Seeking a Win-Win Rebound from Lose-Lose
Based upon lessons learned from the lightsquared situation, the author identifies important considerations for GPs spectrum interference standards, recommended by the PNt eXcom for future commercial proposals in bands adjacent to the rNss band to avoid interference to GNss.
By Christopher J. Hegarty
A Civilian GPS Position Authentication System
It’s not difficult to generate false position reports and mislead a monitoring center into believing a receiver is located elsewhere — unless an authentication procedure is used. A clever system uses the concept of supplicant and authenticator to assess the truthfulness of position reports.
By Zhefeng Li and Demoz Gebre-Egziabher
2013 Receiver Survey
The only authoritative industry resource for GPs chipset, module, and receiver manufacturing furnishes detailed design and performance specifications for more than 500 receivers from 55 companies.
Geographic Eligibility: USA, Canada, Mexico, Selected International
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