Topband
[Top] [All Lists]

TopBand: How many radials ?

To: <topband@contesting.com>
Subject: TopBand: How many radials ?
From: n7cl@sparx.mmsi.com (Eric Gustafson)
Date: Mon, 21 Oct 1996 07:26:19 -0700
 >X-Authentication-Warning: paris.akorn.net: majordom set sender to 
 >owner-topband using -f

 >From: W8JITom@aol.com
To: <topband@contesting.com>
 >Date: Sun, 20 Oct 1996 22:30:48 -0400
 >
 >First, I agree in this specific case base impedance is a reasonable indicator
 >of system loss, but base impedance measurements can be misleading if the
 >ground system is resonant! It is possible to have a very "poor ground" that
 >offers a low base impedance, since the loss resistance is modified by
 >impedance transformation along the conductors in the system.
 >

Right.  Since I knew this to be a case using nonresonant radials, I forgot
to warn against using that method when the radials are at a resonant
length.

73,  Eric

--
FAQ on WWW:               http://www.contesting.com/topband.html
Submissions:              topband@contesting.com
Administrative requests:  topband-REQUEST@contesting.com
Sponsored by Akorn Access, Inc & KM9P

<Prev in Thread] Current Thread [Next in Thread>