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AVR beacon project utilizes a new approach to RF signal generation using SQDDS method (making RF signals directly from the software, based on a pre-calculated periodic bit-sequence). It is mainly used by the hamradio operators to set up various radio beacons for different purposes, mostly for radio waves propagation discoveries.
CW (continious waves, Morze code) is a main modulation mode. Other modes like PSK and FSK are planned to implement in the future releases.