U.S. Air Force to Test CNAV on GPS L2C and L5 Signals on 15-29 June 2013

Projects Networking, Protocols, and Devices
1

These test events will provide an opportunity for civil users and manufacturers to participate in L2C/L5 evaluation and will result in enhanced provider and user readiness for L2C/L5 operations once the Next Generation GPS Operational Control System comes online in 2016.

http://www.gpsworld.com/u-s-air-force-to-test-cnav-on-gps-l2c-and-l5-signals/

Now the question is which Arduino GPS module is compatible with L2C or L5 CNAV ?

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I can not believe nobody know or care about it.

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Got 3 years to care about it. I think GPS module manufacturers will care more.