Re: AW: [TCML] COUNTERPOISE

[davep@xxxxxxxx]

>> I've only built one, so I can't tell you the optimal number of wires.
>> I used 12 bare copper wires across the diameter, tied and soldered
>> in the middle with another loop of wire for the secondary connection,
>> and spread at 15 degree intervals.

> LaPorte's "Radio Antenna Engineering" has some interesting data on
> effect of the number of radials on a grounded vertical tower.
> My copy is at work but as I recall, if the radials are equal in
> length to the height of the tower the advance gained in increasing
> from 4 to 8 are small and beyond that point not of much benefit to
> anyone who isn't in commercial operation.
   Matches my recollection of similar (the same?) source.
   Might be available on 'google books'?

   Commonly '1/4 wave over ground plane' for VHF, CB, etc, use
   4 radials for the 'ground'.

   (Of course: coiling 'good' may vary a bit from
   'radio comm good', but its a place to start....)

   best
    dwp

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