Editors Note
Radio transmission software for decoding the morse codes on your macintosh without any special hardware. This software transmits and decodes the morse codes in modes like RTTY, FAX, SSTV, SITOR-B, NAVTEX, PACKET, ACARS, PSK31, ALE etc. It displays the audio spectrum of the radio stations by connecting the radio output to the sound input port of the Macintosh. The frequency ranges can be tuned and able to select the correct mode. Audio can be transmitted by connecting the sound output of the Macintosh to the microphone input of the transmitter through an isolation transformer.