[Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.
Brendon Whateley
brendon at whateley.com
Fri Mar 25 01:01:01 EDT 2016
Jim,
Is there a suitable modeling software for the Mac? I've not had a Windows
machine in the house since XP was shiny and new...
- Brendon
On Thu, Mar 24, 2016 at 6:11 PM, Jim Brown <jim at audiosystemsgroup.com>
wrote:
> On Thu,3/24/2016 3:15 PM, Brendon Whateley wrote:
>
>> Jim,
>>
>> Can you toss a capacitive hat on the top of the shorter vertical and see
>> what difference that makes? I've not figured out how to use the modeling
>> software yet!
>>
>
> Now's a good time to learn. :) Modeling software like NEC is a great way
> to learn about antennas.
>
> I don't have time to do a model, but almost any top-loading is better than
> bottom loading. My guess is that ONLY a cap hat won't bring a 4 ft
> vertical to resonance without a loading coil, but depending on how big the
> coil and hat are, it could be as much as 2-3 dB better than the coil only.
>
>
> 73, Jim K9YC
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