[Amps] Alpha 76 160 meter 2nd harmonic

[Jeff AC0C]

It can happen with that amp - been there, done that.

I have an Alpha 76pa.  And a couple of OO notices, plus a couple more from 
ops who sent me email with somewhat more detail.  What I traced it down to 
is running the amp out of optimal tune on 160 (which is really easy to do as 
the antennas tend to be so narrow banded).   The suggestions for a notch on 
80m are good.

73/jeff/ac0c
www.ac0c.com
alpha-charlie-zero-charlie

-----Original Message----- 
From: Bill Turner
Sent: Sunday, January 29, 2017 12:21 PM
To: Amps group
Subject: Re: [Amps] Alpha 76 160 meter 2nd harmonic

------------ ORIGINAL MESSAGE ------------(may be snipped)

On Sun, 29 Jan 2017 10:02:55 -0800, you wrote:

>Before you tear the rig apart, have you confirmed that the complainer was
>far enough away to rule out receiver front end overload?
>
>Chris, AB6QK

REPLY:

Also, are you using a multiband antenna which might be resonant on the
second harmonic?

73, Bill W6WRT
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