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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.

« Jade Clayton's telecom dictionary | | Correction on GSM »

May 23, 2001

Posted by Tom Farley & Mark van der Hoek at 12:29 AM

Updates to Wireless documents

Dave Mock has revised and updated the Wireless Investing documents he sells, check out his page at privateline.com. Also, Dave and I have decided to make free the .pdf file of my Telephone History Series. No more laborious printing off the web. Download the 1.7 meg file by going here. A kind reader has sent me many good comments regarding GSM/PCS, I will need to revise several sentences in my digital wireless basics series. I wish I had time to do an entire article on GSM but that's one project that must wait, download Levine's .pdf file on the subject instead. The main point? True GSM is entirely TDMA based, while American PCS systems are of two different kinds, higher frequency GSM and IS-95. Only the IS-95 system is CDMA based. True GSM, that import from European, is by definition a time based system and cannot be otherwise. Again, it will be a while before I can get the several pages needing revision redone.

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