GPS interference on 21 July 2023

Home · Days · 21 July 2023

As of , from flights on 21 July 2023: 442 of 11,101 map hexagons with enough traffic to measure (4%) showed high interference, meaning more than one aircraft in ten there reported poor GPS accuracy. The count in the medium band, between 3 and 10%, was 798.

Source: GPSInterference.com, https://gpsinterference.com/day/2023-07-21. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 21 July 2023. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Black Sea10957.1%
Americas841.7%
Eastern Europe5710.8%
Eastern Mediterranean5426.6%
South and Southeast Asia3515.2%
Baltic Sea342.7%
Oceania153.3%
Africa1511.9%
East Asian Seas125.8%
Western Europe30.2%
Worldwide4424.0%

Each hexagon is counted once, in the first region listed that holds it; hexagons outside every listed region count in the total only. The region pages count every hexagon inside their own boundaries, which overlap, so they may show higher counts.

0%5%10%15%20%Jul 2023Jan 2024JulJan 2025JulJan 2026Jul 16.5%16 Aug 202311% 0%5%10%15%20%Jan 2024DecNovOct 16.5%16 Aug 202311%

Cite this day

GPSInterference.com, daily summary for 21 July 2023, https://gpsinterference.com/day/2023-07-21

This day's data: https://api.gpsinterference.com/v1/interference/2023-07-21. How to read it.