[TowerTalk] Modeling a Cushcraft Beam

[GM3SEK]

D. Scott MacKenzie wrote:
> I am trying to model a modified CC 215WB for 2M SSB.  Whoever did the
> modification did a poor job, because it has no gain and poor pattern.
> Checking my model, using a known antenna (M2 2M9SSB), I get similar pattern,
> F/B and forward gain as indicated in the M2 literature - so I know my
> methodology is correct.  What is the correction factor for elements not
> insulated from the boom?
> 
You'll find some information in my 'VHF/UHF Long Yagi Workshop' pages, 
including a link to an online calculator.


73 from
Ian GM3SEK
www.ifwtech.co.uk/g3sek