On Jan 22, 8:46*pm, "christofire" wrote:
*Drawing power from a radio wave in order to
operate a radio receiver can be done using either an antenna sensitive to
the local E field strength, such as a whip or many types of wire antennas,
or using an antenna sensitive to the local H field strength, such as a
loop - i.e. a magnetic antenna. *It may be argued that either would have
some effect on the other field, but this may not be very important in
practice.


Well, that's my whole point. If the station you are listening to
is 150 miles away, I don't see how the local fields will really
come into play.