Putin’s secret electronic weapon playing havoc with airliners’ GPS

Dr Thomas Withington, an expert in electronic warfare at the Royal United Services Institute think-tank, said the dish could be directed to disrupt GPS signals in multiple directions. The effort to jam signals is likely to provide a kind of invisible shield over Kaliningrad to assuage Russia’s concerns over Nato’s arsenal of satellite-guided missiles, he added. “This may surprise some people but I think, ostensibly, it’s actually defensive,” Dr Withington said.