From dbf9cfb0ec720c40494470b661f60ebb29f709d3 Mon Sep 17 00:00:00 2001 From: Wojciech Kaczmarski <44336093+sp5wwp@users.noreply.github.com> Date: Sun, 20 Feb 2022 16:05:43 +0100 Subject: [PATCH 1/2] Update application_layer.rst --- docs/application_layer.rst | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/docs/application_layer.rst b/docs/application_layer.rst index 0ea3c0f..47295a3 100644 --- a/docs/application_layer.rst +++ b/docs/application_layer.rst @@ -78,12 +78,18 @@ GNSS Position Data stores the 112 bit META field as follows: * - Size, in bits - Format - Contents - * - 32 - - 32-bit fixed point degrees and decimal minutes (TBD) - - Latitude - * - 32 - - 32-bit fixed point degrees and decimal minutes (TBD) - - Longitude + * - 8 + - 8-bit signed integer + - Latitude - degrees, integer part (-90..+90, positive values for northern hemisphere) + * - 16 + - 16-bit unsigned integer + - Latitude - degrees, fractional part (eg. 0.5 -> 32,768) + * - 16 + - 16-bit signed integer + - Longitude - degrees, integer part (-180..+180, positive values for eastern hemisphere) + * - 16 + - 16-bit unsigned integer + - Longitude - degrees, fractional part (eg. 0.5 -> 32,768) * - 16 - unsigned integer - Altitude, in feet MSL. Stored +1500, so a stored value of 0 represents -1500 MSL. Subtract 1500 feet when parsing. @@ -92,8 +98,8 @@ GNSS Position Data stores the 112 bit META field as follows: - Course in degrees true North * - 10 - unsigned integer - - Speed in miles per hour. - * - 12 + - Speed in knots + * - 20 - Reserved values - Transmitter/Object description field From 2b75477ee6e8ca7e3a268af14c7b17f13cbdb987 Mon Sep 17 00:00:00 2001 From: Wojciech Kaczmarski <44336093+sp5wwp@users.noreply.github.com> Date: Sun, 20 Feb 2022 16:09:01 +0100 Subject: [PATCH 2/2] Add files via upload --- images/LFSR_24.svg | 164 ++++++++++++++------------------------------- 1 file changed, 50 insertions(+), 114 deletions(-) diff --git a/images/LFSR_24.svg b/images/LFSR_24.svg index dc0f23f..3550c57 100644 --- a/images/LFSR_24.svg +++ b/images/LFSR_24.svg @@ -2,9 +2,9 @@ @@ -92,7 +92,7 @@ @@ -152,7 +152,7 @@ @@ -197,7 +197,7 @@ @@ -212,7 +212,7 @@ @@ -225,12 +225,12 @@ inkscape:pageopacity="0.0" inkscape:pageshadow="2" inkscape:zoom="0.60759344" - inkscape:cx="716.76218" - inkscape:cy="88.052301" + inkscape:cx="660.80371" + inkscape:cy="125.90656" inkscape:document-units="mm" inkscape:current-layer="layer1" showgrid="false" - showguides="true" + showguides="false" inkscape:guide-bbox="true" inkscape:snap-bbox="true" inkscape:snap-bbox-edge-midpoints="true" @@ -246,81 +246,81 @@ inkscape:snap-center="true" inkscape:pagecheckerboard="0"> @@ -332,7 +332,6 @@ image/svg+xml - @@ -340,110 +339,88 @@ inkscape:label="Layer 1" inkscape:groupmode="layer" id="layer1" - transform="translate(117.20479,-95.237152)"> + transform="translate(117.20479,-95.237157)"> D0 - - - - plaintext ciphertext @@ -507,12 +484,12 @@ id="path843-0-09" inkscape:connector-curvature="0" /> @@ -610,54 +587,33 @@ y="122.22379" /> - - - - D16 - D3