Tom,
How about an old-fashioned mast made of overlapping two by fours or 
perhaps four by fours?  I believe that old-time handbooks had such 
projects.  in the old days it was even possible to get phone 
poles.  That's probably all gone away by now!!
I believe a guy could find a forty foot telescopic aluminum mast but 
by the time you guy it, it's kind of a kludge.
Good luck.
Pat, K9JAUAt 04:32 PM 7/18/2010, you wrote:
>     Guys:
>
>Your responses to my earlier questions have been so helpful, that I'd like
>to ask another question ifyou don't mind.
>
>Since I will not have my tower, and high trees are not readily available at
>the Michigan QTH, what would you recommend for a center support for my wire
>antennas?  I would like to run both dipoles off the same center support it
>possible.
>
>Ideally, I'd like to have some sort of a telescoping mast, but can't seem to
>find one that doesn't cost an arm and a leg.
>
>I have a spot where my old tower was bracketed to our garage, on which I
>think I could mount a center support of some sort with no problem.
>
>Thanks as always for all the great help.
>
>73 from Tom Behler:  KB8TYJ