Originally Posted by javelin
That's one reason for looking at ADS-B instead because it is a simpler and cheaper system but because it relies on the dreaded GPS constellation owned by G.W., the CAA run scared. By the time Galilleo is up and running, we will have gone too far down the Mode S route to back out - another typical CAA screw up due to their ineptitude.
If you believe that ADSB is reliant only upon GPS with no ground infrastructure in the UK, then you should post your pilot licence back to the CAA immediately. (If you have one)