[Amps] High SWR,

donroden at hiwaay.net donroden at hiwaay.net
Thu Apr 23 09:08:15 PDT 2009


I like Carl's perspective. Sometimes, all the theory in the world won't
put a watt into an antenna.


Don WA4NPL




Quoting "Pete Smith" <n4zr at contesting.com>:

> Carl occasionally goes too far, but he also has forgotten more about
> amps (from a practical and repair perspective, especially) than most
> of us will ever learn.  He's a valuable resource, and it would be a
> shame to have him banned.  Use your delete key or filter his messages.
>
> Compared to the flame wars of old, this is pretty tame stuff.
>
> 73, Pete N4ZR
>
> At 10:47 PM 4/22/2009, KB0NLY wrote:
>> Why doesn't someone finally kick Carl off here for god's sake?  I can't
>> remember the last time he contributing something on topic or worth reading.
>> I was on a different computer today when his comments came through, forgot
>> to block him on here, now he is in the block list on both computers.
>>
>> 73,
>>
>> Scott
>>
>>
>> ----- Original Message -----
>> From: "Gary Schafer" <garyschafer at comcast.net>
>> To: "'Carl'" <km1h at jeremy.mv.com>; <ve3zi at rac.ca>; "'Amps'"
>> <amps at contesting.com>
>> Sent: Wednesday, April 22, 2009 9:28 PM
>> Subject: Re: [Amps] High SWR,
>>
>>
>> > 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
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Amps mailing list
>> >> > Amps at contesting.com
>> >> > http://lists.contesting.com/mailman/listinfo/amps
>> >>
>> >> _______________________________________________
>> >> Amps mailing list
>> >> Amps at contesting.com
>> >> http://lists.contesting.com/mailman/listinfo/amps
>> >
>> > _______________________________________________
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>> > Amps at contesting.com
>> > http://lists.contesting.com/mailman/listinfo/amps
>>
>>
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