New posts in Radio Frequency

What's the physics behind XKCD #2027 (time between lightning flash and radio wave burst)?

What is the scientific explanation for radio waves bending around the Earth?

Why doesn't the ${\rm H}_2$ molecule have a permanent dipole while the neutral ${\rm H}\,{\rm\small I}$ has one?

Why do I need to adjust TV antenna on the roof for better video quality?

How can wifi penetrate through walls when visible light can't?

How to imagine WiFi signal propagation?

How do you make a spherical radio wave?

Why is bandwidth, range of frequencies, important when sending wave signals, such as in radio?

Is there a way to tell what frequency an unmarked antenna is designed for?

How do we know that these radio bursts are from billions of light-years away?