Date: Wed, 14 Apr 2004 15:22:29 -0400 (EDT) From: Vince Vielhaber <vev@michvhf.com> To: richard childers / kg6hac <fscked@pacbell.net> Cc: freebsd-mobile@freebsd.org Subject: Re: Hams Report 85-mile 802.11b File Transfers @ Oregon Message-ID: <Pine.BSF.4.58.0404141519490.84870@paprika.michvhf.com> In-Reply-To: <407D7323.50001@pacbell.net> References: <407D7323.50001@pacbell.net>
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On Wed, 14 Apr 2004, richard childers / kg6hac wrote: > Those of you inclined towards worrying about eavesdroppers will find the > following interesting ... QST Magazine (or was it NASA Tech Briefs?) > recently reported that two people successfully achieved connectivity and > exchanged files across a span of 85 miles, using COTS technology and > antennas optimized for operation in the 2.4 gHz frequency. > > People operating 802.11b networks in corporate environments, take note - > your networks can probably be monitored from anywhere within a few > [dozen?] miles of the antenna, depending upon obstructions, and perhaps > from over the horizon, as well. There are guys on the wireless equipment list that are getting 60+ miles with off the shelf components. Not just swapping a few files, these are 24/7/365 links. The timing problems are overcome with the software they're using (StarOS, also off the shelf). Vince. -- Fast, inexpensive internet service 56k and beyond! http://www.pop4.net/ http://www.meanstreamradio.com http://www.unknown-artists.com Online radio: It's not file sharing, it's just radio.
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