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Open Tuner 0.B, published by ZR6TG, is an open-source Windows utility designed for real-time reception and display of digital amateur television streams by interfacing directly with the BATC Minitiouner hardware through a USB connection. Positioned within the amateur-radio/video-capture category, the lightweight client eliminates the need for proprietary middleware, giving operators full command of tuning parameters, symbol-rate selection, and constellations such as DVB-S, DVB-S2 and QPSK on 146, 437 or 1.2 GHz bands. Typical use cases include field-day DATV demonstrations, ground-station feeds for high-altitude balloon payloads, repeater output monitoring, and low-latency contest contribution to the British Amateur Television Club’s online viewer, all while keeping CPU load modest on notebooks deployed at portable sites. Because the program exposes raw UDP and RTP streams, it also integrates cleanly with network analyzers or VLC for further re-multiplexing, recording or re-broadcasting. Version 0.B represents the first public release, offering an auto-detection routine that enumerates the Minitiouner’s FTDI bridge on connection, a resizable constellation window for rapid signal-quality assessment, and preset memories for common European and North-American transponder offsets. Continued development is tracked on the author’s GitHub page, where bug reports and feature requests are collated for future milestones. Open Tuner is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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