[AMPS] Re: swr

[measures@vcnet.com (measures)]

>
>Hi Mike...
>
>No, SWR at the load/transmission line interface depends ONLY on the 
>impedance mismatch at that point. SWR remains constant along the line 
>except for the effect of line loss, which is to cause SWR on the line to 
>decrease (rather slowly for normal losses) as you go toward the source. 
>
?  To find out if this is really true, why not try it?  All that's needed 
is a 50 +/- j0 ohm termination and a halfwave of 75 ohm coax (c.10.5 ' 
for 10m).  Measure the SWR at the half-wave and the quarter-wave points.  
If Mr. Ehrhorn is right, the measured SWR will be 1 to 1 at both points.  
 


-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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