----- Original Message -----
From: "Al Williams" <alwilliams@olywa.net>
To: <Sent: Tuesday, November 05, 2002 8:28 AM
Subject: Re: [Towertalk] Low dipoles
>
> >
> > A novel east coast idea via K3LR years ago is to put a reflector
wire
> on
> > the ground under the low dipole. Cheap and easy way to get some more dB
in
> > the air.
> >
> > Cheers,
>
>
> From time-to-time this idea is floated, but does it have merit?
>
> First, Earth is said to be a pretty good reflector.
>
> Second, EZNEC reports for a half-wave 68' dipole 30' high at 7.04 mhz:
>
> no reflector perfect ground 7.93 dbi straight up
>
> 70' refl on gnd " 7.93 "
>
> no reflector real ground (.005) 6.39 "
>
> 70' refl on gnd " 6.58 "
>
>
> 73 k7puc
>
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