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resolved pressure constants 1013.2hPa != 29.92inHg

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This commit is contained in:
Mathew Sutcliffe
2013-08-18 17:29:37 +01:00
parent baa0ac147e
commit 5d4fcc8d40
3 changed files with 24 additions and 17 deletions
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24
src/blackmisc/pqconstants.h
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@@ -40,15 +40,35 @@ public:
}
/*!
* \brief Standard pressure 1013,25mbar / 29.92inHg
* \brief International Standard Atmosphere pressure at mean sea level, 1013.25hPa
* \return
*/
static const CPressure& InternationalStandardSeaLevelPressure()
static const CPressure& ISASeaLevelPressure()
{
static CPressure p(1013.25, CPressureUnit::hPa());
return p;
}
/*!
* \brief ICAO standard pressure datum for flight levels, 1013.2hPa
* \return
*/
static const CPressure& ICAOFlightLevelPressure()
{
static CPressure p(1013.2, CPressureUnit::hPa());
return p;
}
/*!
* \brief Standard pressure datum for flight levels in USA, Canada, parts of Latin America, 29.92inHg
* \return
*/
static const CPressure& USFlightLevelPressure()
{
static CPressure p(29.92, CPressureUnit::inHg());
return p;
}
/*!
* \brief Unicom frequency
* \return