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HP2DFA > TECH 04.10.26 00:15z 33 Lines 1223 Bytes #999 (0) @ WW
BID : 2713_HP2DFA
Subj: NEW JTTY DIGITAL MODE IN WSJT-X 3.2.0-RC1
Path: HB9ON<IW0QNL<IZ3LSV<IW8PGT<LU4ECL<VK2RZ<K1AJD<VE3CGR<PY2BIL<HP2DFA
Sent: 261003/2130Z 2713@HP2DFA.#COL.PAN.CEAM BPQ6.0.24
NEW JTTY DIGITAL MODE IN WSJT-X 3.2.0-RC1
TECHNICAL AND DIGITAL MODE BULLETIN
ASYNCHRONOUS RTTY-STYLE OPERATION WITH GFSK CODING
VALID: 03-OCT-2026 ONWARDS
ISSUED VIA BPQ32 NODE HP2DFA-5
1. JTTY OVERVIEW:
- ANNOUNCED: SEP-23-2026 WITH WSJT-X 3.2.0-RC1.
- DEVELOPERS: K1JT, K9AN, G4KLA, N9ADG, DL3WDG, W3SZ, KJ5HST, KD0BTO.
- CONCEPT: ASYNCHRONOUS KEYBOARD-TO-KEYBOARD MODE (NO UTC SYNC REQUIRED).
- TARGET: RTTY-STYLE CONTESTING WITH WEAK-SIGNAL PERFORMANCE AND LOW ERROR
RATES.
2. TECHNICAL SPECIFICATIONS:
- MODULATION: 4-GFSK IN 1.888-SECOND FRAMES.
- BANDWIDTH: ~127 HZ.
- SPEED: ~60 WPM FOR CONTEST FORMATS / ~30 WPM FOR FREE TEXT.
- CONTEST MACROS: F1-F8 ()MY CALL, ŮHIS CALL, ŠEXCHANGE).
- PROCESSING: SIGNAL SUBTRACTION AND ADAPTIVE DECODING.
ALL LOGGED TO ALL.TXT.
3. FREQUENCIES AND COMPATIBILITY:
- PRIMARY 20M FREQ: 14.090 MHZ (DIAL FREQS SET FOR 160M TO 2M).
- LOGGING INTEGRATION: MMTTY-COMPATIBLE INTERFACE FOR N1MM LOGGER (V1.0.11449 ).
- PLATFORMS: WINDOWS, MACOS, AND LINUX (X86_64, AARCH64, AND ARMHF/RASPBERRY PI).
- NOTE: RELEASE CANDIDATE (RC1) IS FOR ON-AIR TESTING ONLY.
INFO & DOWNLOADS: OFFICIAL WSJT-X GITHUB
MAIL: HP2DFA@GMAIL.COM / HP2DFA-5@BPQ32
73 DE HP2DFA-5 / BPQ32 NODE PANAMA
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