Central Idaho Amateur
Radio Club
     
CIARC - Resources - Web Pages
Resources - Web Pages

The following web pages may be useful to Amateur Radio Operators:

Useful Tables

MAXIMUM PERMISSIBLE EXPOSURE (MPE) LIMITS
CONTROLLED EXPOSURE (6-MINUTE AVERAGE) CONTROLLED EXPOSURE (30-MINUTE AVERAGE)
Frequency
Range
(MHz)
Electric
Field
Strength
(V/m)
Magnetic
Field
Strength
(A/m)
Power
Density
(mW/cm2
Electric
Field
Strength
(V/m)
Magnetic
Field
Strength
(A/m)
Power
Density
(mW/cm2
0.3-3.0 614 1.63 (100)*      
3.0-30 1842/f 4.89/f (900/f2)*      
0.3-1.34       614 1.63 (100)*
1.34-30       824/f 2.19/f (180/f2)*
30-300 61.4 0.163 1.0 27.5 0.073 0.2
300-1500 -- -- f/300 -- -- f/1500
1,500-100,000 -- -- 5 -- -- 1.0
f = frequency in MHz
* = Plane-wave equivalent power (This means the equivalent far-field strength that would have the E-field or H-field component calculated or measured. It does not apply well in the near field of the antenna).
-- = Not specified.