Changes in Radiofrequency E-Field Strengths Within a Hospital During a 16-Month Period.

摘要

In 1972,personnel in the Environmental Health and Safety Office of the University of California Medical Center,San Francisco,became concerned about electromagnetic interference to medical instrumentation located in Moffitt Hospital. Orthogonal E-Field data from 1kHz to 1GHz were taken at four locations within the hospital. In January 1974, a new transmitting tower,located 3,200feet from the hospital,had most of its antennas activated. A resurvey of the same hospital was taken at that time This report details the procedure used in the surveys to obtain the E-Field strengths from 1kHz to 1GHz and presents the results which were obtained as linear plots in millivolts per meter.