Josef “Jeff” Sipek

2021-01-25

Filed under: — JeffPC @ January 25, 2021 19:36

The Confusing World of USB

Amateur Radio License Map

Topographic maps

VHF/UHF Line of Sight Calculator

Hey What’s That — Line of sight calculator

Radio Mobile Online — RF coverage estimator

Telnet Access to DX Clusters and Reverse Beacon Network

FCC M3 Map of Effective Ground Conductivity in the US for AM Broadcast Stations

The Official U.S. Time

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