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Amateur Radio Beta
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Andrew

VK3EGR

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

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  • Melbourne VIC, Australia
  • Member for 11 months
  • 19 profile views
  • Last seen 43 mins ago

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Top posts (49) All Questions Answers | Votes Newest

8 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 How can I get rid of RFI coming from my house solar panel inverter? Dec 23 '18
5 Does a loop antenna have less susceptibility to atmospheric noise than an open ended antenna? Apr 10
4 Vertical Yagi spun at 1000 RPM: gain properties? Oct 13
4 Will painting a 4 element 10 m yagi using conductive paint onto the side of a building work? Oct 11
4 Does an antenna tuner remove standing waves from a transmission line? Sep 4
4 Why does an RF Amplifier fail when the SWR is high? Aug 20
3 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
3 What are the advantages for a receiver that uses an IF compared to direct conversion? Sep 6
3 What is the main source of error for SWR meters? Apr 16
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