China's state-owned global satellite navigation system, now embedded in over 2 billion devices and challenging US GPS dominance in positioning, timing, and strategic influence.
The EU's global navigation satellite system, built for European autonomy from US GPS, now the world's most accurate civilian GNSS and a pillar of European strategic independence.
詳細ファイル ›GPS jamming blinds navigation receivers while spoofing fakes their position; deployed by Russia, Iran, North Korea, and India, the attacks now threaten global aviation, shipping, and weapons guidance.
Four global satellite constellations compete to position phones, ships, and weapons, while jamming and spoofing have made signal integrity a front-line security question.
欧州の航空交通量の約40%が影響を受け、ロシアのスプーフィング用アンテナは3基から36基に増加、閣僚用ジェット機も妨害された
EUがガリレオ第2世代の打ち上げを開始；中国は北斗を37機に集約し、世界的な採用を狙う