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Fix number of sentences.

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This commit is contained in:
Jon Beniston
2026-07-31 15:56:51 +01:00
parent 774df2f6af
commit 5dfbe7865c
1 changed files with 5 additions and 2 deletions
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sdrbase/util/ais.cpp
+5 -2
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@@ -40,8 +40,11 @@ QString AISMessage::toNMEA(const QByteArray bytes)
{
QStringList nmeaSentences;
// Max payload is ~61 chars -> 366 bits
int sentences = bytes.size() / 45 + 1;
// Number of 6-bit characters needed for the message
int totalChars = (bytes.size() * 8 + 5) / 6;
// A single sentence "!AIVDM,1,1,,," header allows 62 payload chars in 80 chars total,
// a multi-sentence "!AIVDM,n,m,i,," header allows 61
int sentences = (totalChars <= 62) ? 1 : (totalChars + 60) / 61;
int sentence = 1;
int bits = 8;