Yes same here in Adelaide South Australia Alek; rarely do I hear or see on
the Rx bandscope anybody's spurious IMD crud. We are indeed fortunate to be
living in relatively uncrowded geographic regions of low ham Tx density.
Leigh
VK5KLT
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Alek Petkovic
Sent: Saturday, 23 May 2015 8:16 AM
To: AMPS
Subject: Re: [Amps] 12V IM3
You all live in areas of high ham population.
Come to Western Australia where its hard enough hearing the the primary
signals. You never hear any IMD products.
The bands are clean and uncrowded here. :-)
73, Alek
VK6APK
On 23/05/2015 2:23 AM, Mike Waters wrote:
> Well stated. However, at the risk of sounding pessimistic, I think that's
> wishful thinking.
>
> What bugs me is that most (if not all) SS amps that are overdriven
> generate considerably more IMD than most tube amps would if overdriven by
> the same amount.
>
> I can pick out an overdriven SS amp almost as soon as I hear the signal.
> And when we tune 3 kHz away and the signal is still fairly strong, there's
> almost zero doubt that there's an SS amp behind that trash.
>
> I think most people on this list know exactly what I mean. But I don't
> think there's a single thing we can do about it.
>
> 73, Mike
> www.w0btu.com
>
> ... The band will not get better until the signals get clean.
>
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