At 07:19 PM 5/24/05, you wrote:
>Greetings, All,
> I am in need to replace a vhf repeater antenna that has "gone bad"
> and I have come across two DB products 224 type VHF antennas
> Free. They are on 151.XXX now. My question is, has anyone out there
> used this antenna, [10mhz spread, 150-160 MHz] on their repeaters?
You will find that a large number of ham system use '224s or '228s
(two 224's on one 40' mast). Look at www.repeater-builder.com, then
select the "Antenna Systems" page, then scroll down about 2/3 of
the way to the "Antennas" section, then scroll down to the Phelps
Dodge section. You will find a lot of '224 info.
>A new one on the ham band will cost $499 plus shipping plus brackets. I
>would like to use the ones I have, if possible.
>Let me know if any of you guys have used them, and do they work
>OK thanks, Mike KD4HLH
You will want to take them apart, clean up the joints, use DeOxIt on
them, and reassemble with stainless steel, and put a split washer
(also stainless steel) on every bolt. You will want to use non-acidic
RTV on the coax-to-loop connections. Do that and you can ignore it
for 20 years, unless you are in a salt water / coastline environment.
If the harness looks like it's falling apart, bite the bullet and order a
new one.
>Michael C. Johnson
>KD4HLH
Folks have taken the 160-170MHz ones and cut the loops
and lengthened them by splicing in (welding in) pieces of
aluminum rod to make the elements the proper length for
the 130-150 MHz range. Someone was going to shoot
some pictures for a photo article for the web page on how
to do that but I never got anything.
Mike WA6ILQ
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