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When you’re building the world’s largest radio telescope, then you need to go and see how other observatories have done the same and learn what lessons you can – which are the good operational practices and what are the mistakes you should try to avoid.
Early in September, we went to visit the Karl G. Jansky Very Large Array, in New Mexico, USA. The JVLA is an iconic radio telescope with its distinctive ‘Y’ shaped configuration and featuring in various film and TV shows, most notably perhaps in the movie Contact.
At the time of our visit, the 25-metre dishes were being moved out to their very widest configuration where the furthest distance between two individual dishes reaches over 22.6 miles. They are moved, individually, by a transporter along the train tracks you can see in many of the images here.