FOUR-POSITION HF ANTENNA SWITCH WITH PC CONTROL

摘要

In the ham world, there is probably nothing more boring than an antenna switch, except for maybe a dummy load. It just sits there all day waiting for a command to do something, hoping to connect with the antenna that helps pull in the "big contact." Finding a way to make something boring somewhat less boring is always a challenge. However, starting with a pretty good level of boredom allows a bit of room for taking a look at the details.