Further evidence of Kammler's activities is a telegraph from Kammler to Speer, Himmler and G�ring of 16 April, informing them of the creation of a " message centre " at Munich and the appointment of a chief representative for the construction of the Me 262.
2.
The Department of Defence and the Office of Public Works ( OPW ) drew up secret plans for a larger 20, 000 square foot underground bunker to include operations rooms, message centre, broadcasting studio, kitchens, offices, committee rooms, sleeping accommodation and 100, 000 gallons of uncontaminated drinking water.
3.
The original Day Signs / Naden scoreboard, built in Toronto, was replaced in the mid-1990s by a centre-hung scoreboard with an electronic message centre on each side, which, in return was replaced with the current scoreboard, built in Hamilton by Media Resources and featuring a LED video board on each side.