HERA Prescott – Cement. lots of cement

Today progress on the Prescott HERA dish took the form of building the dish hub and rim.  The hub is where all the dish supports (25′ pvc pipes) meet. The hub is made using concentric “sonotube” concrete forms in which are embedded 3″ plastic pipes set in a radial pattern.  Its basically a giant tinker toy hub made of cement. At …

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HERA Prescott

When building any kind of instrument its really important for the people looking at the data to understand all the little things that go into building it and from an experimental perspective its key to be able to experiment with the hardware.  With the primary construction going on in South Africa this is a challenge. Travel to site is key, …

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