The Federal Aviation Administration issued a warning Wednesday about scheduled GPS interference testing centered on Fort Hood.

LONDON (AP) — Bulgaria will not investigate suspected Russian electronic interference with a top European official's plane, officials said Monday — because this kind of GPS jamming is now so common.

S-GPS (Simultaneous Global Positioning System) is an operation where the reception of GPS signal and the transmission of voice or data signal from the handset, happen at the same time. The interferer ...

LONDON (AP) — Bulgaria will not investigate suspected Russian electronic interference with a top European official’s plane, officials said Monday — because this kind of GPS jamming is now so common.