If any antenna (short or otherwise) radiates all the power that is fed to
it, how come there can be a standing
wave on the antenna when the non-radiated energy reflects from the open end?

On 9/16/2015 9:17 AM, gareth wrote:
If any antenna (short or otherwise) radiates all the power that is fed to
it, how come there can be a standing
wave on the antenna when the non-radiated energy reflects from the open end?

Just as the incident wave radiates, the reflected wave radiates. Where
is the contradiction?

--

Rick

"rickman" wrote in message
...
On 9/16/2015 9:17 AM, gareth wrote:
If any antenna (short or otherwise) radiates all the power that is fed to
it, how come there can be a standing
wave on the antenna when the non-radiated energy reflects from the open
end?

Just as the incident wave radiates, the reflected wave radiates. Where is
the contradiction?

Taking the case of the Marconi 1/4 wave vertical, that standing wave exists
all the way back to the feedpoint, showing that even the reflected wave had
not been
fully radiated.

So, what happens to the remains of that reflected wave when it arrives at
the feedpoint,
a point which others have argued has an impedance match, a match that is
reciprocal, so
why does not that reflected wave go back down the feeder creating a VSWR?