[Elecraft] How to get SWR

[Matt Zilmer iPhone]

All diode-based SWR bridges have significant error at lower power levels.  I suggest the use of 3W or higher for TUN PWR. 

73!

-Matt
Always store beer in a dark place. - R. Heinlein
[iPhone]




> On Sep 24, 2016, at 04:02, Holger Schurig <holgerschurig at gmail.com> wrote:
> 
> Okay, figured it out.
> 
> I don't have a real dummy load, but a BNC terminator with 50 Ohm. This one
> is rated for only 0.5W, which I used as PWR setting.
> 
> The SWR bargraph (while TUNE is active) start to appear when I use a TX
> power of 0.4W ... 0.5W.  However, the SWR display (e.g. "6.6-1") in the
> VFOA display only appears above 0.7 .. 0.9W PWR setting.
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