Ein paar Infos zu dem Haarp in Norwegen:
Die können dort die Ionossphäre mit Elektromagnetischen Wellen
aufheizen und Plasmaexperimente machen, das ganze kann
man sogar rotieren lassen.
EISCAT's ionospheric Heating facility including Dynasonde
The Heating facility is situated next to the UHF and VHF incoherent scatter radars. See the list of publications that have come out of this facility since its construction in 1979.
The Heater is used for ionospheric modification experiments applying high-power transmissions of high-frequency electro-magnetic waves to study plasma parameters in the ionosphere. The name Heating stems from the fact that these high power electromagnetic waves, which are transmitted into the ionosphre with high-gain atennas, heat the electrons and thus modify the plasma state. To create plasma turbulence, the transmitted frequencies have to be close to the plasma resonances, which are 4 to 8 MHz.
Tuning to a new frequency is done by a PC and can take a few minutes. Tilting of the beam in the north-south plane up to about ± 30 ° is possible. Power can be chosen in 2.5% steps of the maximum tuned power, which itself can be less than the maximum possible. Complicated amplitude modulation formats are possible under computer or other sources of control. For example a so-called "SOUSY-switch" is used for ON/OFF modulation by about 70dB. Modulati on frequencies in the range 15-200 Hz with duty cycles near 50% can not be used due to power supply resonance problems. The radiated wave can be linearly or circularly polarized with either sense of rotation. Polarization reversal can be achieved on a pulse to pulse basis. Accurate timing to within microseconds is possible. Frequency stability is as good as the EISCAT cesium beam reference.
http://www.eiscat.se:8080/heating/Oder es war das LHC in Cern die hatten heute Nacht auch Experimente am laufen...