Cecil Moore wrote:

There is some confusion between DC circuits and
distributed RF networks.

No comment.

In a DC circuit, the
current is the same throughout the circuit.

That's true only for a simple series circuit. And it's true for RF
as well.

In
a distributed RF network, the current is usually
*NOT* the same throughout the network.

The same is true for a DC network.

One can
put one amp of current into a buried radial and
measure zero amps from some point outward.

In particular, when dealing with RF EM waves, the
H-field to which the current is proportional in
a transmission line is attenuated by the same
attenuation factor as is the E-field to which
the voltage is proportional. Please reference
the transmission line equations to verify that
fact.

Such is easy to see. If one has a flat Z0=50 ohm
transmission line with 100 watts in and 50 watts
out, there is 1.414 amps in and 1.0 amp out because
the ratio of voltage to current is fixed at 50 ohms.
The traveling-wave current in an EM wave in a
transmission line (or in a radial in lossy earth)
is attenuated exactly as much as the voltage.

Note: according to Ohms law, current scales directly with voltage and
inversely with resistance.

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