2009	AENA (Spain)	Provision of the ATN/FANS Datalink Front-End Processor (Dual configuration) for use in a LINK data link test environement
2007-2009	DFS Karlsruhe ATCC (Germany) and EUROCONTROL MUAC (Maastricht, Netherlands)	Provision of the ATN/FANS Datalink Front-End Processor (DL-FEP system, Test System and ASIS) for operation in the scope of the Single European Sky Data Link Implementing Rule (entry into operation in 2011) Supports CM, CPDLC & PM-CPDLC.
2008	EUROCONTROL MUAC (Maastricht, Netherlands)	Provision of an ATN Ground End System compliant with LINK 2000+ program.
2005-2007	EUROCONTROL EHQ (Brussels, Belgium) and AIRBUS (Toulouse, France)	Prototyping of PM-CPDLC, PM-ADS and PM-FIS using the air and ground ATN End System in support of ICAO standard validation.
2002	ATNSI (USA)	Provision of the Ground ES for operational service at Miami ACC to support FAA CPDLC-B1 program.