Over land that's easy to do, because there are land-based stations.

In reference to unlicensed land-based stations, the term underground radio is in common usage in Taiwan.

Currently, mobile telephone service is available in areas with land-based stations to relay the signal, generally urban areas.

She operated as a mobile tracking station, recording test data from missiles and satellites out of range of land-based stations.

Prince Olav Harbour (from 1911-1916 factory ship and small land-based station 1917-1931)

Stromness (from 1907 factory ship, land-based station 1913-1931, repair yard to 1960/1961)

Husvik (from 1907 factory ship, land-based station 1910-1960, not in operation 1930-1945)

As Floyd approaches and passes over them, weather buoys weigh in, as do land-based weather-instrument stations.

Marine power plants are generally smaller than land-based electrical generating stations.

Environmental groups are concerned that floating plants will be more vulnerable to accidents and terrorism than land-based stations.