MT63 is a digital

Digital

A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...

 radio modulation mode for transmission in high-noise situations developed by Pawel Jalocha SP9VRC

Call sign

In broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In North America they are used as names for broadcasting stations...

. MT63 is designed for keyboard-to-keyboard conversation modes, on HF

High frequency

High frequency radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters . Frequencies immediately below HF are denoted Medium-frequency , and the next higher frequencies are known as Very high frequency...

 HAM

Amateur radio

Amateur radio is the use of designated radio frequency spectrum for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication...

 bands.

Features and Attributes

MT63 distributes the encoding of each character over a long time period, and over several tones. This implementation is key to its robustness under less than ideal conditions.

MT63 Latency

Mode	ECC ECC -Companies:* ECC , Education through Communication for the Community, a Japanese company* Electric Car Corporation plc, a British adapter and seller of electric cars* English China Clays, an English company-Education:...  Mode	Latency (sec)
MT63 500 Hz	short	12.8
MT63 1K	short	6.4
MT63 1K	long	12.8
MT63 2K	short	3.2
MT63 2K	long	6.4
PSK31	-	<1

Media

Related links

• "MT63 Technical Information", ZL1BPU website (archived 2008)
• "MT63", ZL1BPU website (archived 2008)
• BARTG site - British Amateur Radio Teledata Group