Good suggestions everyone. I think I will give the ATCO's a ring! And thanks for that quote dublinpilot, it's very vague stuff isn't it??
And piperboy, I wish it were that easy! haha why don't you just keep the numbers in your phone? I'd also think that talking to someone through your phone with all the noise would be near impossible! haha
(also those hand-held transceivers are like £300!!) hellish