[450] 10 meter mobile installation.

William Knapp / KC1WJ kc1wj at kc1wj.com
Thu Jul 11 11:12:54 EDT 2013


Hey Tom -
How does it mount? I have 3 pad and 4 pad magnet mounts. your antenna  
might be the solution. Chris - K1MAL is letting me borrow a known good  
Wilson mag mount antenna this week-end to determine if it's a problem  
with my antenna or something with the vehicle or grounding. Thanks  
Chris!
And thanks Tom for the offer.



Quoting Thomas Moore <piper925 at att.net>:

> I've got an Antron 10/11 meter mobile antenna ....bottom loaded, the  
> "stinger" is about 30" long and adjustable over the entire bands.  
> The thing is about 5' all toll. Needs a good magnet (s). It's yours  
> if ya want it.
>
>
> ________________________________
>  From: David McKenzie <k1fsy at vhfwiki.com>
> To: 144.450 Mailing List <450 at lists.vhfwiki.com>
> Sent: Wednesday, July 10, 2013 6:31 PM
> Subject: Re: [450] 10 meter mobile installation.
>
>
>
> try grounding the radio to the frame
>
>
>
>
> On Wed, Jul 10, 2013 at 6:15 PM, William Knapp / KC1WJ  
> <kc1wj at kc1wj.com> wrote:
>
> Possibly.
>> I moved the antenna to different spots on the roof but it didn't  
>> make any difference. Her car *is* pretty small, but I ran a crappy  
>> radio shack cb mag mount cut to 10m on my old VW Rabbit and it  
>> worked fine. Her car is that much smaller.
>>
>> Quoting David McKenzie <k1fsy at vhfwiki.com>:
>>
>>
>> insufficient ground for the antenna maybe
>>>
>>>
>>> On Wed, Jul 10, 2013 at 5:42 PM, William Knapp / KC1WJ  
>>> <kc1wj at kc1wj.com>wrote:
>>>
>>>
>>> I tried a few different "known good" jumpers. The antenna is brand new.
>>>> You'd think the feedline would be okay. Bob came over last week-end with
>>>> his antenna analyzer, but we just ended up sitting out on the  
>>>> deck shootin'
>>>> the shit.
>>>> Priorities, priorities.
>>>>
>>>>
>>>>
>>>> Quoting chris <cralt at comcast.net>:
>>>>
>>>>  Sounds like you have a bad connection in the feedline or the jumper.
>>>>
>>>>
>>>>>
>>>>> On Jul 10, 2013, at 5:14 PM, William Knapp / KC1WJ wrote:
>>>>>
>>>>>  Trying to get things set up in Christine's car.
>>>>>
>>>>> Cannot tune antenna to under 2/1, made a 5 inch 5 turn choke from
>>>>>> coax...no difference. I move my hand close to the rig and the  
>>>>>> swr goes down
>>>>>> and then back up again. Moving the power cord or mic cable  
>>>>>> wildly effects
>>>>>> the swr. I've installed bunches of rigs in cars, but I've never  
>>>>>> seen this
>>>>>> kind of behavior with an antenna.
>>>>>>
>>>>>> Frustrated.
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>
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>>>>
>>>
>>
>>
>>
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