maybe a bad part ? does happen
Mark A. Holman  AB8RU ARRL Life Member
[EMAIL PROTECTED]
----- Original Message ----- 
From: "Mark Wilson" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Saturday, July 02, 2005 10:30 PM
Subject: Re: [Repeater-Builder] Antenex CWB440SC UHF antenna


> Thanks for the advise Eric.
> 
> Jeep Cherokee's have a metal roof. I have tried the
> antenna on a second mount I have on the back of the
> vehicle with the same results.  I have also checked
> grounding and ohmed out the cables. Not to mention the
> Larsen antenna I have works just fine on the same
> mount.
> 
> I think that I am just disappointed with the antenna
> and was wondering if anyone else had experience with
> this model good or bad.
> 
> Thanks
> Mark
> KB1IOZ
> 
> --- Eric Lemmon <[EMAIL PROTECTED]> wrote:
> 
>> Mark,
>> 
>> If your Jeep has a fiberglass or plastic roof, you
>> are missing a ground
>> plane for that antenna.  Adhesive copper or aluminum
>> sheeting is
>> available from several suppliers for creating a
>> ground plane.  If the
>> roof is metal, the rust-inhibiting coating on the
>> underside may be
>> preventing a good electrical contact between the
>> mount and the sheet
>> metal.  Check to make certain that the contact
>> spring in the center of
>> the NMO fitting on the antenna is making good
>> contact with the button on
>> the mount.  Finally, try a different NMO mount and
>> feedline.
>> 
>> 73, Eric Lemmon WB6FLY
>> 
>> mdnosliw wrote:
>> 
>> > I recently purchased a Antenex broadband UHF
>> antenna to use with 110W
>> > mobile Spectra. I mounted the antenna in the
>> center of my Jeep Cherokee
>> > roof and fed the shielded NMO mount with RG-400.
>> >
>> > I get about 20 watts reflected pwr and 80 fwd, not
>> so good. I talked
>> > with Antenex and was told no cutting is required. 
>> Well I guess it is
>> > broadband and the swr is bad all across the band.
>> >
>> > Anyone have any experience with this type of
>> antenna?
>> >
>> > Mark
>> > KB1IOZ
>> 
>> 
>> 
>> 
>> 
>> 
>>  
>> Yahoo! Groups Links
>> 
>> 
>>     [EMAIL PROTECTED]
>> 
>>  
>> 
>> 
>> 
> 
> 
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