[CQ-Contest] Antenna analyzers

[Gmail <anyone1545@gmail.com>]

SWR is defined as ratio of maximum to minimum voltage / current on a 
transmission line. I don’t see how changing the line length will affect that 
ratio. 
The dipole has a 72 ohm impedance at the center and ladder line has a 
theoretical impedance of 250 - 350 ohms. Just want to confirm there  is a 
matching device between line and antenna.

Ray
W8LYJ
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