@JJ answered my post about how they know about thirty posts ago that yes they can get your address from your number so all this stuff about letters is by the by and I am quite willing to take your version just to put an end to all these posts about nothing.Terribly sorry for bothering you Mr Chaser
But the way I read the OP was that this letter, the appeal, was written a year ago when the alleged offence took place. He heard nothing more until receiving notice yesterday - but I accept the post is ambiguous.