It's also interesting to read Reuters:
UEFA's director of communications William Gaillard told a news conference: "This is not normal summer weather for central Europe. It was exceptional and there is no forecast of a repeat."
Pictures were lost for two separate six-minute spells and UEFA then decided to manually take the system down, causing another six-minute break, to switch to the back-up power supply.
Swiss TV was able to show continuous pictures as there was a separate fibre-optic feed from the Basel Stadium. Other broadcasters including Germany's ZDF, used the Swiss pictures with their own commentators, slightly off the pace, tagged on.Were broadcasters (such as german ZDF) allowed to use pictures from Swiss tv?
There is also uncertainty whether it was a breach of contract when broadcasters took pictures from Swiss television, which was reported to be unaffected, as a result of the loss.
"I don't know exactly the terms of the contracts, I don't think there is an obligation to take the signal from Vienna because broadcasters have several capacities to manage a signal," Alexandre Fourtoy, chief executive officer of Uefa Media Technologies, said.
One thing is having an obligation to take the signal from a place, another thing is not having an obligation and using other tv's effort without any compensation.