TAG: North Korea

North Korea Developing Precision-Guided Bomb

September 25, 2014By

North Korea is developing a GLONASS precision-guided bomb similar to the GPS-guided joint direct attack munitions (JDAMs) of the United States, reports South Korean newspaper The Chosun Ilbo (Korea Daily).  “We expect that the North will finish development of a new precision-guided bomb in the near future because we’ve detected signs that the North has been conducting tests for a few... read more

Researchers See Ionospheric Signature of North Korean Nuclear Test

February 15, 2013By

The explosion of an underground nuclear device by North Korea this week disturbed the Earth’s ionosphere. The blast generated infrasonic waves that propagated all the way to the upper atmosphere causing small variations in the density of electrons there. By analyzing the signals from GPS satellites collected at ground-based monitoring stations in South Korea and Japan, scientists at the California Institute of... read more

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Massive GPS Jamming Attack by North Korea

May 8, 2012By

Large coordinated cyber attacks from North Korea near its border with South Korea produced electronic jamming signals that affected GPS navigation for passenger aircraft, ships, and in-car navigation for roughly a week in late April and early May. To date, no accidents, casualties, or fatalities have been attributed to jammed navigation signals aboard 337 commercial flights in and out of South... read more

Detecting Nuclear Testing: Software Under Development by OSU Could Pinpoint Treaty Violations

August 1, 2011By
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Can GPS be used to detect underground nuclear explosions? A research team is developing a software program that uses GPS to analyze the ionospheric effect of nuclear explosions. Results would show when and where a country has conducted a secret underground nuclear test. read more