National Radio Astronomy Observatory Objects to Robotic Lawn Mower Waiver
The National Radio Astronomy Observatory objected to iRobot’s pursuit of a waiver of FCC rules to allow outdoor use of robotic lawn mowers (RLMs) and their control beacons in the 6240-6740 MHz band. The observatory said 5925–6700 MHz is generally…
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protected and iRobot’s commitment to label its RLMs as for “Consumer use only; use must be limited to residential areas,” won't offer adequate protection. The band is protected to allow “interference-free observation of the 6.66852 GHz spectral line of methanol (CH3OH) that is abundant in star-forming regions and serves as a galactic beacon of star-forming activity owing to its maser-like qualities,” the observatory said. This lets astronomers “do a kind of celestial cartography that measures distances to star-forming regions with high precision, charting the course of galactic evolution,” it said. The filing was posted Friday in docket 15-30.