Mariner's compass and Radio compass

Mariner's compass noun - Compass in the form of a card that rotates so that 0 degrees or North points to magnetic north.

Radio compass and mariner's compass are semantically related. In some cases you can replace phrase "Radio compass" with "Mariner's compass", this phrases are similar.

Radio compass noun - A direction finder that gives a bearing by determining the direction of incoming radio signals.

Mariner's compass and radio compass are semantically related. Sometimes you can replace phrase "Mariner's compass" with "Radio compass", this phrases are similar.