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Andrew

VK3EGR

I haven't been a radio amateur for over 45 years.

May the Force be with me.

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  • Melbourne VIC, Australia
  • Member for 1 year, 11 months
  • 89 profile views
  • Last seen Sep 13 at 0:10

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15 Why do amateur radio operators call an RF choke a balun? Dec 5 '19
9 How can I get rid of RFI coming from my house solar panel inverter? Dec 23 '18
7 How can the voltage at the center of a resonant half wave dipole be zero if the input impedance is 75 ohms? Oct 26 '18
6 For a resonant 1/2 wave dipole, does the reflections being in phase with the applied signal cause the zero reactance seen in the feedpoint impedance? Dec 18 '19
5 Does a loop antenna have less susceptibility to atmospheric noise than an open ended antenna? Apr 10 '19
4 Does the output of a BFO for a short wave receiver have to be exactly a sine wave? Aug 5
4 Vertical Yagi spun at 1000 RPM: gain properties? Oct 13 '19
4 Identification of valve Feb 24
4 How can the impedance of a half wave dipole at its resonant frequency be purely resistive when the voltage and current are seemingly not in phase? Oct 26 '18
4 Will painting a 4 element 10 m yagi using conductive paint onto the side of a building work? Oct 11 '19
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