Sunday, 2 September 2012

Special lid

In order to service the HBA tiles, it is necessary to be able to reach into them. Normally, LOFAR stations are built directly on the ground. This means you can open up a tile, step into it and then work on the parts.

For KAIRA, this is not an option. The reason is that there is insufficient support under each tile to allow a person to stand inside it.

As a result, we need to use a special tile lid that we can place on an open cell. From there, we can get in sufficiently close to the parts to work on them, without actually needing to step into the tile itself. Just for the record, here are some photographs of the special tile lid.

Top view. (Photo: A. Jutila)

And the underside. (Photo: A. Jutila)

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