[Elecraft] Amplifier

[Edward R Cole]

In the USAmerica ham's now have the *responsibility* of determining 
the safe operating zones for each antenna per FCC regulation.  I 
doubt many ever do the calculation.  Fortunately Australian ham Doug 
MacArthur (sk) VK3UM (a well known eme'r) has written a program which 
you can download for free.  I will simulate the emf fields base on 
your input data like antenna, power, height, band and produces the 
legal exclusion zones where RF exposure is considered dangerous.

http://www.vk3um.com/emr%20calculator.html

Its not hard to use and provides some interesting if not surprising 
info about your station safety.

As I already stated, it is the legal requirement for all US hams to 
have evaluated safe range for humans before operating.

Eg:  half-wave dipole, 1400w, line loss 0.5 dB, 14.2 MHz: exclusion = 
3.06m radially; safe height 2.60m for FCC.  Also provides ARPNSA and 
CEU radiation limits.

73, Ed - KL7uW

Date: Fri, 7 Apr 2017 10:42:32 +0300
From: Vic Rosenthal <k2vco.vic at gmail.com>
To: Elecraft Reflector <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Amplifier
Message-ID: <8953D40C-305A-4A61-871A-7E6ECE3E07BE at gmail.com>
Content-Type: text/plain;       charset=us-ascii

Hmm, I am running 1.2+ kW to a dipole on the roof about 20 feet above 
my K3, which has no RF problems though other devices in my shack do!

Vic 4X6GP


73, Ed - KL7UW
   http://www.kl7uw.com
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