public void reverse()
{
Bear = CalcClass.Ang360(Bear - 180);
BearErr = (-1) * BearErr;
ED = (-1) * ED;
EDErr = (-1) * EDErr;
Reversed = true; //reverse base
}
public bool Reversed = false; //reverse base
public double Bear180()
{
return(CalcClass.Ang360(Bear - 180));
}