The John Walsh Articles
Atmospheric Attenuation
Impedance Of Free Space (Part 1)
Impedance Of Free Space (Part 2)
Impedance Of Free Space (Part 3)
Impedance Of Free Space (Part 4)
Useful Filter For MF Listeners
The Dimmer Switch
Extreme Radiation
Ionospheric Refraction
Resistance Of The Water Main
Wooden Construction
SAQ
Thoughts On The Moon
Christmas Tree Lights
Thoughts On The Mangentic Field In A Toroid