Federal Agencies Concerned on Use of High-Band Spectrum for Platforms
NTIA raised concerns about the use of the 70/80/90 GHz bands for high altitude platform stations or other stratospheric-based platform services, absent protections for scientific studies in the bands. NTIA attached a filing by NASA, the Commerce Department and the…
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Air Force, in its filing posted Thursday in docket 20-133. The government seeks protections for earth exploration satellite service (EESS) (passive) and space research service (SRS) (passive) in 86-92 GHz, EESS (active) and SRS (active) in 94-94.1 GHz, and fixed satellite service and mobile satellite service operations in 71-76 GHz (space-to-Earth) and 81-86 GHz (Earth-to-space). An October Wireless Bureau public notice “does not address, in detail, provisions or requirements to protect Science Services operating in adjacent-bands allocated for EESS (active and passive) and SRS (passive)” and “does not extend the existing regulations to the protection of the adjacent band services,” the agencies said. Replies are due Monday in the proceeding (see 2111010046). “The Joint Agencies reiterate the importance of the … bands to meteorology and climate science,” the filing said: “Any additional usages for active services should be based on sound engineering studies to determine the limitations on unwanted emission levels.”