mirror of https://github.com/saitohirga/WSJT-X.git
53 lines
2.3 KiB
Plaintext
53 lines
2.3 KiB
Plaintext
Proposed new message types have a 77-bit payload: 74 information bits
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and 3 bits for "message type" i3. Type 0 uses only 71 information
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bits, releasing another 3 bits (call them n3) to define 8 sub-types.
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----------------------------------------------------------------------------------
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i3.n3 Example message Bits Total Purpose
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----------------------------------------------------------------------------------
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0.0 FREE TEXT MSG 71 71 Free text
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0.1 K1ABC RR73; W9XYZ <KH1/KH7Z> -11 28 28 10 5 71 DXpedition Mode
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0.2 PA3XYZ/P R 590003 IO91NP 28 1 1 3 12 25 70 EU VHF contest
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0.3 WA9XYZ KA1ABC R 16A EMA 28 28 1 4 3 7 71 ARRL Field Day
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0.4 WA9XYZ KA1ABC R 32A EMA 28 28 1 4 3 7 71 ARRL Field Day
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0.5 71-bit telemetry 71 71 TBD
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1 WA9XYZ/R KA1ABC/R R FN42 28 1 28 1 1 15 74 Standard msg
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2 TU; W9XYZ K1ABC R 579 MA 1 28 28 1 3 13 74 ARRL RTTY contest
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3 PA3XYZ/P GM4ABC/P R JO22 28 1 28 1 1 15 74 EU VHF contest
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4 <WA9XYZ> PJ4/KA1ABC R-11 13 53 1 1 6 74 Nonstandard calls
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5 ...
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6
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7
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----------------------------------------------------------------------------------
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NB: three 74-bit message types and two 71-bit message subtypes are still TBD.
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----------------------------------------------------------------------------------
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Further details:
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0.0 Free text, up to 13 characters.
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0.1 DXpedition mode as developed for KH1/KH7Z.
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0.2 Report, QSO serial number, 6-digit grid, and Roger for EU VHF contests.
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0.3 ARRL Field Day exchange for up to 16 transmitters.
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0.4 ARRL Field Day exchange for up to 17-32 transmitters.
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1. Two standard callsigns, Roger, and grid or report. Each callsign
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may have an appended "/R" to indicate Rover status for NA VHF
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contests.
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2. Standard message for ARRL RTTY Roundup. Optional "TU;" at
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beginning to finish a previous QSO; then two standard callsigns,
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optional "R", a 3-bit report (529 to 599), and 13 bits to indicate
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US state, Canadian province/territory, or DX serial number.
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3. Same as Type 1, but uses /P instead of /R. For European VHF contests.
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4. One nonstandard call with up to 10 characters, one hashed call, Roger,
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and signal report.
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