Man-made Radio Interference

GPS and other satellite positioning systems were designed to use quiet parts of the spectrum. However, these channels face the danger of being overwhelmed by communications signals from other nearby frequencies. Engineers must test the possibility of interference from multiple systems. 

Caption:
GPS and other satellite positioning systems were designed to use quiet parts of the spectrum.
Type: Photograph
Image Date: 2012
Credit: National Air and Space Museum, Smithsonian Institution
Origin: National Air and Space Museum, Smithsonian Institution
Creator: Mark Avino
GPS_0047
Innovations
Navigation Methods
 
GPS and other satellite positioning systems were designed to use quiet parts of the spectrum.