When they suspected someone of cheating, they would park their van
outside his house and measure field strength. Then they would go inside
and measure plate voltage and current (I presume with their own
instruments). So if the guy reduced power they could compute how much he
was running beforehand by the difference in field strength.
As to how they knew whom to check, I believe that they got tips from
other hams. As I recall, many of these spot checks were during contests.
I remember one guy busted for running 5 kW.
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
On 4 May 2015 19:11, Al Kozakiewicz wrote:
Given that the rule at the time was based on input power to the final
stage, it begs the question of how could they possibly know without
being in your shack? Granted, enforcement then was a far cry from
now with station audits not unusual.
Today it's hard enough to get the FCC to enforce rules against
deliberate interference.
Al AB2ZY
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