Group Velocity and Velocity Factor

February 12th 08, 02:08 PM posted to sci.physics.electromag,rec.radio.amateur.antenna,sci.electronics.design

amdx

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First recorded activity by RadioBanter: Jul 2006

Posts: 349

Group Velocity and Velocity Factor

Can someone explain how these two relate in a waveguide.
My limited understanding is, group velocity is slow near cutoff and
increases as frequency increases to almost c.
I don't know the difference between group velocity and phase velocity.
Thanks, Mike

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