Tom :
I am using a Dk9SQ mast in a semi-permanent installation at home.
It is supporting a inverted-L W3EDP (end-fed 84ft wire) so there is
a 50+ foot horizontal component of the wire coming away from
the mast similar to what you are planning for the Battle Creek
special. It has only been up about a month so I can't comment
on how long you can expect the mast to last, exposed to the elements.
I do suggest that if you plan to buy one and leave it up for a
while that you should tape all of the joints with electrical tape after
you
extend it to prevent collapse.
I have also looked at the MFJ version and it is a cheap imitation
in my opinion.
The DK9SQ masts are very well made and should provide many
years of service.
Michael VE3WMB
P.S. I have had my DK9SQ mast for about 5 years and up until
now I have used it mostly for portable operations while on vacation.
P.P.S. I use a PVC tee with a hole drilled down through the middle
to attach antenna wires near the top of the mast. With the hole through
the Tee it will slide down over the mast a few feet. I have also used
Tees
in this manner as the center insulator of a dipole.
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