Note that the linked PFA document does point out that transponder replies are
very
brief and occasional -- low average power, but no detailed studies done.
There is an RF exposure calculator on ARRLs web site which suggests, if one
makes
some plausible assumptions and fiddles with it, that a cell phone is more
hazardous, and little evidence of a problem there so far. Many of us yak on
cells
(continuous xmission) in a year longer than we might spend flying in a year
(occasional bursts of a like a millisecond each but at higher power). Distance
---From the body (a square in the formula) matters greatly re RF power.
Fred F.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=82220#82220
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