information (navigational warnings) to ships at sea, as part of the Global Maritime Distress and Safety System (GMDSS). A list of Navtex stations.