Crowley_Broadcast_Analysis
Crowley Broadcast Analysis is an official institution of research, which monitors the radios in Brazil since 1997. Currently the company provides data to the Escritório Central de Arrecadação e Distribuição (ECAD) and the Brazilian Association of Record Producers (ABPD) and besides being the standard for the Phonographic Industry in the country.[1] In August 2009, also exclusively provides the charts for Billboard Brasil that is based on grid-base radios with 250 stations surveyed in 10 cities.[2]