short wave

Today, it broadcasts a 24-hour radio program on short and medium wave.

They use very short waves that reflect from earth and stone.

The short waves of blue light may interfere with sleep.

Soon his father's voice came back by short wave.

The system now: remember that the rays are short electrical waves.

He acknowledged the applause with a short wave of the hand.

These short waves cannot travel far because they bounce off even small objects.

Most likely they'll get orders to clear out, by short wave.

She'd heard him ask on short wave for a helicopter to come to that place to pick her up.

He'd have done better by telephone instead of short wave.