I published just such a design with 3 elements on a 6 foot boom (gain 5
dBd) and 4 elements on the same 6 foot boom (6 dBd). See Communications
Quarterly, Winter 1998, "Yagi/Uda Antenna Design, Part 1: A different
approach", pp. 49-59. It is fed directly with 50 Ohm line with a few
ferrite beads on the jacket. The 4-element job is extremely wide band and
has 25-30 dB F/B. I used it for over a year to work numerous Europeans and
Africans on 6-meters with my modest 100 Watts. I now have upgraded to a
similar type using 5 elements on a 12 foot boom with 8 dBd.
At 01:24 PM 9/30/01 -0700, Dan Evans wrote:
>I have an unusual antenna project in mind and could use some direction.
>I'm planning to build a "short yagi" for 6 meters. I've gone through my
>limited collection of reference books, and haven't found much help. I have
>several editions of the Handbook, a fairly extensive QST collection, and a
>94 edition of the ARRL Antenna Book. I've been considering some of the
>Antenna compendium series, is there a particular issue that discusses loaded
>yagis? I'm sure they are all great, but can't afford to buy the whole
>What I have in mind is a two or three element 6 meter yagi on a 6' boom. I
>want to keep the element lengths less than 6' overall. At 6 meters, I
>think this should still produce a reasonably efficient antenna. I realize
>that most people don't need to reduce the size of a 6 meter yagi, so I don't
>expect to find "cook book" directions.
>And while I'm at it, what do you guys think about loading methods? Anyone
>care to comment on loading coils versus linear loading?
>Dan Evans N9RLA
>Scottsburg, IN 47170
>IN-Ham list administrator
>1/2 of the N9RLA /R no budget Rover Team
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