Arbitron has begun beta-testing its new PPM360 technology. While the audience research company didn’t say which PPM markets have the new meters, spokeswoman Beth Webb said on its monthly client this ...

New York – Oct 9, 2006 – Buckley Radio, a Top 50 radio broadcasting company that owns 20 stations and the WOR Radio Network, will begin using the Portable People Meter (PPM) for audience measurement ...

Six of Arbitron’s group clients – including the biggest of all, Clear Channel – have told Arbitron what they think the company needs to be doing to improve their confidence in using Portable People ...