Reject Move by Carriers to Rewrite Z-Axis Rules, NextNav Tells FCC
Executives spoke with the FCC Public Safety Bureau staff about NextNav building a “highly accurate vertical location network,” said a filing posted Thursday in docket 07-114: “NextNav is deploying its infrastructure in more than one hundred cellular market areas." The…
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company said the FCC should reject any effort by carriers to revise rules requiring they provide height above ellipsoid data from wireless calls to 911, within 3 meters accuracy for 80 percent of calls, starting in the largest markets in April 2021 (see 2003230059): “Most wireless handsets (and nearly all smartphones) that include barometric pressure sensors, Wi-Fi and Bluetooth capabilities are already z-axis capable.”