[amsat-bb] Helix and pre-amp

Andrew Rich vk4tec at people.net.au
Mon Dec 10 01:14:26 PST 2007

I am keen to hear from others that may have added a pre-amp to a helix.

Does it help ?

I have made a 9 turn on 70cm - thinking of going to 16 turns.

Andrew Rich VK4TEC
vk4tec at people.net.au

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