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Steve October 24th 09 04:28 AM

Motorhome antenna
 

"n9zas" wrote in message
...

Stormin Mormon;691358 Wrote:
Wooden snow brush handle. UV resistant zip tie at each end.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"Steve" wrote in message
. ..

"Steve"
wrote in message OK so
the whip might be
the ticket for now, next up is making a plastic or-
rubber standoff
to keep it from swinging around so much. I figure I'll
hook that to the
luggage rack which
is right at the roof line and let it -whip- above that
somewhat.

Any suggestions on what to use for the standoff, all
things considered?

73
Steve.
-
I forgot to add the 'standoff' will need to be around two
feet long and
somewhat flexable/shock absorbing.

73
Steve.


Instead of a 102" whip flying around,


As I posted earlier, it won't be flapping around except above the luggage
rack. I intend to secure it with a non conductive standoff there.



why not simply pick up a
shakespear marine cb antenna that's designed to be used with fiberglass
craft? It could be mirror-mounted then you're done!
N9ZAS


The mirrors are fibergalss too... and I don't like the idea of using my coax
length to tune my swr.
Plus the fact the 102" will out listen and talk most any coily antenna.
(imo)

I'm gonna try it and see if it's too directional, I'll let you know.

73
Steve



Steve October 24th 09 04:43 AM

Motorhome antenna
 

wrote in message
...

Thanks for the help, tnom, I only want to do this once so I figure to ask
questions first..maybe test
and tune along the way. I fugure the 102"will see right through most of
the
coach, no?

73
Steve.


What metallic framing is just under the fiberglass. What wiring?
Any of this running parallel in close proximity to the antenna will
have an effect.


Yeah that's the question and I won't know until I try it. My other concern
is overpass clearence with it. It already has a two foot
CB antenna on it and I ain't impressed, so I'm looking to upgrade. I'll
mostly use it on ssb ragchew.

73
Steve.



[email protected] October 24th 09 03:35 PM

Motorhome antenna
 

The mirrors are fibergalss too... and I don't like the idea of using my coax
length to tune my swr.
Plus the fact the 102" will out listen and talk most any coily antenna.
(imo)


When you have a lack of or minimal ground plane you make the coax part
of the antenna! The coax length effects the SWR reading.

A ground plane decouples the antenna.

n9zas October 24th 09 09:44 PM

Quote:

Originally Posted by Steve (Post 690903)
Hello,
I want to put an antenna on a -fiberglass- motorhome (class a) and I'm not
sure about the no gound plane vs the regular mobile antenna choices. I have
a ladder
rack on the back, and a luggage rack on top, but I'm not sure of how much
ground I can get from that.

I have a 102" whip laying around and I thought about mounting that to the
back bumber with a homemade plastic 'standoff' at the top of the motorhome
to keep it from swinging.

Good idea, or no? (tree pruner is not what i want) but from the bumper I can
use most of that 9' before it clears the roof on a fiberglass body.

Strange combo.

Instead of a 102" whip flying around,why not simply pick up a shakespear marine cb antenna that's designed to be used with fiberglass craft? It could be mirror-mounted then you're done!
N9ZAS

Stormin Mormon October 26th 09 08:17 PM

Motorhome antenna
 
Door sweep, or threshhold from the hardware store?

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"Steve" wrote in message
. ..

"Stormin Mormon" wrote
in message
...
Wooden snow brush handle. UV resistant zip tie at each
end.


Yeah something along those lines but a bit more flexable
would work. Thanks
Stormin.




n9zas October 26th 09 11:18 PM

Instead of a 102" whip flying around,why not simply pick up a shakespear marine cb antenna that's designed to be used with fiberglass craft? It could be mirror-mounted then you're done! A marine antenna will perform nearly as well as that overgrown 102"! You can still mount it to your luggage rack too.
N9ZAS

Steve October 27th 09 08:46 PM

Motorhome antenna
 

wrote in message
...

The mirrors are fibergalss too... and I don't like the idea of using my
coax
length to tune my swr.
Plus the fact the 102" will out listen and talk most any coily antenna.
(imo)


When you have a lack of or minimal ground plane you make the coax part
of the antenna! The coax length effects the SWR reading.

A ground plane decouples the antenna.

Qsk, test and tune this winter while the machine is out of service. I hope
the 102 will work but that remains to be seen. It has a big ass
steel frame under it and that's where the whip will be mounted. I'm fairly
certain it will talk and hear toward the front of the motorhome
but being that it's fiberglass I won't know until I hook it up.

ps. I run hf gear at times but not always.

Thanks again for your help, tnom.

73
Steve.



Steve October 27th 09 09:00 PM

Motorhome antenna
 

"Stormin Mormon" wrote in message
...
Door sweep, or threshhold from the hardware store?


A piece of something no doubt, Strormin. I have some really thick ass rubber
mat for horse stalls that would work fine except for the black streaks it
would leave behind it on the top of the motorhome. That part is still in
design, qsk?

73
Steve.



Stormin Mormon October 28th 09 11:10 PM

Motorhome antenna
 
Well, something will come to mind eventually. I do that,
busy thinking about some thing, and the idea shows up after
a while.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"Steve" wrote in message
. ..

"Stormin Mormon" wrote
in message
...
Door sweep, or threshhold from the hardware store?


A piece of something no doubt, Strormin. I have some really
thick ass rubber
mat for horse stalls that would work fine except for the
black streaks it
would leave behind it on the top of the motorhome. That part
is still in
design, qsk?

73
Steve.




Steve October 31st 09 05:44 PM

Motorhome antenna
 

"Stormin Mormon" wrote in message
...
Well, something will come to mind eventually. I do that,
busy thinking about some thing, and the idea shows up after
a while.


That's right Stormin, donut wanna over think it!

73
Steve.




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