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sci.geo.satellite-nav (Global Satellite Navigation) (sci.geo.satellite-nav) Discussion of global navigation satellite systems (GNSS). Topics include the technical aspects of GNSS operation, user experiences in the use of GNSS, information regarding GNSS products and discussion of GNSS policy (such as GPS selective availability).

FCC Opens GPS-Adjacent Ligado Proposal for Comment

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Old April 29th 16, 09:38 PM posted to sci.geo.satellite-nav
Sam Wormley[_2_]
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Default FCC Opens GPS-Adjacent Ligado Proposal for Comment

FCC Opens GPS-Adjacent Ligado Proposal for Comment

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 15451555 MHz downlink band, leaving it the
15261536 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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