Jeff_Davis said:
Can anyone tell me what the 2nd and 3rd adjacent rules are for protection on AM? I know that a new co-channel's 0.025 mv/m can't cross a 0.5 mv/m of an exisitng station and first adjacent 0.5 mv/m can't cross, but what is the rule for 2nd & 3rd?
Thanks!
I think this is what you are looking for (part 73.37)
http://edocket.access.gpo.gov/cfr_2005/octqtr/47cfr73.37.htm
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Contour of
proposed
station Contour of any other
Frequency separation (kHz) (classes station (mV/m)
B, C and
D) (mV/m)
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0.............................. 0.005 0.100 (Class A).
0.025 0.500(Other classes).
0.500 0.025 (All classes).
10............................. 0.250 0.500(All classes).
0.500 0.250 (All classes).
20............................. 5 5 (All classes).
5 5 (All classes).
30............................. 25 25 (All classes).
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