radio data terminal
21High Capacity Data Radio — (HCDR) is a development of the NTDR for the UK Government as a part of the Bowman Communication System. [citeweb|title=Bowman Hits the Mark|url=http://www.afcea.org/signal/articles/templates/SIGNAL Article Template.asp?articleid=503 zoneid=111… …
22Government Radio Network (Australia) — The Government Radio Network (or GRN) is one single Australia wide radio system. Some states in Australia run a GRN in that state (eg. SAGRN in South Australia, NSWGRN in NSW etc). It is a trunked radio network usually using Motorola SmartZone.… …
23Container Terminal Altenwerder — CTA in February 2010 …
24Terrestrial Trunked Radio — TETRA redirects here. For other uses, see Tetra (disambiguation) TErrestrial Trunked RAdio [ETSI EN 300 392 2 v3.2.1] (TETRA) (formerly known as Trans European Trunked RAdio ) is a specialist Professional Mobile Radio [http://www.tetra… …
25Very-small-aperture terminal — A 2.5 m parabolic dish antenna for bidirectional satellite Internet access A very small aperture terminal (VSAT), is a two way satellite ground station or a stabilized maritime Vsat antenna with a dish antenna that is smaller than 3 meters. The… …
26Norwegian Public Safety Radio — Nødnett …
27General Packet Radio Service — (GPRS) is a packet oriented mobile data service on the 2G and 3G cellular communication system s global system for mobile communications (GSM). GPRS was originally standardized by European Telecommunications Standards Institute (ETSI) in response …
28Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
29List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
30Satellite radio — is an analogue or digital radio signal that is relayed through one or more satellites and thus can be received in a much wider geographical area than terrestrial FM radio stations. While in Europe many primarily FM radio stations provide an… …
