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Update application_layer.rst

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Wojciech Kaczmarski 2022-02-20 16:05:43 +01:00 committed by GitHub
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@ -78,12 +78,18 @@ GNSS Position Data stores the 112 bit META field as follows:
* - Size, in bits * - Size, in bits
- Format - Format
- Contents - Contents
* - 32 * - 8
- 32-bit fixed point degrees and decimal minutes (TBD) - 8-bit signed integer
- Latitude - Latitude - degrees, integer part (-90..+90, positive values for northern hemisphere)
* - 32 * - 16
- 32-bit fixed point degrees and decimal minutes (TBD) - 16-bit unsigned integer
- Longitude - 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 * - 16
- unsigned integer - unsigned integer
- Altitude, in feet MSL. Stored +1500, so a stored value of 0 represents -1500 MSL. Subtract 1500 feet when parsing. - 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 - Course in degrees true North
* - 10 * - 10
- unsigned integer - unsigned integer
- Speed in miles per hour. - Speed in knots
* - 12 * - 20
- Reserved values - Reserved values
- Transmitter/Object description field - Transmitter/Object description field