ionModels.hpp File Reference

Functions
double	ionmodel (GTime t, const double *ion, const VectorPos &pos, const AzEl &azel)
double	ionmapf (const VectorPos &pos, const AzEl &azel, E_IonoMapFn mapFn, double hion)
	ionosphere mapping function
double	ionppp (const VectorPos &pos, const AzEl &azel, double re, double hion, VectorPos &pppos)
bool	iontec (GTime time, const Navigation *nav, const VectorPos &pos, const AzEl &azel, E_IonoMapFn mapFn, double layerHeight, E_IonoFrame frame, double &delay, double &var)
	ionosphere model by tec grid data Before calling the function, read tec grid data by calling readTec() return ok with delay=0 and var=VAR_NOTEC if el < MIN_EL or h < MIN_HGT
void	readTec (string file, Navigation *nav)
	read ionex tec grid file

Function Documentation

ionmapf()

double ionmapf	(	const VectorPos &	pos,
		const AzEl &	azel,
		E_IonoMapFn	mapFn,
		double	hion )

ionosphere mapping function

Parameters

pos	receiver position in geocentric spherical coordinates
azel	satellite azimuth/elevation angle (rad)
mapFn	model of mapping function
hion	layer height (km)

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ionmodel()

double ionmodel	(	GTime	t,
		const double *	ion,
		const VectorPos &	pos,
		const AzEl &	azel )

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ionppp()

double ionppp	(	const VectorPos &	pos,
		const AzEl &	azel,
		double	re,
		double	hion,
		VectorPos &	pppos )

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iontec()

bool iontec	(	GTime	time,
		const Navigation *	nav,
		const VectorPos &	pos,
		const AzEl &	azel,
		E_IonoMapFn	mapFn,
		double	layerHeight,
		E_IonoFrame	frame,
		double &	delay,
		double &	var )

ionosphere model by tec grid data Before calling the function, read tec grid data by calling readTec() return ok with delay=0 and var=VAR_NOTEC if el < MIN_EL or h < MIN_HGT

Parameters

time	time (gpst)
nav	navigation data
pos	receiver position {lat,lon,h} (rad,m)
azel	azimuth/elevation angle {az,el} (rad)
mapFn	model of mapping function
layerHeight	Mapping function layer height
frame	reference frame
delay	ionospheric delay (L1) (m)
var	ionospheric dealy (L1) variance (m^2)

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readTec()

void readTec	(	string	file,
		Navigation *	nav )

read ionex tec grid file

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