Return
value. Double. Angle returned as decimal numeral with degrees before
the decimal point, and decimal fractions af degrees after. Example:
117.343242
Degrees
Return
value. String. Angle returned as a string with the format "pggg:mm:ss.ff",
where p=sign (+ or -), ggg=degrees, mm=minutes, ss=seconds, and ff=fractions of
seconds. Example: "-117:20:35.67" (which equals -117.343242)