Yeah, it is funny. or can be -- if you are not the guy being strip-searched
because my rig set off a metal detector!
I tell people I'm a Radio Interference Engineer. I can cure it - or cause
it.
In the US, the FCC limits permissible RF field strength only to protect
public health. The field strength limit is not hard to comply with at a
reasonable distance. From 1.34 to 3.0 Mhz, the limit is 824/f volts per
meter, or 615 reducing to about 27.5 volts per meter at 30 MHz. My 40 meter
transmissions are required not to expose the general public to more than 117
volts per meter. And that's averaged over 30 minutes. If I disregard
reflections, I'd need over twice my FCC authorized output power to hit that
limit.
The 100 watts most Amateurs really use produces a sizable field up close,
but usually not anywhere near the FCC's maximum at a reasonable distance.
Cheers,
Cortland - KA5S
(What I write here is mine alone.
My employer does not
Concur, agree or else endorse
These words, their mood, or thought.)
Chris Maxwell wrote:
> Meanwhile...Cortland ("KA5S" which stands for "Kills your Auto for 5
> Seconds") here is running around town with 100Watts of electronic
> ignition stopping transmitter wired to his car.
>
> I mean, I like the job security of being a compliance guy and all... but
> why do we bother?
>
> (Just meant as humor; I hope no offense is taken. However, if you
> think about it, all humor (including this email) needs to have a grain
> of truth to be funny.
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