QRA locator (Maidenhead grid square) and latitude/longitude bearing conversion interface. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <hamlib/rotator.h>

Include dependency graph for locator.c:

Macros
#define	RADIAN (180.0 / M_PI)
	Standard definition of a radian.

#define	ARC_IN_KM 111.2
	arc length for 1 degree in kilometers, i.e. 60 Nautical Miles

#define	MAX_LOCATOR_PAIRS 6
	Longest locator to process, e.g. AA00AA00AA00. More...

#define	MIN_LOCATOR_PAIRS 1
	Shortest locator to process, e.g. AA. More...

Functions
double	dms2dec (int degrees, int minutes, double seconds, int sw)
	Convert Degrees Minutes Seconds (DMS) notation to decimal degrees (D.DDD) angle. More...

double	dmmm2dec (int degrees, double minutes, double seconds, int sw)
	Convert degrees decimal minutes (D M.MMM) notation to decimal degrees (D.DDD) angle. More...

int	dec2dms (double dec, int degrees, int minutes, double seconds, int sw)
	Convert a decimal degrees (D.DDD) angle into Degrees Minutes Seconds (DMS) notation. More...

int	dec2dmmm (double dec, int degrees, double minutes, int *sw)
	Convert a decimal degrees (D.DDD) angle into degrees decimal minutes (D M.MMM) notation. More...

int	locator2longlat (double longitude, double latitude, const char *locator)
	Convert QRA locator (Maidenhead grid square) to Longitude/Latitude. More...

int	longlat2locator (double longitude, double latitude, char *locator, int pair_count)
	Convert longitude/latitude to QRA locator (Maidenhead grid square). More...

int	qrb (double lon1, double lat1, double lon2, double lat2, double distance, double azimuth)
	Calculate the distance and bearing between two points. More...

double	distance_long_path (double distance)
	Calculate the long path distance between two points. More...

double	azimuth_long_path (double azimuth)
	Calculate the long path bearing between two points. More...

Detailed Description

QRA locator (Maidenhead grid square) and latitude/longitude bearing conversion interface.

Macros