I wonder if putting concrete pavers in the bottom of the hole to support the rebar, tower legs, etc. would not be simple and sufficient. Tod, K0TO -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com Search: http://www.contesting.com/km9p/search.htm