Web Directory

» Base Radio Systems Program
   Provides information on the competitively awarded set of contracts that offer a complete menu of Land Mobile Radio products to all U.S. Federal Agencies worldwide. Managed by the Army.
   http://www.eis.army.mil/brs/

» Crudele Communications
   Sales and service for two-way radio trunking repeater systems. Conventional two-way including UHF, VHF and low-band. FCC licensing and Nextel Phones.
   http://www.crucom.com/

» Entropia Network
   Commercial wireless voice and data provider with its own trunked radio network in Belgium.
   http://www.entropia.eu/

» Fylde Micro, Ltd.
   Provides trunking systems to OEMs, dealers, and end users. Includes dealer locator.
   http://www.fyldemicro.com/

» GTRAC
   Resources for EDACS TrunkTracking. Includes guides on frequencies, programming, talk groups, and related links.
   http://gtrac.ztn.net/

» Gould Electronics
   Offers trunked radio solutions as well as shop watch schemes, conventional 2-way radio and fire service communications systems.
   http://www.gouldelectronics.co.uk/

» Land Mobile Spectrum Planning Options
   Article discussing the sharing of trunked public safety radio systems among Federal, State, and local organizations .
   http://www.ntia.doc.gov/osmhome/reports/slye_rpt/appendix.html

» Nighthawk Communications, Inc.
   Offers VHF and UHF wide area LTR System, sales, rentals and repair services in the Los Angeles area.
   http://nighthawkcommunications.com

» TETRA Association
   Organization representing users, manufacturers, operators, test houses and telecom agencies for terrestrial trunked radio, an open digital trunked radio standard defined by the European Telecommunications Standardisation Institute .
   http://www.tetra-association.com/

» Team Simoco
   Designs, installs, and maintains conventional and trunked radio systems.
   http://www.teamsimoco.com/

» Trunking Information
   Information on several Motorola systems, the EDACS system which is operated by the City of Clearwater, as well as conventional frequencies for the Greater Tampa Bay Area.
   http://www.photonick.net/radio/

» United States Patent: 5,815,799
   Priority system for a wide area transmission trunked communication system. Here is the LTR Multi-Net Patent that explains the signaling protocol.
   http://www.freepatentsonline.com/5815799.html

» United States Patent: 5,822,314
   Communications system and method of operation. A typical operational function, using timing information inherent in the transmissions, is the encryption/decryption process within the Trans European Trunked Radio (TETRA) standard.
   http://www.freepatentsonline.com/5822314.html