[PVRCNC] OLD SCHOOL T ant calc method

[brian]

http://www.nautelnav.com/wp-content/uploads/2012/01/NDB-ANTENNAS-Pinks-Jan-2012.pdf

On 2/2/2017 14:34 PM, brian wrote:
> Guys,
>
> I ran into this "slide rule" type calculator for FAA NDB shortened
> vertical antenna design.
>
> It yields some stuff that EZNEC    doesn't. It estimates antenna
> efficiency, current, peak voltage and bandwidth.
>
> One does have to guess at the ground loss contributor since the charts
> provided cover only 200 - 500 kHz and 30 or 60 radials.
>
> There is a prescription for handling guy wire type top hats.
>
> Worth a look at your 160M antenna.  You might be surprised how high peak
> voltages can be.
>
> 73 de Brian/K3KO
>
>
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