The boat is mostly wood and fiberglass, only metal is railings.


"Cecil Moore" wrote in message
...
Scott Downey wrote:
I have a SWR meter. Will the length of the coax have an effect on the
tuning? I would like to have a run from the top of the flybridge to
cabin of
perhaps around 20 feet.

Is the (metal?) flybridge your ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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Scott Downey wrote:
The boat is mostly wood and fiberglass, only metal is railings.

To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be put
on a fiberglass boat knowing that most people would simply hook up the coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for boats
and not to be concerned about a ground plane.
Anyone know the answer?


"Cecil Moore" wrote in message
...
Scott Downey wrote:
The boat is mostly wood and fiberglass, only metal is railings.

To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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I found this

"I agree with the other posts. The length of cable is not an issue and your
problem is a lack of a good groundplane. I suggest that you try a CB marine
antenna. These antennas are design to operator without a groundplane.
However, they are probably not design to handle high power. Looking at
shakespears webpage it looks like there antennas are limited to 25 watts
max. Well with in the range of a legal CB radio."

http://www.shakespeare-marine.com/index.html

what a long link

http://groups.google.com/groups?hl=e...N%26 tab%3Dwg


"Scott Downey" wrote in message
...
Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be
put
on a fiberglass boat knowing that most people would simply hook up the
coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for boats
and not to be concerned about a ground plane.
Anyone know the answer?


"Cecil Moore" wrote in message
...
Scott Downey wrote:
The boat is mostly wood and fiberglass, only metal is railings.

To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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On Mon, 23 Feb 2004 15:35:24 -0500, "Scott Downey"
wrote:
I read in the marine catalogs about marine CB antennas designed for boats
and not to be concerned about a ground plane.
Anyone know the answer?

Hi Scott,

It could be a half-wave antenna (or jimmied to look like one) and it
counts on the cable feed to act as the minimal counterpoise to work
against.

OR

It could be outright baloney about not needing a ground plane.
CB does not have the reputation for marketing to the savvy.

73's
Richard Clark, KB7QHC

Scott Downey wrote:

Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be put
on a fiberglass boat knowing that most people would simply hook up the coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for boats
and not to be concerned about a ground plane.
Anyone know the answer?

I said "if it is a 1/4WL antenna..." If it is a 1/2WL antenna, it will work
without a ground plane. Does it have a coax connector on it? If so, what is
the outside of the connector tied to?

"Cecil Moore" wrote:
To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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Yes, it has a pl 259 coax connector on the antenna and it did not come with
any cable.

"Cecil Moore" wrote in message
...
Scott Downey wrote:

Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be
put
on a fiberglass boat knowing that most people would simply hook up the
coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for
boats
and not to be concerned about a ground plane.
Anyone know the answer?

I said "if it is a 1/4WL antenna..." If it is a 1/2WL antenna, it will
work
without a ground plane. Does it have a coax connector on it? If so, what
is
the outside of the connector tied to?

"Cecil Moore" wrote:
To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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Scott Downey wrote:
Yes, it has a pl 259 coax connector on the antenna and it did not come with
any cable.

But what is the outside shield of the pl259 connected to inside the antenna?
--
73, Cecil http://www.qsl.net/w5dxp



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Cecil is not fallowing along. I have an antenna just like yours and it is
designed to work without a ground plane. It is designed for boats.
"Scott Downey" wrote in message
...
Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be
put
on a fiberglass boat knowing that most people would simply hook up the
coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for boats
and not to be concerned about a ground plane.
Anyone know the answer?


"Cecil Moore" wrote in message
...
Scott Downey wrote:
The boat is mostly wood and fiberglass, only metal is railings.

To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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Sounds right to me, thanks.
How well does this antenna work for you?
I have not installed the radio yet.

"CW" wrote in message
...
Cecil is not fallowing along. I have an antenna just like yours and it is
designed to work without a ground plane. It is designed for boats.
"Scott Downey" wrote in message
...
Are you saying it wont work?
Why would the manufacturer make a marine CB antenna knowing it would be
put
on a fiberglass boat knowing that most people would simply hook up the
coax
and see it it works.
I read in the marine catalogs about marine CB antennas designed for
boats
and not to be concerned about a ground plane.
Anyone know the answer?


"Cecil Moore" wrote in message
...
Scott Downey wrote:
The boat is mostly wood and fiberglass, only metal is railings.

To what is the coax shield going to be tied? If that antenna is
an electrical 1/4 wavelength, where's the ground plane?
--
73, Cecil http://www.qsl.net/w5dxp



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-----== Over 100,000 Newsgroups - 19 Different Servers! =-----