Does your 80m antenna have a flat 1:1 SWR from 3.5MHz to 4.0MHZ?
Cliff K3LL
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On Behalf Of Jeff Carter
> Sent: Wednesday, April 22, 2009 1:07 PM
> To: amps@contesting.com
> Subject: Re: [Amps] High SWR was SB-1000 tuning question
>
> I feel this way, too. I have a SB-220, but I only run it on 80m
> because that's the only place I have a 1:1 SWR.
>
> I have other antennas, but none of them give me a good enough match
> for me to feel confident running power into them. If I remember the
> math correctly, a 2:1 mismatch at 900 watts means 90 watts is coming
> back down the line at you, and I just can't imagine that ever being a
> good thing.
>
> So, I run barefoot on the other bands. The good news is I mostly work
> digital modes and PSK31 is wildly efficient for the contacts I expect
> to be able to make.
>
> Jeff/KD4RBG
>
> ---- Original message ----
> >Date: Wed, 22 Apr 2009 14:43:02 -0500
> >From: "KB0NLY" <kb0nly@mchsi.com>
> >Subject: Re: [Amps] SB-1000 tuning question
> >To: <amps@contesting.com>
> >
> >5:1? Why even bother running an amp if your SWR is that high. That's
> a lot
> >of reflected power back into the shack and on your feedline.
> >
> >I know a guy that runs an amp with a huge antenna mismatch and guys
> that
> >hear me at 100w with a properly tuned antenna can't hear him for crap.
> He
> >isn't making efficient use of his power. Run all the power you want,
> but
> >there is no substitute for a good antenna to connect to it.
> >
> >Scott
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