Incoherent scatter spectra from 17 August with a little less than 8.5 minutes of integration. Blue lines show the data and red lines the fitted spectra for six consecutive times at four F-region altitudes.

AMISR project featured in Danish engineering journal Ingeniørens. VIEW ARTICLE >

With the addition of eight panels purchased by HAARP, 16 panels will soon be operational. Initial experiments will look for PMSEs.

Issues with the supplier of the solid-state power amplifiers have not been satisfactorily resolved. NSF relaxes production schedule in order to deploy existing 32 panels in Poker Flat, Alaska, and to address manufacturing issues. This quarter of the face is expected to be under test at Poker Flat by end of September.

Four seconds of heater-induced plasma line measurements. The HF heater was turned on at 1 sec time on the x-axis with a heating frequency of 5.35 MHz. This plot shows the plasma line overshoot effect on both the decay mode and at least six cascade mode lines.