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Class_Iono.cpp
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/*-------------------------------------------------------------------
Purpose: C++ Class to compute second and third order ionospheric effects
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//c::1304.13, SAH, comment out geodcgeomag() everywhere.
#include "Class_Iono.h"
namespace CIONO {
//------------------------------------------------------------------------------------
Class_Iono::Class_Iono(double phi_pn_mag,double long_pn_mag, double h_ion,double R_e,
double B_eq,double Ne_max_in)
{ /*-------------------------------------------------------------------
Purpose: Class constructor
-------------------------------------------------------------------
Input: phi_pn_mag - magnetic north pole latitude
long_pn_mag -magnetic north pole longitude
h_ion - ionospheric layer height (m)
R_e - Equatorial Earth axis
B_eq - Geomagnetic induction magnitude at equator
Ne_max_in - Electrons Density Maximum
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
pi = 3.1415926535897932384626433832795;
Set_f1(1575420000.0); //L1 - frequency (Hz)
Set_f2(1227600000.0); //L2 - frequency (Hz)
Set_f5(1176450000.0); //L2 - frequency (Hz)
Set_c(299792458.0); //Light velocity
Set_lamb_l1(c/f1); //wavelanght - L1
Set_lamb_l2(c/f2); //wavelenght - L2
Set_lamb_l5(c/f5); //wavelenght - L2
//GRS80 parameters
Set_Major_Semi_Axis(6378137.0); //semi-major axis
Set_f(1.0/298.257222101); //flattening
Set_Minor_Semi_Axis(a - a*f); //semi-minor axis
Set_exc(sqrt( (2.0*f) - (pow(f,2)) )); //excentricity
//initial parameters - To be updated later
Set_lat_pn_mag(phi_pn_mag*pi/180.0); //magnetic north pole latitude
Set_lamb_pn_mag(long_pn_mag*pi/180.0); //magnetic north pole longitude
Set_hion(h_ion); //ionospheric layer height (m)
Set_Re(R_e); //Equatorial Earth axis
Set_Ne_max(Ne_max_in); //Electrons Density Maximum
Set_Beq(B_eq); //Geomagnetic induction magnitude at equator
Set_year(0);
Set_dayofyear(0);
Set_hour(0);
Set_min(0);
Set_sec(0);
for(int i=0;i<3;i++)
{
Et[i] = 0.0;
Nt[i] = 0.0;
Ut[i] = 0.0;
}//for
Compute_Terr_Local = false;
}
//------------------------------------------------------------------------------------
Class_Iono::~Class_Iono()//destrutor
{ /*-------------------------------------------------------------------
Purpose: Class Destrucotr
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Insert code here
}
//---- added by SH
void Class_Iono::azelIPP(double staX, double staY, double staZ,
double svX, double svY, double svZ,
double Re, double htIono,
double *az, double *elv, double *dist,
double *pplat, double *pplon, double *zp)
{
// Input:
// staX,staY,staZ -- site coordinates in meters
// svX,svY,svZ -- satellite coordinates in meters
// Re, htIono -- Mean Radius of the Earth (6371 km) & height on Iono shell (450 km).
// Output:
// az, elv, dist -- azimuth, elevation in radians (dist in meters)
// pplat, pplon -- geocentric lat.long of IPP (in degrees)
// zp -- z' = zenith angle at the IPP (in radians).
