OK, not _directly_ related to ADS-B, but of interest nonetheless…
http://money.cnn.com/2016/12/02/technology/kremlin-gps-signals/index.html?iid=ob_homepage_tech_pool
World's largest source of unfiltered flight data
World's largest source of unfiltered flight data
OK, not _directly_ related to ADS-B, but of interest nonetheless…
http://money.cnn.com/2016/12/02/technology/kremlin-gps-signals/index.html?iid=ob_homepage_tech_pool
Americans spoofing GLONASS near the Pentagon? And what’s strange?
Not surprising actually. The earliest GPS signals were jittered to the public world wide when first available and only the true decoded signals were available to the military for years in the USA and other countries.