Is the telegraph pole a recognised unit for use on here, is it's use restricted to rockets?
There seems to some abiguitry in dimensions, so they seem a fine candidate for inclusion.
"How big are telegraph poles ?
No hard and fast answer. But 30ft (9m) would be a good average pole.
They are classed for width as (L) Light, (M) Medium, (H) Heavy or the less commonly used Stout."