The humble half wave dipole antenna

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Many amateurs think that the half wave dipole antenna has a 50 ohm feed point impedance! From Wikipedia “A true half-wave dipole is one half of the wavelength λ in length, where λ=c/f in free space. Such a dipole has … Continued

What is so special about 50 ohms?

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Have you ever wondered why most of our Amateur Radio equipment is designed for 50 Ohm transmission lines? The following graph was originally produced by two researchers, Lloyd Espenscheid and Herman Affel, working for Bell Labs in 1929. The graph … Continued

Seanet 2017

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Richie VK8RR receiving the plaque for Australia attending Seanet 2016.Seanet 2017 will be held in Siem Reap Cambodia..www.seanet2017.com or email Paula at paulachappel@seanet2017.com VK8RR