Reply to post: Yet Another Satellite Navigation System

Blighty stuffs itself in Galileo airlock and dares Europe to pull the lever

YARR

Yet Another Satellite Navigation System

With so many SatNav systems to choose from (GPS, GLONASS, Galileo, BeiDou, NAVIC) why waste money creating another? A cheaper option is to merge the publicly available positioning data from them all to get increased precision.

As the Russians or Iranians (presumably) have demo-ed in Syria, current SatNav systems are vulnerable to electronic interference meaning they can't be relied upon for military applications. Better to invest in alternative navigation systems combining inertial + ground radar data etc. If you must have a private SatNav for military purposes, launch 3+ disposable micro-satellites near the target area (keeping the protocol secret). All major powers can destroy satellites from the ground, so you can't expect SatNav satellites to remain active for long in a real conflict.

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