This protocol is unicast and connection-based. This program is useful for multicasting files over lossy connections such as those found on High frequency (HF) or during emergency communications.įlarq implements the ARQ specification developed by Paul Schmidt, K9PS to transfer emails, text files, images, and binary files over radio. When all parts are correctly received the sent file is re-assembled and can be saved by receiving stations. The program breaks a given file into multiple smaller pieces, checksums each piece, then transmits each piece one or more times. Some of the Suite are however standalone programs used for utility or testing purposes only, with no connection to the Fldigi main modem.įlamp implements the Amateur Multicast Protocol by Dave Freese, W1HKJ and is a tool for connectionless transferring of files to multiple users simultaneously without requiring any existing infrastructure. Interconnection between these programs and the Fldigi modem is made over TCP/IP port 7322. ![]() Most of these extensions add more capabilities to Fldigi such as verified file transfer and message passing. The "Fldigi Suite" consists of the Fldigi modem and all extension programs released by the same development group.
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