[TenTec] Tennessee Dreamin'

[Ken Brown]

Mike Hyder -N4NT- wrote:

>I suppose what I found confusing was any reference to impedance as it would
>seem to remain constant during our doubling of power.  The aerials would be
>constant, the ether, too.  So whatever the impedance value you want to plug
>into ohm's law wouldn't matter.
>
>If my 50 watt output induces a 100 microvolt signal input to your receiver,
>will my 100 watt output induce a 141.4 microvolt signal or something
>different from that.  What I am asking for is numbers so I'll understand if
>an S-unit is equal to a 6 dB difference, is that 6 dB of voltage difference
>or of power difference or does it matter?
>
>Mike N4NT
>  
>
Mike,

A dB is a dB. That's part of the beauty of using dB instead of power 
ratios or voltage ratios.

DE N6KB