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APRS UI-WebServer
Port 14439 is primarily used by the UI-WebServer component of APRS UI-View, a Windows program for Amateur Radio enthusiasts leveraging APRS (Automatic Packet Reporting System). It facilitates remote web-based access to APRS data, enabling users to monitor real-time tracking information and exchange messages via a web browser. This allows a convenient interface for radio operators and remote users to access and manage APRS transmissions..
The APRS UI-WebServer operates over port 14439 mainly via TCP. It complements UI-View software, a popular Windows-based APRS client used by Amateur Radio operators. UI-View receives APRS packets either from radios or internet sources (APRS-IS) and processes this data to display positions, messages, and telemetry.
The UI-WebServer feature lets operators publish their APRS data as a lightweight website accessible remotely via browsers. It typically serves HTML pages which update with real-time vehicle tracking, weather data collected from remote stations, and messaging logs, making APRS data more accessible beyond a radio-only environment. This web interface is often customized for personal or local club use.
As a Windows-based server, it listens on port 14439 for inbound HTTP connections, handling simple requests without requiring a full-fledged web server package like IIS or Apache. The simplicity facilitates easy setup but limits advanced security or functionality options. It is generally used within trusted amateur radio communities or intranets.