So, are there any nec models for Hygain Yagis? I am interested in
adding rotary dipole for 18 and 24 MHz with my th5dx.
BrianKc4kk
Thanks,
Brian
On Thu, Apr 23, 2020 at 7:10 PM -0400, "K9MA" <k9ma@sdellington.us> wrote:
I always wondered about that. That was way before computer modeling, of
course. Even today, modeling traps is very difficult, hence all the
interleaved tribanders.
73,
Scott K9MA
On 4/23/2020 09:08, k7lxc--- via TowerTalk wrote:
>> Having designed a two band interlaced 30/17m I gained enormousrespect for
>> those designers with proven performance multi-band designs.A lot of hours at
>> the PC. Plus I wonder about how designers got itright in the "old days".
> When I was the Natl Sales Manager for Hy-Gain/Telex in the 90's, I met
> the guy that designed the TH-6. Hy-Gain had a nice antenna range and he said
> it took them 4 hours per iteration so I guess we'd say it was by educated
> trial-and-error.
>
> Cheers,Steve K7LXC
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Scott K9MA
k9ma@sdellington.us
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