Ideally you'd want some sort of portable GPS jammer. No idea where you'd find such a
thing.
Can't say I'm massively bothered by this sort of thing in principle. I do however object to our bankrupt little air force prioritising what little money we have on irrelevant schemes like this when certain Aircraft fleets are scrabbling around for every penny they can. £5M would fill a lot of operational gaps we currently have. Well done to the "support" services - another winner.
