[Elecraft] powermeter

Bob Naumann W5OV at W5OV.COM
Tue May 12 21:43:19 EDT 2015


You definitely want to measure the tuned portion of the path - that being
between the tuner's input and the output of your transmitter/amplifier.  

The SWR on the antenna side will not change regardless of how the tuner is
set, so what an SWR meter might measure at that point is meaningless to you
- you want to be measuring what your transmitter will be "seeing".

So, put your SWR meter between the amplifier and the tuner.

73,

Bob W5OV

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ross
Biggar
Sent: Tuesday, May 12, 2015 7:07 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] powermeter

This is probably a very naive question, but where should a powermeter that
measures Forward and reflected power
be positioned?
Should it be between the Amplifier and the Tuner, which could safeguard the
amplifier if there was a high SWR,
or after the tuner, (ie, between the tuner and the antenna)?

Thanks
Ross ZL1WN
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