- a deviation of a system, moving object, or process from its regular or normal state of path, caused by an outside influence.
Hello and welcome to my personal Web log. I’m Jeff Davis, a lifelong amateur radio operator and tech enthusiast. KE9V is my ham radio call sign. Licensed since 1977, I’ve sampled most of the facets of hobby radio from spark to space. I’m a life member of the ARRL and am also a member of AMSAT-NA, AMSAT-UK, and TAPR.