Laport's book can be freely downloaded here:
The same firm can also print out the book and ship it for a reasonable
fee. I'd rate the book as at least "grocery store novel" quality of
Needless to say, the content is *great*.
On 1/15/2011 4:41 PM, Paul Christensen wrote:
> I recently had dinner with my old boss, who is now Director of Engineering
> at WLS-AM in Chicago. He indicated that they have a system of 240 radials
> consisting of 120 added radials overlaid on an existing set of 120 older
> radials. The new and old radial systems only come in contact only at the
> base of the tower. Inefficiencies can develop when radials wires come in
> contact at a distance. The mechanism for this is detailed in Radio Antenna
> Engineering, by Laport.
> Paul, W9AC
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