[Amps] High SWR,

[Gary Schafer]

Well, spouting off can be a good thing. That's what the reflector is for. So
people can learn from one another. Plus it provides some entertainment for
us old farts.

73
Gary  K4FMX

> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Carl
> Sent: Wednesday, April 22, 2009 8:35 PM
> To: ve3zi at rac.ca; Amps
> Subject: Re: [Amps] High SWR,
> 
> Roger, youre correct; its been said so many times you would think it
> would sink in.
> 
> But with noobs from the CB/FM ranks old myths die hard. They cant be
> bothered buying a Handbook or Antenna Manual and just spout off on here
> and elsewhere with zero idea of what they are talking about.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message -----
> From: "Roger Parsons" <ve3zi at yahoo.com>
> To: "Amps" <amps at contesting.com>
> Sent: Wednesday, April 22, 2009 8:13 PM
> Subject: Re: [Amps] High SWR,
> 
> 
> >
> > I know this has been said before, but just because your SWR meter says
> > there is x Watts of power coming back down the line, it doesn't mean
> > that it is being dissipated in your transmitter. All it means is that
> > the transmitter sees a load other than 50 Ohms (or whatever) - and it
> > may or may not be able to match it. If you have a really bad mismatch
> > you can (apparently) have the situation that your 100W transmitter is
> > (say) transmitting 1kW and getting 900W back. Obviously that can't
> > really happen - the reason that it seems to is that the SWR meter is
> > measuring Volt-Amperes (reactive power) rather than Watts (real
> > power) - that is that the current and voltage are not in phase -
> > except in the special case of a 1:1 SWR.
> >
> > 73 Roger
> > VE3ZI
> >
> >
> >
> >
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> 
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