On Jun 11, 7:55*am, Michael wrote:
* Clarification requested please.

They are probably worried about losses if there is a high SWR on the
coax feedline. I don't see any reason why the Lazy-H can't be fed with
ladder-line and Z0-matched to 50 ohms at the tuner which will cause a
near conjugate match at the antenna feedpoint and throughout the rest
of the system using low-loss feedline.
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73, Cecil, w5dxp.com