radio navigation

16 LETTERS · STARTS WITH R

radio navigation is a valid 16-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1D2I1O1N1A1V4I1G2A1T1I1O1N1

1 + 1 + 2 + 1 + 1 + 0 + 1 + 1 + 4 + 1 + 2 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does radio navigation mean?