To: | <towertalk@contesting.com> |
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Subject: | [Towertalk] Low dipoles |
From: | alwilliams@olywa.net (Al Williams) |
Date: | Tue, 5 Nov 2002 08:28:11 -0800 |
> > 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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