From charlesreid1

DroidPSK is an Android app that is capable of transmitting/receiving/encoding/decoding using PSK (phase shift keying).

It is only capable of PSK31 or PSK63.

See DroidPSK in action, with two devices communicating via sound interfaces (microphone/speaker):

PSK31: Fldigi to DroidPSK from charlesreid1 on Vimeo.

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