How Engineers Very Carefully Inspect Large Radio Antenna Dishes

How Engineers Very Carefully Inspect Large Radio Antenna Dishes

Image Cache: I have only one piece of advice: Watch out for the spikes before sitting down when you are about to inspect radio telescope antenna. Browse through the cool photos, animations and diagrams in Gizmodo's Image Cache here.

What you see in the photo above is the dish of one of the Atacama Large Millimeter/submillimeter Array (ALMA) antennas in the Atacama desert of northern Chile. Two engineers from the ALMA Operations Support Facility inspect the dish from the inside sitting and standing on the reflector surface. Every antenna is calibrated and tested at the Operations Support Facility, located at an altitude of 2900m, before being moved to the 5100m-high Array Operations Site.

Image: M. Alexander/ESO


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