Re: [IRCA] KMZQ 670 Las Vegas NV

[Glenn Hauser <wghauser@xxxxxxxxx>]

NRC AM Log 2008 says its 30000/600 watts, U4. Looked up at FCC, the plots for the CP, now on the air, show daytime pattern has major lobe at 335 degrees, minor lobe in opposite direxion 155 degrees, pulled-in nulls at 75 and 235 degrees, which are roughly (exactly?) toward Chicago and LA. Nighttime pattern is just the opposite! Major lobe at 155 degrees, minor at 335 degrees, same nulls. How can that work? Two different sites? No, single site NW of Las Vegas. They must figure with 30 kW they can really beam away from the city in the daytime and still cover it plenty well, as well as much of Nevada, while with only 600 watts at night, they need to aim most of it toward the city. They use three towers daytime and four at night to accomplish this (Glenn Hauser, DX LISTENING DIGEST)


      
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