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Do some stations not have PPM readers?
- Thread starter Radio3787
- Start date
Radio3787 said:
What do you mean by a "PPM Reader?" Stations have an encoder, which inserts an inaudible code in each specific station, stream and HD service. The PPM panelist (the people in the population who carry meters) has a PPM "decoder" which registers the time and station of everything heard during each day.
KLNV is encoded.
Stations price advertising mostly based on the size of the average audience. Other factors may be the ages of listeners (18-49 or 25-54 are best, 55+ or under 18 the worst) and the compatibility of a station format with the lifestyle of listeners (the hip hop club will probably not advertise on the country station).
Yes, Univision was in a dispute with Arbitron some months ago and its stations were not encoding. Univision and Arbitron settled their dispute and all Univision stations are now encoding. (I believe Univision was upset that when People Meters were introduced in a number of markets, stations serving Hispanic and Black listeners noticably dropped, leading Univision to think PPM methodology was faulty.)
I'm impressed with the near universal encoding of signals, even among small stations that don't subscribe to Arbitron, as well as non-commercial stations that don't rely on ratings. Even many Mexican stations are encoding as you can see at the bottom of the San Diego ratings. Some Tijuana stations that have limited signals and really don't market themselves on the U.S. side of the border still appear to encode their signals.
Gregg
[email protected]
I'm impressed with the near universal encoding of signals, even among small stations that don't subscribe to Arbitron, as well as non-commercial stations that don't rely on ratings. Even many Mexican stations are encoding as you can see at the bottom of the San Diego ratings. Some Tijuana stations that have limited signals and really don't market themselves on the U.S. side of the border still appear to encode their signals.
Gregg
[email protected]
Gregg said:
While Univision did not encode when some markets launched PPM, they continued to encode in the markets like NY, LA, Chi, SF, SJ, Dallas and Houston where the PPM had started prior to the sample objections being raised.
The significant Hispanic and Black broadcasters protested the sampling techniques of the PPM. Arbitron, to their considerable credit, has introduced more closely proportional sampling of cell phone only households, and has adopted address based recruiting broadly following the protests and meetings. Arbitron has also introduced GeoZones, a way to get more proportional geographic samples.
Still, most of the PPM markets are not accredited by the MRC, and that was precisely the issue. Progress is being made, but keep in mind Arbitron had not done panel based surveys before the PPM and the management of panels is complex. But steps have been taken to get closer to the well done Houston model, developed together with Nielsen, which is all address based recruited.
By contrast, the diary book is accredited in all diary markets but one (where there is no accurate phone database) and there are nearly 250 diary markets vs. 48 PPM markets. That shows the complexity of getting an accurate representative sample for PPM.
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