Forget GPS. All these pilots needed to do was talk to the FIR and set the SSR code because that prevents infringements does it not?
Who was this student talking to enroute?
A few more posts like this and the someone might realise that getting the FIR (a non-radar unit) to issue an SSR code to everyone they talk to
even those in foreign FIRs -much to the dismay of those countries ATS providers does little to reduce the UK's infringement problem.
How many other countries have the same problems?
How many countries have such a disorganised and fragmented ATS system?
GPS may not be the answer simply because navigation may not be the sole reason.
Regards,
DFC