Base General Bernardo O'Higgins Riquelme

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Base General Bernardo O'Higgins Riquelme, also Base Libertador General Bernardo O'Higgins Riquelme, or shortly Bernardo O'Higgins, named after Bernardo O'Higgins is the main Chilean base in Antarctica. It is located at 63°19′16″S, 57°54′03″W, 13 m elevation, on the Antarctic Peninsula. It was established on February 18, 1948 and is one of the Antarctic bases with the longest times of continuous operation. The winter population is 16, and the peak population in the Antarctic summer is usually 44, although up to 60 persons can be accommodated. The base is operated by the Chilean Army. The civilian name of the site is Puerto Covadonga, the "capital" of the Chilean sector of Antarctica, which is claimed as a comuna (municipality) of Antártica Chilena Province.

The German Antarctic Receiving Station (GARS) was established at O'Higgins in 1991 by the DLR. It is a satellite ground station sited in Antarctica to enable reception of data from satellite-based sensors within the south polar region that might otherwise be lost. High bandwidth sensors such as SAR generate too much data to be stored onboard the satellite for transmission to ground stations elsewhere. GARS was sited at O'Higgins because of the geology, infrastructure and accessibility of the base.