SofaApco13 Method

public static int Apco13(
	double utc1,
	double utc2,
	double dut1,
	double elong,
	double phi,
	double hm,
	double xp,
	double yp,
	double phpa,
	double tc,
	double rh,
	double wl,
	ref SofaAstrom astrom,
	ref double eo
)

Public Shared Function Apco13 ( 
	utc1 As Double,
	utc2 As Double,
	dut1 As Double,
	elong As Double,
	phi As Double,
	hm As Double,
	xp As Double,
	yp As Double,
	phpa As Double,
	tc As Double,
	rh As Double,
	wl As Double,
	ByRef astrom As SofaAstrom,
	ByRef eo As Double
) As Integer

Parameters

utc1  Double

UTC as a 2-part quasi Julian Date (part 1).

utc2  Double

UTC as a 2-part quasi Julian Date (part 2).

dut1  Double

UT1-UTC (seconds).

elong  Double

Observer longitude (radians, east positive).

phi  Double

Observer geodetic latitude (radians).

hm  Double

Observer height above ellipsoid (m).

xp  Double

Polar motion X (radians).

yp  Double

Polar motion Y (radians).

phpa  Double

Pressure at observer (hPa).

tc  Double

Ambient temperature (deg C).

rh  Double

Relative humidity (0-1).

wl  Double

Wavelength (micrometers).

astrom  SofaAstrom

Returned astrometry parameters.

eo  Double

Returned equation of the origins.

Return Value

Reference