TAG: RFI transmitter

Personal Privacy Jammers: Locating Jersey PPDs Jamming GBAS Safety-of-Life Signals

April 1, 2012By
Grabowski-opener2

When jamming interfered with GPS signals at Newark Airport, a three-month effort determined that low-power, mobile personal-privacy devices were responsible. This article describes how they were found and outlines how the observable parameters of such devices encompass a wide variation in RF spectra and internal modulation. read more