What technologic advantage did they have in the battle of britain

The most significant new British technology was radar.

Explanation:

Britain's victory in the Battle of Britain demonstrated the courage and resilience of the country's military and its people and allowed them to remain free from Nazi occupation. It also enabled the Americans to establish a base of operations in England to invade Normandy on D-Day in 1944.

The British developed an air defence network that would give them a critical advantage in the Battle of Britain.

The Dowding System – named for Fighter Command's Commander-in-Chief Sir Hugh Dowding – brought together technology such as radar, ground defences and fighter aircraft into a unified system of defence.

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