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home | newest check | boards | help index | log | ps | userlogin | send sysop | slog | status forward | bcm news | users | version | remove cookieHP2DFA > TECH 04.10.26 09:15l 33 Lines 1223 Bytes #5 (0) @ WW BID : 2713_HP2DFA Read: JH4XSY GUEST Subj: NEW JTTY DIGITAL MODE IN WSJT-X 3.2.0-RC1 Path: JH4XSY<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, ﾙHIS CALL, ｩEXCHANGE). - 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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