Galileo ever come on stream?
On 22/02/2018 12:36, Tweed wrote:
There are many ways of messing about with GPS accuracy that do not
necessarily involve the use of satellites. Ground and aircraft based
systems can be used to locally or regionally spoof the system. In car sat
navs are reported to go haywire around the Kremlin. North Korea is reported
to have messed up GPS within South Korea.
There are often tests of GPS defeaters in the UK.