Nazi occ. Norway radio stations

The transcript describes the efforts of Norwegian resistance members during WWII. They set up shortwave radio transmitters to communicate with the Norwegian government in London and report Nazi warship movements to the British. Despite the risk of being caught and executed, they successfully gathered and transmitted crucial intelligence, including the sighting of the Nazi battleship Bismarck off Bergen.

Who sent the first message to the British regarding the Bismarck?

What was the significance of the sighting of the Nazi battleship Bismarck?