Boxes x=5107.78770899442+40 .. 5107.78770899442-40 y=1855.9808920746+28 .. 1855.9808920746-28.

Double-click to re-centre and zoom in.
Use scroll wheel to zoom in and out.
Click 'show boxes' to refresh display.
Use dashboard to see aerial view.
Click on a box icon for more detail.
Map display by Virtual Earth.

Note: lat. and long. are shown in WGS84
coordinates. Signal boxes are shown
on the map with a six figure OS grid
reference but a ten figure reference
is available for many boxes.