This compact, portable system combines liquid and dry seasoning in a single plug-and-play unit for continuously coating ...

Technical Properties of the Arbitron PPM System Aug 19, 2009 9:00 AM, By Barry Blesser Arbitron’s Portable People Meter (PPM) system is currently replacing its old paper diary system. There are a ...

Arbitron said its Personal People Meter has been upgraded so it can distinguish between in- and out-of-home media exposure. The enhanced system uses radio frequency codes transmitted at low levels by ...