|To:||"Tom Rauch" <email@example.com>, <firstname.lastname@example.org>|
|Subject:||[TowerTalk] Re: Coil loss|
|From:||Bill Fuqua <email@example.com>|
|Date:||Wed, 02 Jun 2004 15:17:58 -0400|
You are probably right about the ground loss. In a balanced system the
dominate loss will not be ground loss but|
you can't escape higher Q with short antennas.
I'd prefer a vertical antenna with an attached tuner if possible. But it is more complex
and more costly.
73 Bill wa4lav
At 02:17 PM 6/2/2004 -0400, Tom Rauch wrote:
> It turns out that the shorter an antenna is relative to a > wavelength is, the higher the Q of the resonant antenna system (antenna, > transmission lines, coils, inductors and tuner) must become to effectively > radiate RF energy. And in achieving that higher Q using coils and/or > capacitors there is a good chance of increased losses due to the higher AC > currents and voltages involved.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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