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US cellphone expansion could deafen radio astronomers

发布时间:2019-04-02 03:10:02来源:未知点击:

GOOD news for cellphone users, bad news for astronomers. American plans to clear bandwidth for wireless transmissions could interfere with quiet frequencies used in radio astronomy. Last week, the White House announced plans to free up 500 megahertz of the electromagnetic spectrum over the next 10 years for devices like phones. This could triple existing cellphone capacity, says Andrew Clegg of the US National Science Foundation. “Plans to free up 500 megahertz of bandwidth could triple existing cellphone capacity” But it may also make observations trickier for radio astronomers. Within the most coveted region of the radio spectrum,