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PRELIMINARY REPORT ON MAGNETIC FIELD MEASUREMENTS RECORDED AT SATUS FIRE LOOKOUT - JULY 11, 2001

A twelve-hour magnetometer recording made at the Satus Fire Lookout on the Yakama Indian Reservation in central Washington, USA, revealed many, 30 mS to 15 S wide magnetic pulses of unknown origin. The characteristics of the pulses suggest that they are of mechanical origin, because of their highly patterned symmetry and amplitude characteristics. The nature of the data and history of the study area further suggest that the pulses may be related to electromagnetic disturbances seen in connection with the appearance of various Anomalous Luminous Phenomena (ALP). The data show similarities to electromagnetic measurements made by ALP researchers in other geographical locations. Since no ALP observations were made during the recording period, there is still the possibility that the source of the pulses may be the result of unknown human activities. This preliminary report discusses the data recorded and presents the results of initial analysis of the data set.