I haven't been paying attention to the WISP market, so I'm not up to speed
on these issues.
https://www.fcc.gov/document/fcc-proposes-fines-against-wisps-and-issues-warning-industry-0
The Federal Communications Commission’s Enforcement Bureau today announced
proposed fines and issued a formal industry warning related to devices
that apparently caused interference to the Federal Aviation
Administration’s terminal doppler weather radar station in San Juan,
Puerto Rico. The Enforcement Bureau proposed three separate $25,000 fines
against wireless Internet service providers Boom Solutions, Integra
Wireless, and WinPR.
[...]
In addition to the proposed fines, the Bureau’s Enforcement Advisory
warned operators, manufacturers, and marketers of Unlicensed National
Information Infrastructure devices that these devices must be certified
under FCC rules. Such devices that operate in the 5.25 GHz to 5.35 GHz and
5.47 GHz to 5.725 GHz bands risk interfering with radar systems if not
properly configured to share the spectrum
[...]
