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40 meter driven array




 
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Author Topic: 40 meter driven array  (Read 8456 times)
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W1IA
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« on: October 23, 2005, 11:18:54 AM »

I was chatting with Tom K3MRG and he directed me to an outstanding article covering driven arrays.

http://www.w6kan.com/k3mrg2.html

This may be the basis for scaling to 80 meters in the back 40.

Brent W1IA
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K1JJ
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« Reply #1 on: October 23, 2005, 11:48:15 AM »

Interesting, Brent -

That system is exactly what G/INR is doing on 75M with the exception of the last piece of double matching coax to go from 25 to 50 ohms.

I like the suggestion of making the elements 1.4% shorter to compenmsate for mutual coupling. Never saw that suggestion before.

This is a great system which is all driven - perfect if it is going to be less than 3/8 wave above ground for a given band.

Hope you try it for the DX window, OM. 

T
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