Spider Beam Hf Antenna

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Spider beam hf antenna.

It has been specially developed as a highly efficient antenna for portable use a dxpeditioner s dream. Spiderbeam fundamentals the spiderbeam is a tribander yagi for 20 15 10m. The spider beam is a trapless multiband yagi constructed of 3 interlaced monobanders making it a highly efficient antenna and simple construction. Spiderbeam yagis feature full size elements with individual driven elements for each hf band fed from single feedline for monobander level performance.

The driven element is a directly fed multiband dipole again contributing to a simple broadband and low loss construction. Further development yielded a complete 5 band beam 20 17 15 12 10m a warc. While the antenna is as light as a mini beam it maintains the gain and f b ratio of a typical full size tribander. The design is very forgiving provided the wire elements were cut exactly in the beginning and high quality non stretch.

For spiderbeam home in germany please visit www spiderbeam com spiderbeam home in germany please visit www spiderbeam com. This is not a compromised element antenna like the hexagon or hex beam which uses only 2 elements per band bent into a c or m shape. The spider beam is a full size lightweight tribander yagi for 20 15 10m made from fiberglass and wire. The whole antenna weight is only 5 5kg 11 lbs making it ideally suited for portable use.

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