Friday, 1 August 2014

ISR School: Talking about Walking...

If you have been part of the recent Joint US-EISCAT Incoherent Scatter Radar School, which just finished at Arecibo Observatory, Puerto Rico, then you probably know what this is. The large 305-m reflector of the Arecibo antenna is made of panels of aluminium mesh, and it is adjusted by lasers and hundreds of wires in order to get its precise spherical shape. Sometimes it is necessary to get into the reflector, and then one has to wear shoes like this in order to distribute weight and minimise impact walking around in the antenna. You think we're pulling your leg? Have a look at the next photos, which includes the information sign and a bit of large dish in the background...


Photos: Thomas Ulich.

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