NTIA Seeks Technical Changes to Protect Colorado Quiet Zone
NTIA proposed modifications to FCC rules that protect the Department of Commerce’s Table Mountain Field Site and Radio Quiet Zone, which is located north of Boulder, Colorado. The site is used to study the characteristics and propagation of electromagnetic radiation…
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and spectrum coexistence in a real-world environment. “For frequencies of 15.7 GHz and above, the field strength limit should increase with frequency,” an undocketed filing posted Friday said. For those same frequencies, the field strength limit “should be defined as a spectrum density, of field strength (power) per megahertz instead of total signal power,” NTIA proposed. NTIA said it was similarly modifying its rules.