Who is actually obstructing airplanes’ family doctor in the Baltic?

.ON APRIL 29TH Finnair, Finland’s national airline company, stated that it will suspend trips to the asian Estonian city of Tartu for a month. Recently pair of airplanes were required to shift after their general practitioner indicators were actually disrupted. GPS jamming has raised dramatically in the Baltic location over recent 2 years.

Who lags it and also exactly how harmful could it be actually?