Indeed, Theo. Under certain daylight conditions on 80m and 40m, I have
seen a 20db gain amplifier deliver a 23db increase in Rx signal
strength.
On Mar 30, 2006, at 5:47 AM, Theo Bellamy wrote:
> Don't forget to factor in ionospheric heating due to RF which will
> increase
> the received signal strength even more. Therefore a 10 db increase in
> transmitted power will result in more than a 10 db increase in received
> signal, depending on path, frequency, and how you tightly you are
> gripping
> the microphonium.
>
> But I won't HARP on this any further ..... ;-)
>
>
> Theo K4MO
>
>
>
> -----Original Message-----
> From: amps-bounces@contesting.com
> [mailto:amps-bounces@contesting.com]On
> Behalf Of Peter Chadwick
> Sent: Thursday, March 30, 2006 2:34 AM
> To: dezrat@copper.net; carl s; N7HIY; jkearman@att.net;
> amps@contesting.com
> Subject: Re: [Amps] "I gotta tell this"
>
>
> If one calls 10 times in a pile up to work the DX with 100 watts, and
> once
> with a kW, the product of power times time is equal. So from a
> ecological
> viewpoint, the two are theoretically equal, provided the overall
> efficiencies are the same. But the overall efficiency for the amp plus
> transceiver is likely to be higher, since the overhead of the low power
> stages etc is a smaller percentage.
> 73
> Peter G3RZP
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>
Rich Measures, 805.386.3734, AG6K, www.somis.org
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