Telephonics Corporation
R ADAR SYSTEMS D IVISION
vi TM113806 (3/10)
MAXIMUM PERMISSIBLE EXPOSURE LEVEL (MPEL)
In order to avoid the envelope in which the radiation level exceeds the U.S. Government standard
of 10 mw per square centimeter, all personnel should remain beyond the distance indicated in the
illustration below. The distance to the MPEL boundary is calculated upon the basis of the largest
antenna available with the system, rated output power of the transmitter and in the non-rotating or
boresight position of the antenna. With a scanning beam the power density at the MPEL boundary
is reduced.
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