//
// Author: S. Hilla, 13 Feb 2013
//
// const double DTR = 0.0174532925199433;
double rlat, rlon, srlon, crlon, srlat, crlat, dx, dy, dz, du, dv, dw, ppii;
double dlat, dlon, elliph, angleA, c, b, dipp, up, vp, wp;
double xipp, yipp, zipp, dequa, DTR;
double geod_pp_lat, geod_pp_lon, geod_pp_hgt, mapfunc;
int iJMJ;
ppii = (atan(1.0)) * 4.0; // compute a double precision PI
DTR = ppii/180.0;
xyz_to_geod( 6378137.0, 298.257222101, staX, staY, staZ,
&dlat, &dlon, &elliph);
rlat = dlat * DTR;
rlon = dlon * DTR;
// rlat = rlat - ppii/2.0;
// rlon = rlon - ppii;
srlat = sin(rlat);
crlat = cos(rlat);
srlon = sin(rlon);
crlon = cos(rlon);
dx = svX - staX;
dy = svY - staY;
dz = svZ - staZ;
// du = crlat * crlon * dx + crlat * srlon * dy - srlat * dz;
// dv = srlon * dx - crlon * dy;
// dw = srlat * crlon * dx + srlat * srlon * dy + crlat * dz;
du = -1.0*srlat*crlon*dx - srlat*srlon*dy + crlat*dz;
dv = -1.0*srlon*dx + crlon*dy;
dw = crlat*crlon*dx + crlat*srlon*dy + srlat*dz;
*dist = sqrt( du*du + dv*dv + dw*dw );
//cout << "du,dv,dw,dist: "
//<< setw(25) << setprecision(5) << du << " "
//<< setw(25) << setprecision(5) << dv << " "
//<< setw(25) << setprecision(5) << dw << " "
//<< setw(25) << setprecision(5) << *dist << endl;
*az = atan2(dv,du);
*elv = asin( (dw)/(*dist) );
*zp = asin( (Re/(Re+htIono))*sin(ppii/2.0 - *elv) );
// compute the distance from receiver to IPP
angleA = ppii/2.0 - *zp - *elv;
c = Re;
b = Re + htIono;
dipp = sqrt( b*b + c*c - 2.0*b*c*cos(angleA) );
// compute uvw for IPP
up = dipp * cos(*elv) * cos(*az);
vp = dipp * cos(*elv) * sin(*az);
wp = dipp * sin(*elv);
// convert uvw for IPP to dx,dy,dz (reverse of 4.68-4.70, Geometric Geodesy).
dx = -1.0*srlat*crlon*up - srlon*vp + crlat*crlon*wp;
dy = -1.0*srlat*srlon*up + crlon*vp + crlat*srlon*wp;
dz = crlat*up + srlat*wp;
// compute XYZ for IPP
xipp = staX + dx;
yipp = staY + dy;
zipp = staZ + dz;
// compute GEODETIC latitude and longitude for IPP
xyz_to_geod( 6378137.0, 298.257222101, xipp, yipp, zipp,
&geod_pp_lat, &geod_pp_lon, &geod_pp_hgt);
//cout<<"geod_pp_lat: "<<geod_pp_lat<<" geod_pp_lon: "<<geod_pp_lon<<endl;
//getchar();
// compute geocentric latitude and longitude for IPP
dequa = sqrt( xipp*xipp + yipp*yipp);
*pplat = atan2( zipp, dequa);
*pplon = atan2( yipp, xipp);
}
/*---------------------------------------------------------------------*/
int Class_Iono::xyz_to_geod ( double a, double finv, double x, double y, double z,
double *dlat, double *dlon, double *h)
/********************************************************************|
| void xyz_to_geod() converts geocentric Cartesian coordinates into
| geodetic latitude, longitude, and ellipsoid
| height ( in decimal degrees and ?????? ) given
| the semi-major axis "a" and the inverse of the
| flattening "finv".
|
| The units of h will be the same as the units of
| x,y,z, and a (m, km, miles, feet, etc.).
|
| Original Fortran subroutine TOGEOD by C. Goad, 1987.
| Converted to C function by S. Hilla, July 1992.
|********************************************************************/
{
double rtd, esq, oneesq, psq, p, r;
double tolsq = 1.0e-10, sinlat, coslat, N, dp, dz;
int maxit = 10, iter;
/* compute radians-to-degrees factor */
rtd = 180.0 / PI; /* PI is in consts.h */
/* compute square of eccentricity */
esq = (2.0 - 1.0/finv)/finv;
oneesq = 1.0 - esq;
/* direct calculation of longitude */
*dlon = ( atan2(y,x) ) * rtd;
if ( *dlon < 0.0 ) *dlon = *dlon + 360.0;
/* first guesses */
/* p is distance from the spin axis */
psq = (x*x) + (y*y);
p = sqrt(psq);
/* r is distance from origin (0,0,0) */
r = sqrt( psq + (z*z) );
sinlat = z/r;
*dlat = asin(sinlat);
/* initial value of height = distance from origin minus approximate */
/* distance from origin to surface of ellipsoid */
*h = r - a*(1.0 - ( (sinlat*sinlat)/finv ) );
/* iterate */
for ( iter=1; iter <= maxit; ++iter )
{
sinlat = sin(*dlat);
coslat = cos(*dlat);
/* compute radius of curvature in prime vertical direction */
N = a / sqrt( 1.0 - esq*sinlat*sinlat );
/* compute residuals in p and z */
dp = p - ( (N + *h)*coslat );
dz = z - (N*oneesq + *h)*sinlat;
/* update height and latitude */
*h = *h + (sinlat*dz + coslat*dp);
*dlat = *dlat + (coslat*dz - sinlat*dp)/(N + *h);
/* test for convergence */
if ( ( dp*dp + dz*dz ) < tolsq )
{
*dlat = *dlat * rtd;
return(0);
}
} /* end of for loop */
/* Not Converged -- Warn user */
cout << " Problem in xyz_to_geod, did not " <<
"converge in " << maxit << " iterations." << endl;
return (1);
} /* end of function xyz_to_geod */
/*---------------------------------------------------------------------*/
void Class_Iono::xyzIPP(double staX, double staY, double staZ,
double svX, double svY, double svZ,
double Re, double htIono,
double *xipp, double *yipp, double *zipp)
{
// Input:
// staX,staY,staZ -- site coordinates in meters
// svX,svY,svZ -- satellite coordinates in meters
// Re, htIono -- Mean Radius of the Earth (6371 km) & height on Iono shell (450 km).
