How did he know the radio wavelength to set it off?

She scanned up and down the radio wavelengths, looking for the one the looters were using.

That creature is 14 radio wavelengths or 5 feet 9.5 inches tall.

These results were complemented by new tests on radio wavelengths.

A. Most of the work has been done at radio wavelengths.

They could try radio wavelengths, and that's a logical place to be looking.

Because, see, at normal radio wavelengths, we're talking antennas maybe a meter in size.

I am communicating with them on radio wavelengths,' he explained.

More useful information may be found, for example, in radio wavelengths.

At least in radio wavelengths, the object appears to be holding its own.