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Update 'WSPR Message Coding'

Sebastian 2021-05-08 15:13:46 +00:00
parent 09483cf29e
commit 155e78f497
1 changed files with 4 additions and 4 deletions
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8
WSPR-Message-Coding.md

@ -1,5 +1,5 @@
Message types
--------------------
-------------
Reverse engineered from the original `wqdecode` fortran routine.
@ -29,15 +29,15 @@ Three common use cases:
The prefix will also be part of the hash so your messages can be matched.
Standard Message
-------------------------
----------------
Explained quite well in [The WSPR Coding Process](http://g4jnt.com/WSPR_Coding_Process.pdf) by G4JNT.
Prefixed Callsign Message
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**TODO**
Exetended Locator Message
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Hash function use for the call sign is `hashlittle` from [lookup3.c](http://burtleburtle.net/bob/c/lookup3.c) one of the [Jenkins hash functions](https://en.wikipedia.org/wiki/Jenkins_hash_function).
The hash function is applied to the complete call sign including any prefix or suffix.