// Output:
// *xipp,*yipp,*zipp -- X,Y,Z coordinates of the IPP (in meters).
//
// Author: S. Hilla, 13 Feb 2013
//
// const double DTR = 0.0174532925199433;
double rlat, rlon, srlon, crlon, srlat, crlat, dx, dy, dz, du, dv, dw, ppii;
double dlat, dlon, elliph, angleA, c, b, dipp, up, vp, wp;
double dist, az, elv, zp, dequa, DTR;
double geod_pp_lat, geod_pp_lon, geod_pp_hgt, mapfunc;
int iJMJ;
ppii = (atan(1.0)) * 4.0; // compute a double precision PI
DTR = ppii/180.0;
xyz_to_geod( 6378137.0, 298.257222101, staX, staY, staZ,
&dlat, &dlon, &elliph);
rlat = dlat * DTR;
rlon = dlon * DTR;
// rlat = rlat - ppii/2.0;
// rlon = rlon - ppii;
srlat = sin(rlat);
crlat = cos(rlat);
srlon = sin(rlon);
crlon = cos(rlon);
dx = svX - staX;
dy = svY - staY;
dz = svZ - staZ;
// du = crlat * crlon * dx + crlat * srlon * dy - srlat * dz;
// dv = srlon * dx - crlon * dy;
// dw = srlat * crlon * dx + srlat * srlon * dy + crlat * dz;
du = -1.0*srlat*crlon*dx - srlat*srlon*dy + crlat*dz;
dv = -1.0*srlon*dx + crlon*dy;
dw = crlat*crlon*dx + crlat*srlon*dy + srlat*dz;
dist = sqrt( du*du + dv*dv + dw*dw );
//cout << "du,dv,dw,dist: "
//<< setw(25) << setprecision(5) << du << " "
//<< setw(25) << setprecision(5) << dv << " "
//<< setw(25) << setprecision(5) << dw << " "
//<< setw(25) << setprecision(5) << dist << endl;
az = atan2(dv,du);
elv = asin( (dw)/(dist) );
zp = asin( (Re/(Re+htIono))*sin(ppii/2.0 - elv) );
// compute the distance from receiver to IPP
angleA = ppii/2.0 - zp - elv;
c = Re;
b = Re + htIono;
dipp = sqrt( b*b + c*c - 2.0*b*c*cos(angleA) );
// compute uvw for IPP
up = dipp * cos(elv) * cos(az);
vp = dipp * cos(elv) * sin(az);
wp = dipp * sin(elv);
// convert uvw for IPP to dx,dy,dz (reverse of 4.68-4.70, Geometric Geodesy).
