There are plans on the repeater builder web site for a 440 dipole
project, just scale it to your freq. If the impedance needs to change
move the length of the spacer from the mast, if the freq doesn't land
perfect move the elements apart to go higher or closer to lower. There
must be several ways to make the harness from 35 or 72 ohm feedline,
there has been 3 sites mentioned recently and one combines both to save
physical space. I have begun using refrigeration gummy type sealant over
colored scotch 35 tape, then recoat with scotch 88 tape to prevent the
uv breakdown, so far 5 years and nothing has unrolled or changed with
coverage range - I am going to add a couple tie wraps over the tape next
time I climb to gain some durability on the top coating of tape. I
wonder what became of all that equipment UPS or whatever overland
trucking firm purchased to use the lower freqs. in 220 ham band 8 or 10
years ago when the band shrunk from the FCC auction?
> Paul Finch wrote:
>
> Hello,
>
> I have a friend that has built several for his own use but is not
> interested in building them for others. The worst thing about them
> are the coax connections on the phasing harness, he has not had a
> great deal of luck keeping them dry. DB uses a potting material with
> some kind of form to seal them, this works pretty well but I still
> coat everything with Scotchcoat.
>
> Paul
> WB5IDM
>
--
73...Clark Beckman N8PZD
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