[450] 10 meter mobile installation.

[William Knapp / KC1WJ]

this could be the problem!
"Power Source: ..................... 12-16 VDC, Negative or Positive Ground"

I need to make it NEGATIVE ground only and I bet it will straighten  
out the antenna sitch. either that or I can do a test using the 706  
and see if I still get screwy results.




Quoting David McKenzie <k1fsy at vhfwiki.com>:

> 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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