AM Ground Systems Co.
   Details on ground systems for AM radio and lightning protection.
   http://www.amgroundsystems.com

Antenna and Electromagnetic Research Group
   Offers research areas, projects, people, facilities, and PhD graduates.
   http://www.elec.qmw.ac.uk/research/antennas/

Applied Radar, Inc.
   Research and development of radar and other electromagnetic sensor, communication, and navigation systems.
   http://www.appliedradar.com

Blaw-Knox Diamond Radio Towers
   Pictures of the towers. History and technical details are included.
   http://hawkins.pair.com/blaw-knox.html

BraBant BreedBand
   Research alliance in broadband communications technologies initiated by KPN, Lucent Technologies and the Eindhoven University of Technology. Offers news, project descriptions and publications.
   http://www.brabantbreedband.nl

Carucel-Wireless Broadband Technology
   Carucel(tm) is a fourth generation (4G) wireless technology that provides broadband 20 mbps channels, in 60 Ghz unlicensed spectrum, to mobile users at highway speeds.
   http://www.carucel.com/

Communication Signal Processing Lab.
   Smart antenna solutions for CDMA systems. It includes adaptive algorithms and smart antenna architecture.
   http://dsplab.hanyang.ac.kr

Communications & Signal Processing Group, University of Warwick
   Research group specializes in optical and radio communications, digital signal processing, image development, neural networks, fuzzy logic and VLSI design. Page includes list of affiliated laboratories. Located in the United Kingdom.
   http://www2.warwick.ac.uk/fac/sci/eng/eed/research/csp/

Cyrospace Technologies
   A provider of technology transfer services with the focus on telecommunications, internet and bioscience technologies.
   http://www.cyrospace.com/

Free Space Optics
   In-depth information about the technology and its history. Includes operational notes, glossary, and FAQs.
   http://www.freespaceoptics.org/

IEEE Communications Society
   Diverse group of industry professionals with a common interest in advancing all communications technologies. Sponsors conferences and local activities.
   http://www.comsoc.org/

IEEE Signal Processing Society
   Areas of interest are the theory and application of filtering, coding, transmitting, estimating, detecting, analyzing, recognizing, synthesizing, recording, and reproducing signals by digital or analog devices or techniques.
   http://www.ieee.org/organizations/society/sp/index.html

Multimedia Communications Lab
   Contains research in theory and algorithms for multimedia data compression and communications, digital watermarking and information hiding, and quantum informatics.
   http://www.multicom.uwaterloo.ca

PRX205
   Contains a PRX trunking diagram, and information on the holden machine.
   http://www.prx205.org

Telecoms Virtual Library
   Collection of links to telecommunication sites worldwide.
   http://www.analysys.com/vlib/