If they were keeping in touch with some of their own people by short-wave—of course they would speak English!
Nick abandoned his job and went below to the short-wave set.
It wasn't a scientific guy talking, just the short-wave operator.
Suddenly the short-wave alarm in Gerry's helmet buzzed loudly.
There were taxi fleets to be equipped with short-wave radio.
There was a two-way, short-wave radio set built into his helmet.
When she came up it was to tell Terry that Nick was calling on the short-wave set.
Less than ten minutes later the short-wave radio informed the island that the shooting star had been seen to fall in the sea.
Reports from Rio on a short-wave band of radio frequencies were passing from Ribiera to some other place apparently inland.
The short-wave call ended, with Horta too much disturbed to refer again to Jimenez.
A radio wave with a frequency between 5.9 megahertz and 26.1 megahertz. Shortwaves broadcast from the Earth's surface are reflected by the upper atmosphere and can travel great distances around the planet. The shortwave band of the electromagnetic spectrum is used for amateur radio communications.