Apr 2, 2005 #1 1 105s Member level 4 Joined Feb 23, 2004 Messages 75 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 456 Anybody design helix HF antenna? i want to design a helix antenna which work for 12Mhz?how to define its parameter?thanks.
Anybody design helix HF antenna? i want to design a helix antenna which work for 12Mhz?how to define its parameter?thanks.
Apr 2, 2005 #2 Borber Advanced Member level 5 Joined Dec 31, 1999 Messages 1,600 Helped 235 Reputation 472 Reaction score 111 Trophy points 1,343 Location on third flor Activity points 11,863 Re: helix HF antenna I am not shure the frequency is correct, but for 12MHz, 10dB gain you will have dimensions length=57 feet and diameter 26 feet for 3 turns. I think such antenna would be impractical.
Re: helix HF antenna I am not shure the frequency is correct, but for 12MHz, 10dB gain you will have dimensions length=57 feet and diameter 26 feet for 3 turns. I think such antenna would be impractical.