Estonia’s Foreign Minister Margus Tsahkna laid the blame for the jamming of GPS signals over the Baltic squarely with Russia on Thursday, following weeks of interference that has disrupted air travel in the region. Estonia has been seeing an increase in targeted disruptions to GPS satellite navigation recently. The authorities of the Baltic Sea state say the GPS signal interference is being transmitted from Russian’s territory, and the problem has worsened since Russia’s invasion of Ukraine in February 2022. “We know that Russia has been jamming the GPS signal since the beginning of its attack…