Antennas 10-84 - Quad Helix GPS Antenna HomeAntenna SystemsAntennasAircraft AntennasNavigation AntennasAirborne GPS Antennas10-84 - Quad Helix GPS Antenna The 10-84 GPS antenna is designed to provide operation at both the L1 and L2 frequencies with no ground plane 10-84 - Quad Helix GPS Antenna Airborne GPS Antennas Product Contacts UK Cobham Aerospace Connectivity, Marlow, UK The Cobham Centre, Fourth Avenue, Marlow, Buckinghamshire, UK SL7 1TF. Tel +44 (0) 1628 472072 Fax +44 (0) 1628 482255 Chelton Limited trading as Cobham Aerospace Connectivity View location Contact office