[TowerTalk] DC ground with a 1/4 goundplane

Joe Subich, W4TV lists at subich.com
Sun Apr 27 10:05:37 EDT 2014


Connect a shorted, 1/4 stub across the feedpoint.

73,

    ... Joe, W4TV


On 4/27/2014 9:56 AM, Dan Schaaf wrote:
> 3.5 to 4 uH choke from antenna feed to ground ( across the feedpoint
> coax ) will both provide a DC path and produce a near 50 ohm match for
> the coax on low bands.
>
> Just buy the same ones that mobile antennas have across the feedpoint.
> Or wind it on a dowel rod .
>
> Anyway, you get the idea.
>
> Best Regards
> Dan Schaaf
>
> =================================
> K3ZXL www.k3zxl.com
> =================================
>
>
> -----Original Message----- From: Jim Lux
> Sent: Sunday, April 27, 2014 9:50 AM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] DC ground with a 1/4 goundplane
>
> On 4/26/14, 5:42 PM, Ken wrote:
>>      Anyone have any ideas how to get a groundplane at DC ground?  Gamma
>> match is the only thing I can think of...
>>
>
> wire with a choke?
>
>
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