These data are the intellectual property of the EISCAT
Scientific Association. They may be freely used for the
purpose of illustration for teaching and for non-commercial
scientific research, provided that the source is acknowledged
and to the extent justified by the non-commercial purpose
to be achieved. Substantial use of these data should be discussed
at an early stage with knowledgeable scientists within the
EISCAT Scientific Association (EISCAT's Headquarters,
enquires@eiscat.se, can provide advice on suitable contacts)
in order to clarify matters of use, calibration and potential
co-authorship. Any further distribution of these data, including
installation in any database, must be accompanied by this
statement and subject to the same conditions of use.