The only way he would have been able to communicate with them was via radio.

They left him there doing everything he could for Hal, trying to get help to come via the phone or radio.

They then learn via radio that vaccines are ready to be shipped.

By this point, the news had filtered out to the rest of the world via radio.

It took Bill a minute to realize that they were probably speaking via radio or some equivalent.

Instead they could communicate via radio with each other and their home base.

The program is heard via conventional radio and online in more than 157 countries.

And you have to arrange for media messages, via radio.

The speech was broadcast to the Arab world via radio.

Training instructions are often provided to the student via radio, particularly during the first flights.