Referring to what DaDawgs said,
said by DaDawgs:
A thirty foot tower hinged near the middle needs you to set a concrete/cement base about 18" x 18" x 36"...
Look at Rohn's fold-over #55 tower uses.
said by bburley:
I also met someone who was concerned about concrete + lightning. He said that a direct hit could split the concrete and his solution was a rubber insulator around the concrete and a separate ground rod.
That is so absurd, I'll let someone else have a laugh at that.