of the ionospheric layers was studied through surveys carried out every 15 minutes. Cosmic radiation was measured by riometer and radiosondes. Upon closure of Belgrano I, the LABEL laboratory was moved to Belgrano II along with all its equipment and instruments. See also Argentine Antarctica List of Antarctic research stations List of Antarctic field camps References External links Fundaciòn Marambio – Base Belgrano I Dirección Nacional del Antártico Belgrano I Populated places established in 1955 Filchner-Ronne Ice Shelf 1955 establishments in Argentina 1955 establishments in Antarctica 1980 disestablishments in Antarctica