frequencies

He requested a GPS device from the Americans and radio frequencies to transmit information back to the U.S. forces.

That remarkable ear of his is attuned to the ultra-high frequencies of sinister voices.

By agreement, the countdown was to be broadcast to all aircraft over one of the airport frequencies.

I've even tried a dozen frequencies that couldn't possibly reach them, and I haven't stirred them up a bit.

The intermediate frequencies give us the intermediate colors blue-green and orange.

By vibration frequencies is meant the rate at which the ether vibrates, the number of vibrations a second.

The higher frequencies give us the colors blue and green, and the lower frequencies give us the colors yellow and red.