/// <summary>
/// Get the distance from one grid to another.
/// </summary>
/// <param name="destination"></param>
/// <returns></returns>
private string GetDistance(string destination)
{
string homeLocation = settings.Grid;
double distance = MaidenheadLocator.Distance(homeLocation.ToUpper(), destination.ToUpper());
if (settings.Unit == Units.Miles)
{
distance /= 1.6;
}
return(string.Format("{0:0.##}", distance));
}