Homebrew Wire Antennas for Portable Ops


I'm an Amateur Radio enthusiast. I love the hobby and experimenting with radios, antennas and software. On my YouTube channel I upload videos on the Icom 7300 and Icom 7610 along with Ham radio software programs. I hope to inspire people to try new things in Amateur Radio.

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Bo Barry
3 years ago

I didn’t have good results with a 9:1. Found the 49:1 EFHW and won’t turn back. Granted 80m version not practical for portable. 73 Bo W4GHV since ’54

3 years ago

Hi. I do also use a long wire for home shack operation. Tha main issues I faced with long wire was they demand a tuner to low SWR. So I decided to order commercial LW from abroad. The HyEndFed Dutch company sent me a couple of antennas that have been installed and worked very good so far.

Tom Small
3 years ago

I truly enjoyed your email – When I travel with the RV I depend on my “loop” antenna / and 7300. Works great and easy to set up …

John Stumm
3 years ago

Rich, Good stuff! I really like the launcher you employ. The pneumatic one I made is cumbersome. Good numbers on the 64:1. Looking forward to see what the 9:1 yields. I’ve been playing around with my 1:30 variable Might Might unun. I’m getting very good readings on 40/20/15/10 meters with the single 64 footer. Only problem is limited power handling. Look for a new double core listing! 73 John

George Weller KD9PCN
2 years ago

I wonder how you came up with 64 feet for a random wire. Having read a lot (four articles including the one you cited). American authors seem to lean toward 58-59 feet, while VK6YSF does come up with 64, more or less. But the one I see most often is 71-72 feet (Balun Designs, Markowski (udel) and VK6YSF. That’s what I will try soon, with my 7300 and a 9:1 Unun from Nelson Antennas. We shall see. I’m still in learning mode, new ham in March. All the authors seem to gloss over whether they calculate bare or insulated wire.

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