Daily report

Tuesday, 21 July 2026

On this day we detected 17 new GNSS interference incidents, 0% more than the 30-day average of 17.0. The most affected areas were Eastern Mediterranean (6), Baltic Sea (5) and Black Sea (3). The longest incident lasted 14 h over Gdańsk, and up to 11 aircraft were affected at once by a single incident.

17
new incidents
▼ 0% vs 30-day avg
20
incidents active during the day
2 days
total incident time
11
most aircraft affected by one incident
Jamming1155%Spoofing525%Denial420%Possible meaconing00%
Most affected areas
Eastern Mediterranean6
Baltic Sea5
Black Sea3
Gulf of Finland3
Central Myanmar1
Kaliningrad1

Times are UTC. An incident is counted on the day it starts. Members can download this data as CSV or GeoJSON. Learn more.