Private Lines
About Private Line

Private Line covers what has occurred, is occurring, and will ocurr in telecommunications. Since communication technology constantly changes, you can expect new content posted regularly.

Consider this site an authoritative resource. Its moderators have successful careers in the telecommunications industry. Utilize the content and send comments. As a site about communicating, conversation is encouraged.

Writers

Thomas Farely

Tom has produced privateline.com since 1995. He is now a freelance technology writer who contributes regularly to the site.

His knowledge of telecommunications has served, most notably, the American Heritage Invention and Technology Magazine and The History Channel.
His interview on Alexander Graham Bell will air on the History Channel the end of 2006.

Ken Schmidt

Ken is a licensed attorney who has worked in the tower industry for seven years. He has managed the development of broadcast towers nationwide and developed and built cell towers.

He has been quoted in newspapers and magazines on issues regarding cell towers and has spoke at industry and non-industry conferences on cell tower related issues.

He is recognized as an expert on cell tower leases and due diligence processes for tower acquisitions.

« Texas Instruments brings you Digital TV | | What was used before pre-paid calling cards? »

November 04, 2004

Posted by Tom Farley & Mark van der Hoek at 04:24 PM

Euro digital cellular radio schemes

Q. Did any European digital cellular radio schemes exist before GSM? (internal link)

A. They did at least in development, I do not know if any were put into commercial use. The table below (internal link, click to enlarge) lists nine different digital services evaluated for GSM:

From the Oki Technical Review. Volume 127, July 1987. "History and Future of the Cellular System and Mobile Phone" Ryoji Kobayashi, p. 10.

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