On Friday 13-Jul-2012, we finished installing all the summators in the high-band antenna tiles. This task has taken a long time, but we'...

Here is the final photograph from the HBA summator installation. In the end we installed 48 Y-polarisation units and 42 X-polarisation units...

Despite it being June, the weather wasn't always kind. High winds made life difficult for the installation work. However, the temperatur...

This panorama was taken from the top of the RF-container during the HBA summator installation week. Note the open tiles with the team busily...

Just a nice photograph today. Again, this is one taken by our summer student, Joona.It shows the edge of the HBA tiles with Saana in the bac...

It may look comfortable, but installing the summators was seemingly neck-breaking work. To reach into the tile, you have to lie on your stom...

To install the summators, the HBA tiles must be opened up. The team peel back a cover and remove one of the cell lids. (Photo credit: Jo...

The HBA (High-Band Antenna) summators are units that reside inside the HBA tiles. They act as analogue beamformers, providing an initial lev...

Last week a couple of engineers from ASTRON arrived to install the HBA summators at KAIRA. The next few posts will be from that visit. Me...

Almost first light! On November 11th 2011 we installed the first two summators into the HBA panels with the idea that these can be used to t...