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KDFC showing up in Los Angeles Nielsens?

ercjncpr said:
I have a question- why would KDFC San Francisco show up in the LA ratings book this month?
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Someone or several someone's from LA spent a few days in San Francisco. Or someone in LA streamed KDFC and if the stream and the FM in the Bay Area are a full simulcast, then KDFC gets credit in the LA book.
 
KDFC is the non-commercial classical music station of the University of Southern California (USC) in Los Angeles. Actually it's a simulcast of 4 stations in San Francisco, the North Bay, the South Bay and the Monterey Peninsula. USC also has its own local classical station(s) down there, with its own separate programming (except overnights, where they all run a common "California Classical Overnights" program).

As David wrote, the most probable reason is someone with a PPM came up north for a few days and tuned in one of the KDFC's, or one of their Southland presets landed on one of the KDFCs and they just stuck with it for awhile.
 
Roughly… how many PPMs are out there in circulation during a ratings cycle? Presumably this number varies depending on the market size?
 
DrJerry said:
Roughly… how many PPMs are out there in circulation during a ratings cycle? Presumably this number varies depending on the market size?
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LA is around 4,200 in-tab units. Smallest PPM markets are around 1,000.

Panelists are enlisted for a 2-year period by household/dwelling unit. If there is not compliance by any member of the household, the whole group is deleted. Average monthly turnover at that rate would be just over 4%, but attrition rises it to 8% or higher around the holiday period.
 
DavidEduardo said:
LA is around 4,200 in-tab units. Smallest PPM markets are around 1,000.
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And just because a meter is "in-tab," or used in the sample, that does not mean it picks up any listening to radio. A meter-bearer only needs to be active to be compliant. So there will be a portion of the sample that may listen only to un-encoded audio (eg. Satellite, DSPs, YouTube) and never even turn on a radio, but they remain on the panel.
 
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