The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV, in the 1950ies. The Beam is a coax-fed version of the ZL-Special. The …

The HB9CV is the most popular directional antenna in the world, invented by Swiss amateur radio enthusiast Rudolf Baumgartner in the 1950s. He designed a reasonably simple antenna with …

The HB9CV version of the 2-element horizontal phased array seeks greater gain as well as freedom from the restrictions of existing parallel feedlines as phasing elements. The technique …

Mar 7, 2025 · The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. This beam antenna is a coax …

The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. This beam antenna is a coax-feeded version of the ZL …

Jul 20, 2024 · Simplicity in terms of its performance, equivalence with a Yagi antenna, optimally sized, three elements with wide spaced, or four elements with close spaced.

HB9CV @ 430-440MHz. The HB9CV is a fullfeeded directional antenna with 2 active elements. Compared to a 3-element Yagi-Uda it has about the same gain, even slightly better. That is …

HB9CV+5 for 430-440MHz (plans after DC7BJ) The HB9CV+3 is a fullfeeded directional antenna with 2 active plus 5 passive elements. One might call this array "HB9CV-Yagi". This adds …

The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. This one is for two metres but it can be scaled, from the dimensions in the …