| GLONASS | Global Navigation Satellite System |
| GNSS | Global Navigation Satellite System |
| ENSS | European Navigation Satellite System |
| INS | Inertial Navigation System |
| EGNOS | European Geostationary Navigation Overlay System [engl.] Europäisches geostationäres Navigationssystem |
| DSS | Digital Satellite System |
| SSR | Satellite System Receiver |
| SMS | Satellite Multi-Service System |
| DSCS | Defense Satellite Communications System Littleton, CO, USA, http://www.lockheedmartin.com |
| TSS | Tethered Satellite System [Raumfahrt] |
| GTS | Global Telecommunication System |
| SGA | Shared / System Global Area |
| GPS | Global Positioning System [Weltraum] vgl. http://www.kowoma.de/gps/index.htm |
| GMHS | Global Message Handling System |
| GSM | Global System for Mobile Communications |
| AGPS | Assisted Global Positioning System [engl.] Ortungssystem, dass zusätzlich GPS-Daten heranzieht |
| NGMHS | NetWare Global Message Handling System |
| GFS | Global Forecast System [Amerikanischer Wetterdienst] |
| GMDSS | Global Maritime Distress and Safety System |
| TACAN | Tactical Air Navigation taktische Flug-Navigation |
| ENI | Electronic Navigation Industries Inc. |
| TELERAN | Television Radar Navigation Flugnavigation mit Fernsehen und Radar |
| NAIF | Navigation Ancillary Information Facility |
| ADN | Accord européen relativ au transport international des marchandises dangereuses par voie de navigation intérieure [frz.] Aus dem europäischem Transportrecht: Europäisches Übereinkommen über die internationale Beförderung gefährlicher Güter auf Binnenwasserstraßen |
| ADNR | Accord européen relativ au transport international des marchandises dangereuses par voie de navigation intérieure au Rhin [frz.] Gefahrguttransportregelung auf dem Rhein |
| DOMSAT | Domestic Satellite |
| LANDSAT | Land-use Satellite |
| SAT | Satellite [Raumfahrt] |
| ROSA | Receive Only Satellite Antenna |
| USAN | University Satellite Network |
| EOSAT | Earth Observation Satellite bspw. http://www.enmap.de |
| DSC | Direct Satellite Communications |
| SAN | Satellite Access Network |
| SCC | Satellite Control Center |
| DRS | Data Relay Satellite |
| BS | Broadcast Satellite [engl.] |
| ECS | European Communications Satellite |
| SLR | Satellite Laser Ranging |
| SIT | Satellite Interactive Terminal |
| MSS | Mobile Satellite Service |
| CTS | Communications Technology Satellite |
| ERS | Earth Resources Satellite |
| IRAS | Infrared Astronomical Satellite |
| DBS | Direct Broadcast Satellite |
| FSS | Fixed Satellite Services |
| COMSAT | Communications Satellite Corporation |
| DBS | Direct Broadcast/Broadcasting Satellite |
| Tiros | Television and Infrared Observation Satellite Fernsehkamera- und Infrarotbeobachtungssatellit, Wettersatellitenreihe der NOAA |
| INTELSAT | International Telecommunications Satellite Organization Heute Teil von PanAmSat, http://www.panamsat.com |
| RDSS | Radio Determination Satellite Services |