FCC Opens GPS-Adjacent Ligado Proposal for Comment
http://www.insidegnss.com/node/4933
The Federal Communications Commission (FCC) is officially asking for
feedback on a proposal by Ligado Networks to repurpose frequencies
near the GPS band for a terrestrial broadband network. The
long-delayed public notice and comment period is a step in the
approval process, although there is no assurance that Ligado's plan
for a new wireless service — which may still cause interference to
GPS receivers — will get the go-ahead.
The current proposal is similar to ones made when the firm was still
called LightSquared but has a few additional elements. Of the two 10-megahertz bands closest to the GPS frequencies Ligado would
formally abandon the 1545–1555 MHz downlink band, leaving it the
1526–1536 MHz band for downlinks. It would also reduce the effective isotropically radiated power (EIRP) limit for this band from 42 dBW
to 32 dBW.
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