The radio panel has been operating in Switzerland since January 1, 2001.
The core of this system is the Mediawatch, a Swiss high-tech watch. This wristwatch with integral microphone electronically measures the radio consumption of the wearer. Sounds are recorded three times for four seconds per minute and stored in abstract number sequences, fully ensuring data protection. more >>
People aged 15+
Panel size: 26,000 people
Number of people: 1,012 people per day
Jürg Birrer
+41 (0)41 632 90 55
juerg.birrer@gfk.com