The assumption has always been that the driver and passengers are riding
inside a Faraday Cage and therefore are safe from RF radiated by an HF
antenna, regardless of where located and regardless of power level. The
truth of that assumption, coupled with how much shielding a vehicle
actually presents, is worth considering. Until the RF Exposure business
came along, no one considered safety for those outside the car.
Less and less body-metal, roofs made entirely of glass, more electronics
both on and inside human bodies (over and above the vehicle's
electronics), the close proximity of the antenna . . . all of which, in
my opinion, argue for a re-think of high-power mobile operation.
In the 1970s I greatly enjoyed mobile CW with an FT-101E until my first
child started occupying the rear seat. After she came along, I opted
for no further mobile work of any kind, at least when she and her
siblings were in the car. I'm not a geneticist, but neither am I
willing to push my luck with the gazillion of cell-divisions going on
every second in a child's growing body.
Excellent question to ask, Lynn.
73,
Kent K9ZTV
On 4/14/2017 2:39 PM, Lynn W. Taylor, WB6UUT wrote:
A few days ago we talked about the RF exposure rules related to
Amateur Radio, and how we all had to sign that we complied with those
rules when we renew our tickets.
I wonder if the exposure to passing cars is below the limit with a
Hustler or similar antenna on the rear bumper?
Are we good at 100w, 1000w?
Should I have not asked this question?
73 -- Lynn
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