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M17 uses Codec 2, a low bitrate voice codec developed by David Rowe VK5DGR et al. Codec 2 was designed to be used for amateur radio and other high compression voice applications. It is based on linear predictive coding with mixed-harmonic sinusoidal excitation.
M is usually a power of 2, so each tone transmission from the alphabet represents log 2 M data bits. MFSK is classed as an M-ary orthogonal signaling scheme because each of the M tone detection filters at the receiver responds only to its tone and not at all to the others; this independence provides the orthogonality.
As an "all-band" transceiver, the TS-2000 offers a maximum power output of 100 watts on the HF, 6 meters, and 2 meters bands, 50 watts on 70 centimeters, and, with the TS-2000X or the optional UT-20, 10 watts on the 1.2 GHz or 23 centimeters band. The (American version) radio's main receiver covers 30 kHz through 60 MHz, 142 MHz through 152 MHz ...
Fusion (Yaesu own mode) GTOR; Discrete multi-tone modulation modes such as Multi Tone 63 (MT63) Multiple Frequency-Shift Keying (MFSK) modes such as FSK441, JT6M, JT65, JT9, FT8, FT4; JS8Call; WSPR; Olivia MFSK; Packet radio Automatic Packet Reporting System (APRS) Phase-Shift Keying. 31-baud binary phase shift keying: PSK31
Detroit Lions. The Browns and Lions did business for a pass rusher this past trade deadline, with Za'Darius Smith heading to Detroit along with a 2026 seventh-round draft pick for a 2025 fifth and ...
The National Highway Traffic Safety Administration is investigating reports of alleged engine failures in GM's 6.2-liter L87 V-8, an engine used in a wide variety of trucks and SUVs.
There were 104 passengers and five crew members on board at the time of the incident. The flight has since been rescheduled to take off at 12:30 p.m. local time.
Yaesu is a Japanese brand of amateur radio equipment, founded as Yaesu Musen Co., Ltd. (八重洲無線株式会社, Yaesu Musen Kabushiki-gaisha) in 1959 by a Japanese radio amateur Sako Hasegawa (call sign JA1MP [1]) in Yaesu, Japan, a district of Tokyo.