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).
The Helsinki Rules on the Uses of the Waters of International Rivers aquifers, but only those connected to a river. Accordingly, the United Nations decided in 1970 to create a more inclusive set of guidelines, which after more than twenty years of investigation by the International Law Commission resulted in the adopting of the Convention on the Law of Non-Navigational Uses of International Watercourses in 1997. The ILA itself addressed this limitation in adopting the Rules on International Groundwaters, also known as the Seoul Rules, in Seoul, Korea in 1986 and the Berlin Rules on Water Resources in 2004, which superseded this guideline. The Helsinki Rules on the Uses of the Waters