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I find in Reitz, et al, the following result for the amplitude of
the 1/r E field propogating from a sinusoidally driven loop antenna
magnetic dipole like yours:
E(r) = {Io*A*w^2*sin(theta)}/4*Pi*epsilon*c^3*r
Io is the current amplitude; sin(theta) is the directionality factor (try
rotating your loop to see it).
Don't under-estimate the sensitivity of (even simple) radio receivers.
The specifications of my (cheap Radio Shack) stereo claim a sensitivity
of 900 microvolts/meter for the AM tuner.