Millstone Hill Thomson scatter results for 1969

This report summarizes the results for the electron density distribution, electron and ion temperatures and vertical ionization fluxes in the F-region obtained during 1969 using the Millstone Hill (42.6 degrees N, 71.5 degrees W) Thomson (incoherent) scatter radar system. These data, for the height interval approximately 200 to 900 km, were gathered over 24-hour observing periods, roughly twice per calendar month. The time resolution to obtain results over this entire height interval was either 30 or 45 minutes, depending upon which of two operating modes was employed.