
I
ndividuals can interact with each other
instantaneously, all over the world, via
the internet. In this era of instant global
communication, you might assume that
amateur-radio has become irrelevant, but this
is not the case. The field endures; in fact, its
signals are all around you.
The little transmitter circuits described earlier
in this book are severely limited in power, to
comply with government regulations. ...