Amazing video from ATT archives freely available on youtube

Laurence Oberman
 

https://m.youtube.com/watch?v=DovunOxlY1k&t=1054s

This is amazing. No computer graphics no simulation. Pure mechanical depiction of SWR and wave behavior using a device invented by the folks at ATT.
This is one of the most ingenious videos I have seen in a long time.

Enjoy

73
KB1HKO

Laurence

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