Marine Safety Forum

UKMTO has received multiple reports and monitoring of AIS confirms, that there is increasing electronic interference within the waters of the Gulf and Straits of Hormuz. Whilst
the level of electronic interference continues to rise across the wider region, the levels and intensity inside the Gulf are having a significant impact on vessels positional reporting through automated systems (AIS).

https://www.marinesafetyforum.org/safety-alerts/dgps-signal-loss/