Topband: 1000 feet 5/8" hardline or 600ohm True Ladder line.

Tue Apr 29 13:08:19 EDT 2014

On 4/29/2014 8:49 AM, Milt -- N5IA wrote:
=
> The 420 foot long run of paralleled cables dampens the slight mismatch

> The calculated loss is a mere 0.2%.  The proof is in the pudding.  It

> 73 de Milt, N5IA
>

0.2% is only 0.01 dB, that can't be right.  Maybe
you meant 0.2 dB.

The ARRL Antenna Handbook shows about 0.4 dB for 420
feet of 75 ohm 1/2 inch hardline.  Paralleling two
runs of line does not decrease the insertion loss.

Rick N6RK