You are correct, Rick. I meant 0.2 dB. Brain not too well in gear this AM.
Thanks for the correction, so no one is mislead.
73 de Milt, N5IA
-----Original Message-----
From: Richard (Rick) Karlquist
Sent: Tuesday, April 29, 2014 10:08 AM
To: Milt -- N5IA ; k1fz ; Carl ; Mike Waters ; topband
Subject: Re: Topband: 1000 feet 5/8" hardline or 600ohm True Ladder line.
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
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