4 ms·> Particularly time signals Doesn't GPS utterly replace this?by pfdietz 4mo ago> Particularly time signals Doesn't GPS utterly replace this?rafski123 4mo agoMany wall clocks and wrist watches (Casio WaveCeptors) plus cars set their times from radio.mrob 4mo agoLongwave penetrates buildings better than GPS and is harder to jam.ballooney 4mo agoIn no way whatsoever, for low power devices.