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31 lines
726 B
31 lines
726 B
13 years ago
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/*
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*
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* NMEA library
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* URL: http://nmea.sourceforge.net
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* Author: Tim (xtimor@gmail.com)
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* Licence: http://www.gnu.org/licenses/lgpl.html
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* $Id: units.h 4 2007-08-27 13:11:03Z xtimor $
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*
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*/
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#ifndef __NMEA_UNITS_H__
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#define __NMEA_UNITS_H__
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#include "config.h"
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/*
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* Distance units
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*/
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#define NMEA_TUD_YARDS (1.0936) /**< Yeards, meter * NMEA_TUD_YARDS = yard */
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#define NMEA_TUD_KNOTS (1.852) /**< Knots, kilometer / NMEA_TUD_KNOTS = knot */
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#define NMEA_TUD_MILES (1.609) /**< Miles, kilometer / NMEA_TUD_MILES = mile */
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/*
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* Speed units
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*/
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#define NMEA_TUS_MS (3.6) /**< Meters per seconds, (k/h) / NMEA_TUS_MS= (m/s) */
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#endif /* __NMEA_UNITS_H__ */
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