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Russell Shaw Russell Shaw is a specialist in mobile computing, telephony, networking and covers these fields regularly for numerous print and online publications. Russ writes the popular IP Telephony blog on ZDNet and contributes regularly to The Industry Standard blog as well. Author of seven books, Russ' latest book is Wireless Networking Made Easy.
John Yunker John Yunker is president of Byte Level Research. He closely tracks emerging wireless technologies and their impact on consumers and carriers alike. Over the years he has written a number of major reports on technologies such as Wi-Fi, WiMAX and cellular technologies.
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Unwired studies emerging wireless technologies and how they complement and conflict with one another. Technologies covered include: Wi-Fi, WiMAX, Ultra-Wideband, Zigbee, EV-DO, UMTS, HSDPA and whatever else comes along.
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Unwired
December 16, 2004
Lower-Orbit Satellite or Hot Air?Email This EntryPrint This Entry
Posted by John Yunker

According to The Economist a company out of Atlanta, Georgia plans to launch an "airship satellite" stationed 13 miles off the ground to function as a cost-effective low-orbit satellite.

hotair.jpg

This "stratellite" certainly appears to be less expensive than the real low-orbit satellite WildBlue which is coming on line in 2005.

The airship could be used to light up cities with DSL-like bandwidth. At 13 miles, I suspect latency will be an issue. But it certainly is a convenient way of manufacturing the tallest tower in town and would make a nice platform for fixed wireless base stations. Perhaps TowerStream would be interested in such a service.

Thanks Chris for the heads up.




COMMENTS
Jesse Kopelman on December 17, 2004 06:11 PM writes...

WildBlue is geosynchronous, not LEO. The difference being 200ms latency vs. 10ms. Iridium was a LEO constellation.

Permalink to Comment
Jesse Kopelman on December 17, 2004 06:17 PM writes...

BTW, 13 miles high will hardly cause a latency issue. Even if the cell had a radius of 100 miles, you are talking 1ms latency due to propagation.

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