On 9/18/2017 7:06 PM, Wayne Burdick wrote:
As I recall, the matched impedance loss would be twice the loss of a single run
of the coax, but at reasonable distances and the low loss of LMR-400, it should
not be a problem at HF.
Agreed.
The matched loss in parallel runs of coax, whether wired in series (to
double the Zo) or in parallel (to divide Zo by two), is the same as for
a single run of the same coax.
The virtues of parallel runs are the lack of interference with
surrounding objects and the impedance transformation of the series or
parallel connection.
73, Jim K9YC
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