Re: Elecraft CW Net Announcement
Posted by
Don Wilhelm on
Jul 26, 2020; 6:57pm
URL: http://elecraft.85.s1.nabble.com/Elecraft-CW-Net-Announcement-tp7663535p7663547.html
Fred,
That would be correct if they are oriented at 180 degrees from each
other so as to cancel the horizontal radiation. Elevated radials must
be tuned to be effective, but only 2 are needed. How much tuning will
depend on the height above ground.
73,
Don W3FPR
On 7/26/2020 2:36 PM, Fred Jensen wrote:
> Ground Plane?
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
>
> On 7/25/2020 8:20 PM, kevinr wrote:
>>
>>
>> An antenna design is stuck in my head. It consists of three legs,
>> each 1/4 wavelength long. One leg is vertical while the two radials
>> are 120 degrees below it. The two radials are connected electrically
>> while the vertical leg is fed separately. If it had more radials it
>> would be called a 1/4 wave vertical. But the one stuck in my head has
>> elevated radials and only two of them. I cannot remember what this
>> antenna is called. I know 'inverted Y antenna' doesn't work as a
>> search term. Does anyone know what this is usually called so I can
>> use a better search string? The low take off angle would be nice. It
>> looks like a 20 or 40 meter version would be easy to build and raise.
>
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