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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 ...
RFinder's main service is the World Wide Repeater Directory (WWRD), which is a directory of amateur radio repeaters. RFinder is the official repeater directory of several amateur radio associations. RFinder has listings for several amateur radio modes , including FM , D-STAR , DMR , and ATV .
The Surplus Radio Society, a Dutch society of collectors of old ex-military radio equipment and other nostalgic receivers and transmitters holds weekly radio activity nets every Sunday on 3.575 MHz CW / 3.705 MHz AM and sponsors several flea markets and exchange fairs each year. [34]
Radio Amateur Satellite Corporation (AMSAT) - Organization dedicated exclusively to amateur radio communications via artificial orbiting satellites Royal Naval Amateur Radio Society - a specialised group or club for amateur radio operators who have a link with maritime employment
A net is nothing more than a time of day and a radio frequency where the appropriate group of amateur operators can meet to send the messages on their way. ARRL Radiogram traffic typically begins and ends its journey at local nets, often through nearby repeaters. Local nets typically involve city or county-wide coverage on VHF (2-metre band) or ...
Members of the ham radio activity group at RWTH Aachen University designed and developed DAPNET from scratch as a modern software approach. [ 1 ] As of March 2018, over 90 transmitters were already in permanent operation, and the coverage area included parts of Germany , the Netherlands , Belgium , and Switzerland , [ 2 ] with Raspberry Pi ...
An ARRL radiogram is an instance of formal written message traffic routed by a network of amateur radio operators through traffic nets, called the National Traffic System (NTS). It is a plaintext message, along with relevant metadata (headers), that is placed into a traffic net by an amateur radio operator. Each radiogram is relayed, possibly ...
The Salvation Army Team Emergency Radio Network (SATERN) is a network of volunteer amateur radio operators based in North America. It works to provide emergency communications between Salvation Army posts during times of disaster, and to pass messages with health and welfare information between the Salvation Army and the general public.