- HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.
iPad iPhone HF Weather Fax Decoder App
- HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.
20m CW QRP Transceiver
- The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB