[Kenwood] ts 520

[mark kenward]

Thank you Alex.

Like I said, your wattmeter will be off, but your rig will be happy........



Works like a champ.


Best 73 to all.

K8VF
----- Original Message ----- 
From: "Alex Eban" <alexeban at bezeqint.net>
To: "'G. Doughty'" <ki4bbl at cox.net>; <kenwood at mailman.qth.net>
Sent: Thursday, April 21, 2005 5:46 AM
Subject: RE: [Kenwood] ts 520


> ...guys, bear in mind on crucial point: the SWR meter is by itself
> designed
> for a particular Zo. Soooo if you match let's say, the 2000 ohms mentioned
> above, to some load, different from 50 ohms, everyone will bw happy if you
> get a match. The tubes in the rig will see their 2000 ohms and the load
> will
> see the impedance that it likes. Everyone, that is, except the wattmeter
> that all of a sudden finds itself working in an environment very far away
> from 50 ohms, for which it was designed.
> Long ago, before coax went all the rage, we used monimatches: they were
> designed for indicating the relative power so that you could see the
> effect
> of what you were doing and were not overly sensitive to the line
> impedance.
> You just tuned for minimum reflected and maximum forward indications. We
> couldn't care less if that optimum setting was at an outlandish impedance
> level.
> Tune and load! If the finals' current stays within the normal range,
> you're
> doing fine. Don't look at the VSWR because you have no idea at what
> impedance level you are.
> Alex 4Z5KS
>
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