dx = -1.0*srlat*crlon*up - srlon*vp + crlat*crlon*wp;
dy = -1.0*srlat*srlon*up + crlon*vp + crlat*srlon*wp;
dz = crlat*up + srlat*wp;
// compute XYZ for IPP
*xipp = staX + dx;
*yipp = staY + dy;
*zipp = staZ + dz;
} // end of function xyzIPP()
//---- above code added by SH
//------------------------------------------------------------------------------------
int Class_Iono::Get_year()
{/*-------------------------------------------------------------------
Purpose: Return year
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(year);
}
//------------------------------------------------------------------------------------
int Class_Iono::Get_month()
{/*-------------------------------------------------------------------
Purpose: Return month
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(month);
}
//------------------------------------------------------------------------------------
int Class_Iono::Get_day()
{/*-------------------------------------------------------------------
Purpose: Return day
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(day);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I1_L1()
{/*-------------------------------------------------------------------
Purpose: Return first order ionospheric effect - L1
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//first order iono - L1
return (I1_L1);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I1_L2()
{/*-------------------------------------------------------------------
Purpose: Return first order ionospheric effect - L2
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//first order iono - L2
return (I1_L2);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I1_L5()
{/*-------------------------------------------------------------------
Purpose: Return first order ionospheric effect - L5
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//first order iono - L5
return (I1_L5);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I2_L1()
{/*-------------------------------------------------------------------
Purpose: Return second order ionospheric effect - L1
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Second order iono - L1
return (I2_L1);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I2_L2()
{/*-------------------------------------------------------------------
Purpose: Return second order ionospheric effect - L2
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Second order iono - L2
return (I2_L2);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I2_L5()
{/*-------------------------------------------------------------------
Purpose: Return second order ionospheric effect - L5
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Second order iono - L5
return (I2_L5);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I3_L1()
{/*-------------------------------------------------------------------
Purpose: Return third order ionospheric effect - L1
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Third order iono - L1
return (I3_L1);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I3_L2()
{/*-------------------------------------------------------------------
Purpose: Return third order ionospheric effect - L2
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Third order iono - L2
return (I3_L2);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_I3_L5()
{/*-------------------------------------------------------------------
Purpose: Return third order ionospheric effect - L5
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
//Third order iono - L5
return (I3_L5);
}
//------------------------------------------------------------------------------------
int Class_Iono::Get_dayofyear()
{/*-------------------------------------------------------------------
Purpose: Return day of the year
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(dayofyear);
}
//------------------------------------------------------------------------------------
int Class_Iono::Get_hour()
{/*-------------------------------------------------------------------
Purpose: Return hours
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(hour);
}
//------------------------------------------------------------------------------------
int Class_Iono::Get_min()
{/*-------------------------------------------------------------------
Purpose: Return minutes
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(min);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_sec()
{/*-------------------------------------------------------------------
Purpose: Return seconds
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(sec);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_PI()
{/*-------------------------------------------------------------------
Purpose: Return Pi
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(pi);
}
//------------------------------------------------------------------------------------
//parametros do elipsoide
double Class_Iono::Get_Major_Semi_Axis()
{/*-------------------------------------------------------------------
Purpose: Return Semi-Major axis
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(a);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_Minor_Semi_Axis()
{/*-------------------------------------------------------------------
Purpose: Return semi-minor axis
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(b);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_f()
{/*-------------------------------------------------------------------
Purpose: Return flattening
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(f);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_exc()
{/*-------------------------------------------------------------------
Purpose: Return Excentricity
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(exc);
}
//------------------------------------------------------------------------------------
//coordenadas dos polos magneticos
double Class_Iono::Get_lat_pn_mag()
{/*-------------------------------------------------------------------
Purpose: Return latitude of magnetic north pole
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(lat_pn_mag);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_lamb_pn_mag()
{/*-------------------------------------------------------------------
Purpose: Return longitude of magnetic north pole
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(lamb_pn_mag);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_lat_ps_mag()
{/*-------------------------------------------------------------------
Purpose: Return latitude of magnetic south pole
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(lat_ps_mag);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_lamb_ps_mag()
{/*-------------------------------------------------------------------
Purpose: Return longitude of magnetic south pole
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(lamb_ps_mag);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_Re()
{/*-------------------------------------------------------------------
Purpose: Equatorial earth axis
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(Re);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_hion()
{/*-------------------------------------------------------------------
Purpose: Ionospheric layer height
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(hion);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_Beq()
{/*-------------------------------------------------------------------
Purpose: Return Geomagnetic induction magnitude at Equator (Tesla)
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(Beq);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_f1()
{/*-------------------------------------------------------------------
Purpose: Return L1 frequency
-------------------------------------------------------------------
Input:
Output:
-------------------------------------------------------------------
Author: Haroldo Antonio Marques
Programa de Pos-Graduacao em Ciencias Cartograficas
FCT/UNESP - Presidente Prudente - SP, Brazil
FAPESP PROCESS: 05/03522-1
Date: July of 2007
-------------------------------------------------------------------
Observation:
-------------------------------------------------------------------*/
return(f1);
}
//------------------------------------------------------------------------------------
double Class_Iono::Get_f2()
{/*-------------------------------------------------------------------