517919 - All other telecommunicationsCAN
All examples - 517919 - All other telecommunicationsCAN
- radar station operation
- satellite earth stations facilities operators
- satellite or missile tracking stations, operated on a contract basis
- satellite telemetry operation on a contract or fee basis
- satellite terminal stations
- satellite tracking stations
- selling of prepaid phone cards
- selling of prepaid telephone calling cards
- telemetry and tracking system operation on a contract or fee basis
- tracking missiles by telemetry and photography on a contract basis