"8. The BBC will start using a special system
RATS stands for 'radio alert transmission system' - it's something most staff at the BBC have only ever apparently seen in tests.
It started life in the 1930s and was designed to withstand an attack on the country.
Never usually used, nothing else will be trusted to spread the word about the Queen's death."
Was referring to this from the article:
"8. The BBC will start using a special system RATS stands for 'radio alert transmission system' - it's something most staff at the BBC have only ever apparently seen in tests.
It started life in the 1930s and was designed to withstand an attack on the country.
Never usually used, nothing else will be trusted to spread the word about the Queen's death."