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Updates to User Guide.

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Joe Taylor 2020-05-14 15:45:23 -04:00
parent e10c5908d0
commit 99df1a23fa
2 changed files with 5 additions and 4 deletions
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1
doc/common/links.adoc
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@ -68,6 +68,7 @@ d). Edit lines as needed. Keeping them in alphabetic order help see dupes.
:fmt_k5cm: http://www.k5cm.com/[FMT Event Info]
:fmt_wspr: http://www.physics.princeton.edu/pulsar/K1JT/FMT_User.pdf[Accurate Frequency Measurements with your WSPR Setup]
:ft4_protocol: http://physics.princeton.edu/pulsar/k1jt/FT4_Protocol.pdf[The FT4 Protocol for Digital Contesting]
:ft4_ft8_protocols: http://physics.princeton.edu/pulsar/k1jt/FT4_FT8_with_figs.pdf[The FT4 and FT8 Communication Protocols]
:ft8_tips: http://www.g4ifb.com/FT8_Hinson_tips_for_HF_DXers.pdf[FT8 Operating Guide]
:ft8_DXped: http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf[FT8 DXpedition Mode]
:gnu_gpl: http://www.gnu.org/licenses/gpl-3.0.txt[GNU General Public License]

8
doc/user_guide/en/protocols.adoc
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@ -52,10 +52,10 @@ were the callsigns `E9AA` through `E9ZZ`. Upon reception they are
converted back to the form `CQ AA` through `CQ ZZ`, for display to the
user.
The new FT4, FT8, and MSK144 protocols use a different lossless
compression algorithm with features to generate and recognize the
special messages used for contesting and the like. (More to come,
here ...)
The FT4, FT8, and MSK144 protocols use different lossless compression
algorithms with features that generate and recognize special messages
used for contesting and other special purposes. Full details have
been published in QEX, see {ft4_ft8_protocols}.
To be useful on channels with low signal-to-noise ratio, this kind of
lossless message compression requires use of a strong forward error