[Elecraft] 270 foot (ish) Doublet & K3 ATU

Iain G4SGX g4sgx at justfans.co.uk
Thu May 15 15:22:39 EDT 2014


Hello,

Does anyone use a 270 foot doublet with the K3 ATU?

Is there a combination of feeder type/length and Balun type & coax 
length that tunes OK on 160-10?

I am currently thinking a 1:1 balun and 33 foot of 300 ohm feeder.

Obviously the coax length should be short but too short may cause rfi 
probs, but then I only run 100W.

Iain G4SGX


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