Yes, this is one of my favorite articles discussing the early patents dealing with frequency hopping and spread spectrum. https://www.americanscientist.org/art

Yes, this is one of my favorite articles discussing the early patents dealing with frequency hopping and spread spectrum. https://www.americanscientist.org/article/random-paths-to-frequency-hopping https://www.americanscientist.org/article/random-paths-to-fr...