Archive for the 'Antennas' Category

43 Foot Antenna Installation – The Rising

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The raising of the Flat Black 43 Foot Antenna from DX Engineering.

Hexagonal (Hex) Beam Battle

“Put a Hex on you…” Three antenna suppliers are making the Hex Beam antenna an easier choice for your next 20-10 meter beam.

Why don’t hams like vertical dipole antennas?

Tom, ke6ynh, asks… “Why don’t hams like vertical dipole antennas.

5/8 Wave J-Pole vs. 1/2 Wave J-Pole EZNEC Shootout

5/8 Wave J-Poles aren’t better than 1/2 Wave J-Poles

Collinear 5/8 wave J-Pole vs. Collinear 1/2 wave J-Pole EZNEC Shootout

Another 5/8 J-Pole Design arranged as a Collinear… can it justify the complexity?

Relay Control Box for Turnstile Antenna

Presented is a relay controller for operating two orthogonal 75m dipoles to make them operate as a circular polarization turnstile antenna.

NVIS 80m with 160m Full Wave Loop is less than ideal

Big HF loop antennas provide great performance, but they can’t do everything. 160 meter full wave loops won’t work well for NVIS when used at 3.8 MHz.

75 Meter Turnstile Antenna

Can a turnstile antenna work for 75 meters?

Priming Aluminum Antennas

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Painting aluminum successfully requires good preparation and an appropriate Zinc Chromate primer. I painted by 43 Foot Vertical antenna black.

Ham Question: Coax Loss and Remote Tuner for 43 Foot Antenna

A viewer asks about coax losses associated with using the “tuner required” 43 foot vertical antenna.