On June 13, 1999, a crop formation was discovered at Chilbolton that represented a Sierpenski Sieve, a type of fractal that is used in the construction of Fractal antennas.
The formation appeared close to the Chilbolton Radio Telescope, in the same area that a recent schematic of the 1975 Arecibo transmission and an apparent face have appeared. (See Unknowncountry.com news links below.)
Fractal antennas are a recent innovation that allows much more precise tuning than normal antennas. The Sierpenski Sieve, in particular, is a fractal design used as a monopole over an infinite ground plane.
One-half of a folded dipole antenna can be operated above a ground plane so as to function as a folded monopole type of antenna. Such an antenna has an input impedance of about 150 ohms.
Speculation: If what has been happening at Chilbolton over the last three years represents a communication, perhaps the key to it is this: a monopole antenna based on the Sierpenski Sieve would be a transmission device. It is possible, using the schematic of the crop formation that appeared in 1999, to extrapolate the type of transmission such an antenna would produce, and from that possibly to determine the exact band and frequency.
Presumably the radio telescope a few hundred yards away, or another like it, could be tuned to received such a signal. And now, with the formations that have just appeared, we know that the signal would be coming from the direction of Globular Cluster M13, which is the direction in whigainhe 1975 Arecibo transmission was sent.
NOTE: This news story, previously published on our old site, will have any links removed.