Word: khz
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Coming late this summer: custom-built headphones that reproduce frequencies ranging from 20 Hz to 120 kHz, generally considered a broader range than humans can hear. After a set is purchased, it's adjusted to one of three sizes to fit the wearer's head. And for the $2,600 list price, you also get your choice of colors--red or blue...
...countries deliver more than 5,000 additional hours a week of pro-Soviet (and anti-American) broadcasting, more than twice the output of Radio Moscow. Radio Havana broadcasts to Africa and Europe through transmitters in the U.S.S.R. In parts of the U.S., Radio Havana can be heard at 600 kHz on AM radio...
Tunes all this: FM for fine music; AM for news, sports and music; Marine (2-4 MHz) for ship-to-shore and weather; Long Wave (150-400 KHz) Aircraft Band; Short Wave (4.2-17.9 MHz); Amateur and foreign broadcasts in 7 bands...
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