In parallel to the work on the tiles, it is also necessary to set up the computing and networks. This was done by Klaas Stuurwold from ASTRON. Klaas spent the entire time working in this spot behind the equipment racks. Here's a photograph of him in action.
Now, where have we seen this before, Klaas? Or does every LOFAR station come with a "Klaas Module" installed at the back of the RF-container? :-)