GPT.cpp File Reference

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Namespaces
namespace	NAV

Functions
double	NAV::asknewet (const double &e, const double &Tm, const double &la)
	This subroutine determines the zenith wet delay.
GPT2output	NAV::GPT2_param (const double &mjd, const Eigen::Vector3d &lla_pos)
	Determine pressure, temperature, temperature lapse rate, mean temperature of the water vapor, water vapor pressure, hydrostatic and wet mapping function coefficients ah and aw, water vapour decrease factor and geoid undulation for specific sites near the Earth surface, based on a 1 x 1 degree GPT2 grid.
GPT3output	NAV::GPT3_param (const double &mjd, const Eigen::Vector3d &lla_pos)
	Determine pressure, temperature, temperature lapse rate, mean temperature of the water vapor, water vapour pressure, hydrostatic and wet mapping function coefficients ah and aw, water vapour decrease factor, geoid undulation and empirical tropospheric gradients for specific sites near the earth's surface, based on a 1 x 1 degree GPT3 grid.
double	NAV::mjd2doy (const double &mjd)
	To calculate the day of year.