Dimitris,
Thank you for another nice experiment and website. I enjoy the
entertainment and am once again appeased to see that i'm not the only
crazy man with similar hobbies :-)
I guess that the radiation resistance of that wire is much higher, due
to the lower wavelength. And since the ground conductivity is rather
poor ( another guess), a dipole on the ground seems to work better than
a lossy loop into the ground...
What about a real dipole on the ground? Your wire has the necessary
length and you are more flexible because you don't need a ground. You
could even try two dipoles in a vertical arrangement and try to get some
infos about tthe radiation pattern of the antenna. I guess that a dipole
(center feed) works better than a half wave wire (end feed) with a
ground rod.
Vy 73, Stefan/DK7FC
Am 23.01.2013 05:42, schrieb Dimitrios Tsifakis:
Hello group,
here is a quick test I did on 475 kHz, using some wires laying on the
ground. I was really impressed by the signal strength but capturing
the signal from my AA-30 antenna analyser surely takes the cake :-)
http://people.physics.anu.edu.au/~dxt103/136/earth/6/
Happy to hear your comments on this test.
73, Dimitris VK1SV
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