From 4e5bd7ce692a2ffd8649e3b62bb779b72a233024 Mon Sep 17 00:00:00 2001 From: Karlis Goba Date: Sat, 22 Dec 2018 15:35:10 +0200 Subject: [PATCH] Updated with focus on FT8 v2 (v1 is gone pretty much) --- README.md | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/README.md b/README.md index 65ceb31..e2b1c46 100644 --- a/README.md +++ b/README.md @@ -4,31 +4,30 @@ A C++ implementation of FT8 protocol, mostly intended for experimental use on mi The encoding process is relatively light on resources, and an Arduino should be perfectly capable of running this code. -The intent of this library is to foster experimentation with e.g. automated beacons. FT8 already supports free-text messages and the upcoming new version will support raw telemetry data (71 bits). +The intent of this library is to foster experimentation with e.g. automated beacons. For example, FT8 supports free-text messages and raw telemetry data (71 bits). Work is in progress (possibly taking forever) to explore decoding options. On a fast 32-bit microcontroller decoding might be possible, perhaps with some tradeoffs. # What works -So far only encoding is implemented. It should support the basic set of FT8 version 1 (75-bit) messages: +Currently the basic message set of the revised FT8 protocol with 77-bit payload (introduced since WSJT-X version 2.0) is supported: * CQ {call} {grid}, e.g. CQ CA0LL GG77 * CQ {xy} {call} {grid}, e.g. CQ JA CA0LL GG77 * {call} {call} {report}, e.g. CA0LL OT7ER R-07 * {call} {call} 73/RRR/RR73, e.g. OT7ER CA0LL 73 -* Free-text messages (up to 13 characters from a limited alphabet) -I am working on the revised FT8 protocol with 77-bit payload (introduced since WSJT-X version 2.0), and currently the library supports the basic message set: -* CQ {call} {grid}, e.g. CQ CA0LL GG77 -* CQ {xy} {call} {grid}, e.g. CQ JA CA0LL GG77 -* {call} {call} {report}, e.g. CA0LL OT7ER R-07 -* {call} {call} 73/RRR/RR73, e.g. OT7ER CA0LL 73 +So far only encoding is implemented. There is historical code that supports the same set of FT8 version 1 (75-bit) messages plus free-text messages. # What doesn't +I'm currently working on these features: +* Encoding free-text messages (up to 13 characters from a limited alphabet) +* Encoding telemetry data +* Decoding + +These features are low on my priority list: * Encoding contest mode messages -* Encoding extended range signal reports (<-30dB or >=0dB S/N) * Encoding compound callsigns with country prefixes and mode suffixes -* Decoding (working on it) # What to do with it