No doubt the pucker factor comes from wondering whether the bit of ancient garage door maker's clattering assemblage of scrap iron will hold together long enough until the TACAN reads zero?
Have they retired Roger Waitout from HM's Grey Funnel Line yet? Always seemed to be at the other end of the wireless when we were doing those $odding awful JMC exercises which involved geting airbrone at oh-dark-whenever to stooge round in circles for hours whilst Roger Waitout and his cronies bouncing about on the briny dreamed up ever more pointless and innovative ways of defining frequency changes. Always had visions of some matelot cutting off to pusser's locker for a new crystal for the war canoe's transmitter every time a new frequency was ordered.