[Lowfer] Oh, CRAP! - calculations

[Ed Phillips]

Andy - KU4XR wrote:

From: KD7JYK DM09 <kd7jyk at earthlink.net>

>>Check THIS out:
>>
>>New Radio Frequency Found
>>
>>This is pretty cool for those of you who might like a
>>higher frequency sideband channel to talk on, maybe use 
>>sometimes as a AM broadcast channel.
>>
>>
>>"(a) The field strength of any emissions within the
>>band 13.553-13.567 MHz shall not exceed 15,848 microvolts/meter 
>>at 30 meters."
>>    
>>
>
>15,858uV converts to 15.858mV which roughly equals 23.8dBm.
>
>23.8dBm roughly equals 240mW or .24 Watts into a 50 ohm load,
>
>and measured at a distance of approximately 50 feet from the
>
>transmitting antenna.
>
>73, Andy - KU4XR
>
Something wrong here. 15.858 mV/meter is equivalent to 0.667 uW/meter^2. 
At 30 meters that is equivalent to ~7.5 mW effective radiated power, the 
number frequently quote on the hifer list.

Ed