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HD Series: Heavy-Duty Antennas, Built for Wind and Built to Grow

Heavy-Duty Base · 20 to 41 Feet · 160-6M · No Radials · Made in USA

For hurricane country, coastline, ridgelines, high plains and northern winters: the places where wind is the design problem. The same Greyline signal on every band, 160 through 6, on an oversized heavy-duty base.

Two Reasons People Choose HD

Wind today. Roughly double the rating of the standard pole at the same height, flag flying or lowered.

Height tomorrow. The heavy-duty base is a platform. Add above the feedpoint for more radiator: a 24' HD becomes a Skyline 33 HD with the whip; a 28' HD becomes a 32' HD with a section, then a Skyline 41 HD. Or add below the feedpoint, 4 feet, 8 feet and more: that raises the feedpoint and lifts the image, the other half of a vertical's RF picture, with a longer ladder line to match (the image antenna, explained). As taller add-ons come out of the shop, an HD owner adds them to the base already in the ground. Buy the base once; grow the antenna for years.

The HD Series, by height:

20' HD, DX Flagpole or DX Vertical: about 124 mph, our strongest, sized for strict height limits.

24' HD, DX Flagpole or DX Vertical: about 107 mph, against 70 for the standard 24-foot.

28' HD, DX Flagpole or DX Vertical: about 94 mph, nearly double the standard 28-foot.

Skyline 33 HD and Skyline 37 HD: the 24' and 28' HD with the 9' DX Whip, about 90 and 86 mph.

32' HD and Skyline 41 HD, the tallest Greylines: about 83 and 78 mph.

Pair any of them with the 3" HD Tilt-Up Base: one person walks it down ahead of a big storm and raises it when the weather clears, and every height change happens at waist level.

Wind figures are preliminary engineering estimates with the flag lowered; PE-certified ratings will be published on each product page. Built to order, ships in 1 to 2 weeks, free to the USA and Canada. Questions? Call 435-200-4902.

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