If I am not mistaken, it is never mentioned that the impedance is 50
ohms. In fact, he specifically states that it is the correct value of
377 ohms in the product brochure. A balun is required to bring it to the
proper feedline impedance.
Anthony Scandurra - KG2MY
> -----Original Message-----
> From: Dave Karklin [SMTP:karkdivd@otsego.net]
> Sent: Thursday, April 09, 1998 8:45 PM
> To: FXBEAMMEUP
> Cc: TowerTalk@contesting.com
> Subject: Re: [TowerTalk] Tennadyne LPDA
>
> Dear Scott:
>
> I didn't get too many comments but Bob, WS1A, agreed with my
> conclusion
> that something appears amiss on the inter-array line impedance. He
> stated
> "... you can't design a 2-boom LPDA for a 50 ohm feed impedance.
> Period".
> What has me stymied is anecdotal evidence that some folks (e.g.-
> KE4FW) do
> enjoy low SWR across the 14-29 bandwidth. At this point I'm stumped
> as to
> what to do. I would certainly welcome additional comments from others
> on
> how to improve SWR bandwidth of my T-10. Good luck with yours, Scott.
> The
> beast is certainly well designed at least mechanically.
>
> 73, Dave W2TA
> ----------
> > From: FXBEAMMEUP <FXBEAMMEUP@aol.com>
> > To: karkdivd@otsego.net
> > Subject: Re: [TowerTalk] Fw: Tennadyne LPDA
To: <towertalk@contesting.com>
> > Date: Thursday, April 09, 1998 7:41 AM
> >
> > Hello Dave---I read with great interest your comments reguarding
> your
> T-10. I
> > bought one 2 years ago (round booms) and , alas, it is still only
> partially
> > assembled hi hi!!---so I can't comment on mine yet hi!!----I hope to
> get
> it up
> > this Summer------Well after u posted ur questions I never saw any
> responses on
> > the reflector----I sure wud be interested to see if u got any
> worthwhile
> > responses----mebbe I cud modify mine as I assemble it to improve
> performance?
> > thanks in advance and GL scott K3FXB
>
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