El presente art\u00edculo analiza c\u00f3mo los conflictos actuales est\u00e1n poniendo en riesgo los sistemas de navegaci\u00f3n por sat\u00e9lite (GNSS), mediante t\u00e9cnicas de interferencia (jamming) y suplantaci\u00f3n de identidad (spoofing). Tradicionalmente costosas, estas tecnolog\u00edas se han vuelto accesibles y se emplean en zonas de conflicto (como Ucrania o el Estrecho de Ormuz) para desviar drones, barcos y misiles, lo que afecta colateralmente a la aviaci\u00f3n comercial y al transporte mar\u00edtimo civil. Ante esta vulnerabilidad, los gobiernos buscan opciones tecnol\u00f3gicas para desarrollar sistemas de respaldo que no dependan tanto de la infraestructura espacial, recurriendo a la navegaci\u00f3n por mapas magn\u00e9ticos de la Tierra, relojes at\u00f3micos avanzados y sistemas inerciales de alta precisi\u00f3n. La comunidad internacional advierte que proteger la red de soporte a la navegaci\u00f3n es una prioridad cr\u00edtica para la seguridad nacional y la estabilidad de las infraestructuras globales.<\/p>\n
Few people want to get lost when traveling. But if there are places where being lost feels especially unsettling, they tend to be the sea, desert and sky. These environments share a defining feature: the absence of distinctive visual cues. Where horizons blur, landmarks disappear and every direction can look deceptively similar. Knowing where you are depends on information that you cannot see for yourself.<\/p>\n
For\u00a0most of human history<\/a>, finding your way in such environments\u00a0required skill, judgment and constant attention<\/a>. Satellite navigation marked a fundamental shift. The advent of\u00a0GPS<\/a>\u00a0has made navigation almost effortless: Press a button and voil\u00e0, location and heading appear instantly.<\/p>\n GPS\u2019s great strength is that under benign conditions, it works remarkably well in precisely the environments where being lost would be most dangerous. Civilian systems routinely achieve meter\u2011level accuracy. This accuracy, however, masks a growing vulnerability.<\/p>\n Over the past few years, deliberate GPS interference has surged worldwide, disrupting\u00a0maritime<\/a>\u00a0and\u00a0aviation<\/a>\u00a0operations at an unprecedented scale. I\u2019m\u00a0an electrical engineer<\/a>\u00a0who\u00a0studies alternative methods<\/a>\u00a0of electronic navigation.\u00a0My lab<\/a>\u00a0and others around the world are developing these alternatives as backup for when GPS is unavailable or unreliable.<\/p>\n When GPS is silent \u2013 or lies<\/strong><\/p>\n Jamming overwhelms weak satellite signals with noise or radio frequency signals, blocking GPS position and time altogether.<\/p>\n Spoofing is more insidious: Counterfeit signals surreptitiously replace authentic ones, misleading GPS receivers about location and timing while appearing to crews and automated systems to operate normally.<\/p>\n Interference arises from three sources: military activity, criminal exploitation and accidental misuse. In conflict zones, GPS disruption has become a routine tool of warfare, used to protect assets, degrade surveillance and counter drones. This activity is well documented across Ukraine, the Black Sea, the Baltic Sea, the eastern Mediterranean and the Persian Gulf. It routinely spills over to affect civilian\u00a0ships<\/a>\u00a0and\u00a0aircraft<\/a>, and\u00a0civilian life<\/a>.<\/p>\n Accidental GPS jamming has caused serious disruption at\u00a0international airports<\/a>\u00a0by making it difficult for aircraft and air traffic controllers to track traffic in and out of the airports. Intentional GPS spoofing was even used in a highway heist to steal\u00a0US$1 million worth of restaurateur Guy Fieri\u2019s tequila<\/a>.
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