It was a good bet that to most listeners these changes in call letters made not a kilocycle’s difference. Contact us at [email protected] ...

The result is an infinitely variable combined image. Concurrent with the ever-changing, overlapping color fields is an audio track: a 100-kilocycle tone emanating from each projector and ...

Or a dog whistle, provided with the $40 switch, can be blown twice. For Sonuswitch is trained to respond only to 14-kilocycle signals that occur twice in the space of half a second. A constant ...

“If even one of them is credible,” he tells me, “she didn’t crash at sea.” The 3105-kilocycle frequency, thanks to ionospheric refraction, can broadcast on multiples, or ...

On the inner groove of the UK version of the album, exists a few seconds of 15 kilocycle tone (basically a dog whistle), followed by several seconds of random recorded Beatle rubbish. This meant ...