Andy Durbin wrote: ] Is the level of knowledge in this hobby really so low that people don't understand that RS-232 will support multiple "listeners".
I know that, because I'm an old fart who had to learn stuff like that, how networking works, lots of software, etc. to run my own small consulting biz -- but none of that was even a wet dream when I finished my EE in 1964! And NONE of that was my specialty -- design of sound systems for large public spaces -- until the late '90s when we started doing a lot of control systems and DSP. The technical breadth of ham radio is extremely wide that few hams have detailed knowledge of all of the tools we use. I could make the same "is the level of knowledge so low" about fundamental circuit concepts, transmission lines, antennas, feedback in amplifiers, load lines for power amplifiers, output networks, stubs, resonant circuits, acoustics, speech intelligibility, and so on. 73, Jim K9YC
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