Very long article, but well worth reading - electromagnetism (human, earth, solar), the Ionosphere and HAARP technology. Specifically 1/2 way down is HAARP focus:

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Clearly, the dangers from conventional EM pollution sources and solar system dynamics are substantial on their own. But the potentials from so-called "ionospheric heaters" are truly frightening, for we have no idea what possibilities can emerge from long-term meddling with the delicate balance of the ionosphere and global temperature, which is also linked to a world-wide oceanic pumping system whose source lies off Greenland.

Tesla technology has been applied in a variety of ways, through the HAARP Project, (High Frequency Active Auroral Research Progam), which might have cavalierly been called, "How to Exploit the Ionosphere for Fun and Profit." Yet this is No Joke! There are smaller systems at Arecibo, Puerto Rico; Fairbanks Alaska; Tromso, Norway, Moscow, Nizhny Novgorod and Apatity, Russia; Kharkov, Ukraine and Dushanbe, Tadzhikstan.

HAARP is the largest of the so-called 'ionospheric heaters'. The ionosphere begins approximately 35 miles above the surface and extends out beyond 500 miles. It contains both positively and negatively charged particles known as ions and electrons naturally created as a result of the action of the sun's radiation (solar winds). The ionosphere is capable of strong interaction with radio waves -- distorting them, totally reflecting or absorbing them. Downward propagating waves can couple into the Earth-ionospheric wave guide.

H. L. Roland, expert in beam and plasma physics at the Naval Research Laboratory in Washington D.C. says it is possible to modulate the ambient current flowing in the ionosphere. The auroral electrojet can be manipulated to generate extremely low frequency (ELF) and very low frequency (VLF) radiation. This ionospheric modification technique can provide such waves for probing both the Earth and the ionosphere-magnetosphere. The modification occurs in the lower D-region and can provide information about the ambient conditions in one of the least diagnosed regions of the ionosphere.

HAARP's massive antenna-array (360 72 foot tall antennas, over a thirty-three acre field, acting as one giant array) is managed by the US Air Force and US Navy in Gakona, Alaska (200 miles east of Anchorage). It heats the upper atmosphere with a focused and steerable electromagnetic beam designed to simulate and control ionospheric process. Gigawatts of effective radiated power of high frequency radio energy are pumped into the ionosphere. The transmitter (a particle injection device) can produce a beam anywhere from several miles to several tens of miles in radius, using the 2.5-10 megahertz frequency range, at more than 3 gigawatts of power (3 billion watts) creating plumes of charged particles.

In 1998 input power was raised to 10 gigawatts, transmittable in the the north-south or east-west direction. Reports say in each transmission cycle, HAARP switches from the east-west to the north-south beams and back again, producing a spiraling or "cork-screwing" upward at 0.9Hz.. This is called "circular polarization" of the radio signal. It makes ions in the upper atmosphere move in big circles with a one second lap time.

Optimum lap time is dictated by the plasma density related to the temperature, number of ions and neutral atoms in the ionosphere. This makes the ions, both electrons and protons, into little electromagnets. HAARP also can function as a particle gun. The particles shoot off into space, still spiraling and magnetic, following the earth's magnetic field lines, completing a circuit from pole to pole in one second.

A number of public reasons for this project are given, including ELF communications for submarines, but another host of surveillance and covert military applications are suspected, based on Tesla's original descriptions of the powers of such a massive pulse technology, including mind-control experiments. Detractors have called HAARP a "skybuster" since it effectively slices through the ionosphere like a microwave knife, producing a long tear or incision.

As the Earth rotates, HAARP slices across geomagnetic flux (a donut-shaped spool of magnetic strings like longitude meridians on maps). HAARP may not 'cut' these strings in the magnetic mantle, but does pulse each thread with harsh, disharmonious high frequencies, whose noisy impulses vibrate geomagnetic flux lines, sensing shuddering vibrations throughout the geomagnetic web. We can only conjecture at this point about its effects on the foundations of human electromagnetic function.

Paul Schaefer, electrical engineer, alleges that radiation excites large numbers of tiny unstable particles, high-velocity particles in the atmosphere and Van Allen Belts and can be the villain in weather disruption as Earth discharges the buildup of heat, relieving stress and tectonic strain through earthquakes and volcanic action.

Ionospheric heaters deliberately create instabilities in the plasma layer of the ionosphere to rev up the the energy level of charged particles. This results also in electronic rain from the sky -- electron precipitation from the magnetosphere. It is caused by man-made very low frequency EM waves. The precipitated particles can produce secondary ionization, emit X-rays, and cause significant perturbation in the lower atmosphere, potentially affecting human brainwaves, and even our evolution, if Hainsworth is correct.

Thus, we see that HAARP can be employed for nefarious weather modification, which can also damage the ozone layer and cause earthquakes. An electronic beam can ionize or de-ionize the atmosphere over a given area, including military targets. Thus, the key to geophysical warfare is the identification of environmental instabilities where adding a small amount of energy can release vastly greater amounts of energy. Hopefully

[link to biophysics.50megs.com]