Flamp

Flamp 2.2.14, released by W1HKJ Software, is a specialized file-transfer utility built around the Amateur Radio Multicast Protocol, enabling radio operators to distribute files reliably to multiple recipients in a single transmission. Designed for the ham-radio community, the application encodes documents, images, or plain-text bulletins into a sequence of robust, error-correcting blocks that can be broadcast over HF, VHF, or UHF channels; each receiving station reassembles the blocks automatically, verifying integrity through an embedded checksum and requesting automatic retransmission of any missing fragments. Typical use cases include distributing contest logs, propagation reports, emergency-operations plans, or club newsletters to a net of stations without tying up the frequency with repeated one-to-one transfers, making it especially valuable during field-day events, disaster drills, or public-service exercises where bandwidth is limited and many operators need identical information. Because the protocol tolerates variable signal conditions and intermittent fading, flamp is frequently paired with fldigi or other sound-card modems to move data through noisy or QRP paths; operators can queue multiple files, set block size and repetition count to match band occupancy, and monitor progress via a simple grid that shows which stations have acknowledged each segment. The program runs natively on Windows, integrates with existing ham-shack logging and messaging suites, and stores its modest configuration in portable text files so a USB stick can carry the same setup from the home station to a remote site. Flamp is available for free on get.nero.com, with downloads delivered through trusted Windows package sources such as winget, always providing the latest version and supporting batch installation alongside other applications.

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