Link-ZA or UHF radio or satellite link. It uses TDMA and CSMA to establish links and share data with up to 31 active nodes and an unlimited number of passive nodes. Static or dynamic routing tables are supported. Link-ZA node controllers have store and forward capability to transfer data between different radio nets. A node controller can access multiple radios and automatically select the most appropriate link. Link-ZA Link-ZA (also "Link ZA" or "LinkZA") is a tactical data link system used by the South African National Defence Force. It is the data communication component of the "Combat Net Interoperability Standard" (CNIS).
Vehicle registration plates of France is geographical. Until 2009, car plates had to be changed whenever the owner moved to another département or bought a car from a person living in a different département. The 1950 format uses a N X NN format, composed of a series of one to four numbers, one to three letters and a two-digit code corresponding to the département where the car is registered. The international code for French plates is "F" (France). Called "" ("vehicle registration system"), shortened in "SIV", the current scheme was adopted in France in 2009 (15 April for new vehicles; 15 October for second-hand ones).