01 / The world before
Navigation once relied heavily on local landmarks and dedicated instruments.
02 / The discovery
Satellite timing and radio signals enable precise positioning.
03 / The people
Scientists, satellite engineers, clock makers and operators.
04 / The obstacles
Signals depend on complex maintenance and can be disrupted.
05 / The world after
Navigation became available to many civilian services.
06 / Why it still matters
Maps, transport and emergency response use satellite positioning.