Hedy Lamarr and frequency hopping technology Hedy Lamarr was a Hollywood actress in the 1940s as well as an inventor who holds the patent for frequency hopping, which is used in wireless communications today like WiFi. SparkFun
Who benefits by removing AM from cars? Car manufacturers claim they cannot suppress noise getting into the AM signals in their electric vehicles. This article presents the viewpoint of three people who beg to disagree. Radio World
HamAlert: Receive Spots via SMS, push notification A system that allows you to get notifications when a desired station appears on the DX cluster, the Reverse Beacon Network, SOTAwatch, POTA, or PSK Reporter. HamAlert
