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MultiPSK 4.50.1 by F6CTE is a multimode digital transceiver application designed for amateur-radio and short-wave-listening operators who need to encode and decode a wide spectrum of digital modes within a single Windows interface. The program integrates more than sixty different protocols—including PSK, RTTY, MFSK, Olivia, FT8, JT65, WSPR, LoRa, Q65, VARA, PACTOR, ARQ, AX.25, APRS, CW, Hell, SSTV, NAVTEX, SYNOP, SHIP, DSC, ACARS, HFDL, MIL-STD, and WEATHER-FAX—allowing users to switch instantly between narrow-band weak-signal work, high-speed data transfer, satellite telemetry, and marine or aeronautical monitoring without launching separate tools. A built-in DSP engine provides variable-bandwidth filtering, automatic frequency control, AFC tracking, and a spectrogram/waterfall display for visual tuning, while a multi-channel recorder saves raw or demodulated audio for later analysis. Logging functions export ADIF, Cabrillo, and CSV files, and an integrated QRZ.com lookup speeds contest operation. The transceiver may be driven from external CAT, Omni-Rig, or HamLib front-ends, supports TX macro scripting with PTT and CW keying via serial or parallel port, and offers simultaneous decode of several signals in different sub-bands. Because the package is offered as freeware, the software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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