[Hallicrafters] Re: Dipole antenna

Roy Morgan roy.morgan at nist.gov
Thu Feb 24 13:30:44 EST 2005


At 07:22 PM 2/23/2005, you wrote:
>What's a dipole?

Craig,

A dipole is a derivation of the monopole. The Monopole is derived from a 
monode - a one-element vacuum tube device.  Normally the element has 
voltage applied and produces heat (and maybe light.)  The oldest 
continuously-operating monode can be seen at:
http://www.centennialbulb.org/

The B&W company applied the Monode principle to antenna design with their 
TTFD (Tilted Terminated Folded Diplole).  The "termination" used was a big 
resistor that warmed the air more than the ether.  The rest of the antenna 
warmed the ether.

Anyway, if you have two monopoles (which some claim to be fictitious 
devices) and join them just right, you get a dipole.  It warms the ether on 
transmit and sucks signals out of the ether on receive.  No, Mister Perot, 
there is not a Giant Sucking Sound, just a very quiet one.  If you don't 
believe me about the ether, I'll just knock your heads together.

[there.. how's that for pot-stirring. And I didn't even mention cross field 
antennas, Mahlon Loomis, or Nikolai Tesla!)

Roy
Who made it almost half way through
field theory class before losing his
conceptual grip on the matter, ... er...
non-matter .. er... ether.


- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
7130 Panorama Drive, Derwood MD 20855
Home: 301-330-8828 Cell 301-928-7794
Work: Voice: 301-975-3254,  Fax: 301-948-6213
roy.morgan at nist.gov --




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