| 11. | The system can transmit data at 1 kilohertz.
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| 12. | It is the AM band at 1233 kilohertz.
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| 13. | WELL shifted from 1420 to its current dial position of 1400 kilohertz in 1941.
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| 14. | Instead, the new system uses relatively low frequencies, between 10 and 20 kilohertz.
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| 15. | Station WEVD was among those affected, forced to move from 1300 to 1330 kilohertz.
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| 16. | WPRC s original frequency was 1390 kilohertz.
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| 17. | Ultrasound frequency is greater than 20 kilohertz.
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| 18. | The provide for only one-way communications, over a single 50-kilohertz channel.
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| 19. | Each skier in a group sets their own beacon to transmit a signal at 457 kilohertz.
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| 20. | It is measured by its frequency, usually in units of kilohertz, megahertz or gigahertz.
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