Re: Advice for portable 23cm beam

Mike Willis <m.j.willis@...>

Yet another option is to use a flat plate type of antenna that is easy to pack. A double quad - or several in a vertical stack. This has the advantage of a broad horizontal beamwidth and a narrow vertical beamwidth. Gain is lower than a 23 ele Tonna but so is size and weight. You can make the backplane out of mesh and if ambitious, put a 2.3 GHz array on the other side. The basic double Quad has 9 dBi of gain, an array of two stacked vertically should give you 12 dBi.

FRARS have a design on their pages and there is a double version in the old UHF DX Book. You might also look at G4CYAs' pages


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