Smart Meters - Public Service Commission

Tables in this report show either distance to an FCC safety limit (in inches)
or they show the predicted (calculated) RF level at various distances in
microwatts per centimeter squared (uW/cm2).
Both depictions are useful to document and understand RF levels produced
by smart meters (or multiple smart meters) and by collector meters (or
collections of one collector and multiple smart meters).
Large differences in the results of computer modeling occur in this report by
bracketing the uncertainties (running a sufficient number of computer
scenarios) to account for variability introduced by possible duty cycles and
possible reflection factors.
FCC equations from FCC OET 65 provide for calculations that incorporate
60% or 100% reflection factors. Studies cited in this report document higher
possible reflections (in highly reflective environments) and support the
inclusion of higher reflection factors of 1000% and 2000% based on
Vermeeren et al, 2010, Hondou et al, 2006 and Hondou, 2002. Tables in the
report provide the range of results predicted by computer modeling for duty
cycles from 1% to 100%, and reflection factors of 60%, 100%, 1000%, and
2000% for comparison purposes. FCC violations of time-weighted average
calculations and peak power limit calculations come directly from FCC OET
65 and from ANSI/IEEE c95.1-1992, 1999. Duty cycle (or how frequently
the meters will produce RF transmissions leading to elevated RF exposures)
is uncertain, so the full range of possible duty cycles are included, based on
best available information at this date.