What do we learn on Equatorial Plasma Bubbles from airglow observations over São João do Cariri?

Igo Paulino1, Ricardo Buriti1 and Amauri Fragoso do Medeiros2, (1)Federal University of Campina Grande (UFCG), Campina Grande, Brazil, (2)UFCG Federal University of Campina Grande, Physics, Campina Grande, Brazil