JT65 HF FREQUENCIES SOFTWARE

JT65A/JT65/JT65-HF mode is normally used on HF, MF, LF and 6 meter bands. The system allows approximately +/-600Hz auto-tuning on receive. The lowest tone of the JT65 signal is normally 1270Hz. JT65A signal bandwidth extends about 200Hz above 1270.5Hz sync. Excellent mode for low power or antenna restricted stations. Sync tone is the reference mouse-click frequency for JT65.

JT65 HF FREQUENCIES SOFTWARE

Joe wrote a piece of software called JT65-HF that makes it much easier to operate JT65 and make successful contacts. 73 Bill G4WJS. The JT65 revolution on the HF bands is primarily due to Joe Large, W6CQZ. We cannot expect to expand precious spectrum regardless of other users without due consideration. Putting FT8 above JT9 lands it in a popular and heavily used RTTY sub-band and increasing activity would only expand further up while leaving the JT65 sub-band under utilized. Putting FT8 in a 2 kHz sub-band below JT65 on many bands was deliberate and included the assumption that many JT65 users looking for faster QSOs with strong signals would move to FT8, this naturally allows FT8 usage to expand upwards as JT65 usage reduces. J JT65 A weak signal digital mode, primarily used on HF and 6 m, for weak signal and EME type. Just because you think they are wrong does not make your choices correct, nor can I find any contribution from yourself on the discussion threads about the proposed allocations for FT8 than ran for a couple of weeks before the WSJT-X RC1 beta release on the wsjt-devel SourceForge list or wsjtgroup Yahoo Groups support list. Ham and Marine Maritime Mobile HF Net Frequencies. Sights and Sounds of Digital Modes (W1HKJ s website) PSK. PSK, RTTY and MFSK are not critical but usually stations are heard at these frequencies. JT65A uses 2.7Hz JT65B uses 5.4Hz and JT65C uses a 10.8Hz inter-tone shift. The difference between the three sub modes is the frequency shift between the tones. JT65 has three sub modes: (T65A, JT65B and JT65C. JT65 is an MFSK mode that uses 65 tones of differing frequency. The frequencies proposed for the up coming v1.8.0 release (now in beta test) have been decided upon after consultation, review of other mode usage and band plans. JT65, JT9, FT8, FT4 and JS8CALL frequencies are defined by the modes developers for Region 1. JT65 is another mode released from the K1JT stable. It was posted to a non-official web site which we do not control. Hi Bob, the information you posted was from a pre-release alpha test version of WSJT-X only available to those who build WSJT-X from sources and came with a strict reminder that those doing so should follow the wsjt-devel traffic and and change history for updates.

Jt65 hf frequencies