How To Use Kilohertz In A Sentence

Most bats emit sonar at ultrasonic frequencies around 20-60 kilohertz (humans hear up to 20 kHz), and this is the range at which hearing moths are most sensitive!
`It's a 58 Ol Mark 4. English job, built by Marconi, five kilohertz CORMORANT
The sonar that will be used has a frequency of 170 kilohertz and is considered safe for the animals.
Clupeid fish, like herring, anchovies, and sprats, can detect sound frequencies up to around 40 kilohertz, way beyond the hearing range of most other fish.
Subsequently Jonathan Ashmore, then at Bristol University, measured the speed of the outer-hair-cell motor and showed that it could respond to oscillating voltages at several kilohertz.

Modern tubes approach that ideal by drawing power at such high frequencies - tens of kilohertz - that the x-ray output is steady apart from a ripple of a few percent.
KHz Kilohertz -- international unit for kilocycle. The Dawn of Amateur Radio in the U.K. and Greece: a personal view
Another curious aspect to leopard seal vocalizations is their use of high-pitched clicks up to 165 kilohertz, a frequency far beyond the range of normal human hearing.
Kandahar Radio, on 864 kilohertz, has just gone off the air. KARA KUSH
I turned the key and punched on the radio and spun the dial to 790 kilohertz.
By comparison, a typical AM radio station operates in the kilohertz range, or thousands of cycles per second.
Like a metronome, every five seconds the submersible generates an acoustic tracking pulse at 8. 1 kilohertz.
Microtubules have vibrational resonances in the kilohertz (10 to the third power Hz) for tubulin C-termini, megahertz (10 to the 6th power Hz) for tubulin, and gigahertz (10 to the ninth power Hz) for ordered water in hollow microtubule cores. Deepak Chopra: Can Science Explain the Soul?