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Cable locating equipment 1 Watt peak
Any 1 Watt input to final RF
μV/m @ 300 m
A 15.209 (A means the type of detector used to make the measurement….Average peak. Q is Quasi-Peak.
The word “Any” describes the mode of operation..ie AM/FM/CW/FSK etc.
2400/180khz = 13.33 μV/m @ 300m which is 984 feet, 3.02 inches from antenna.
Just a bit lower μV/m for MW @ 30m which is 24000/f μV/m @ 30m. 24000/1670 = 14.37125 μV/m @ 30m which is 98′ 5.10″ (15.209 Q) NOTE: Frequency used is the K-ROCKS AM station on 1670Khz.
15.221-Q (CC) is about the same as well. 47715/1670 = 28.578m for 15 μV/m which is 91′ 10.36″. NOTE: Frequency used is the K-ROCKS AM station on 1670Khz.
Taken from the trusty dusty FCC Part 15 Handbook OET publication #63. Any errors report them to the appropriate formula gurus at the FCC and Texas Instruments (maker of calculator).