You have enough room in your attic to construct yourself a quarter wave
ground plane using a 102 inch SS whip, the spring, the mount, a metal
mounting surface and several 108 inch long aluminum ground plane elements.
You should place the vertical element as close as possible to the roof
without touching it which would let you position the ground plane elements
at an angle toward the floor(ceiling joists). Your coax center conductor
would tie to the vertical element while the coax shield would tie to the
ground plane elements. the vertical element absolutely should not touch the
ground plane elements or the antenna will not work. I hope this gives you
the general idea.
"Buther Boy" wrote in message
...
Is there a good base antenna that can be used in the attic? I have a
lot of room, but haven't measured my attic. I would say there is at
least 12 feet of free vertical space...maybe even enough for an Imax
or A-99. Any suggestions you have would be great....Thanks!

Buther Boy

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