GAO: DOD Still Struggling With GPS' M-Code Upgrade
The Defense Department has made progress on upgrading GPS with a military-specific signal -- M-code -- that resists interference and jamming, but it still faces challenges in developing the needed ground, space and user equipment, GAO said Monday. The ground…
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segment modernization needs more testing and demonstration, and the Air Force's development of receivers that process M-code has been delayed, GAO said. It added that delays in satellite delivery raise the possibility of DOD's goal of having M-code-capable satellites in continuous operation being pushed back by years.