Hi.

I can go down to about 30 kHz, here, but it isn't going to help because the 
receiver is analog, not digital.

73, de Lou K2LKK



At 06:25 PM 8/3/2006 -0400, you wrote:
>Hi everyone, I just saw this and it came in with the last post about FM
>DX.  I don't konw about the rest of you, but the lowest my equipment will
>go in frequencies is 100 KHz on the F6A.
>
>
>
>
>
>---------- Forwarded message ----------
>Date: Thu, 3 Aug 2006 15:17:32 -0700
>From: Punworg <[log in to unmask]>
>To: [log in to unmask]
>Subject: New VLF Radio Technology
>
>Quick!  Somebody design some new scanners!
>---------------------------------------
>New 'underground radio' technology improves emergency
>capabilities
>
>New Mexico Business Weekly - 12:43 PM MDT Wednesday
>
>Los Alamos National Laboratory says Vital Alert
>Technologies Inc. has signed two exclusive license
>agreements with the lab for Underground Radio=99, a
>technology that will provide two-way voice and text
>capability known as Through-The-Earth-Communication=99
>for first responders, rescue and security teams,
>underground miners and the public in critical
>emergency situations.
>
>Underground Radio, originally developed by LANL for
>the Department of Energy, is being commercialized by
>Vital Alert Technologies for use by emergency crews in
>urban centers and by the mining industry.
>
>Vital Alert is a wholly-owned subsidiary of Vital
>Alert Communication Inc. Vital Alert develops pre- and
>post-emergency, safety and rescue technology for the
>urban and mining communications sectors.
>
>"The new technology is a breakthrough in digital and
>wireless communications," says Joe Miller, president
>and CEO of Vital Alert, in a news release. "As a pre-
>and post-emergency warning, evacuation and rescue
>communication system, it solves radio frequency
>failure problems and eliminates systems' downtime
>complications in difficult environments such as
>subways, tunnels, skyscrapers and mines. The new
>technology will also greatly enhance the ability of
>mining companies to protect their workers."
>
>Underground Radio uses very low frequency (VLF)
>electromagnetic radiation and digital audio
>compression technologies to carry voice and text data.
>The VLF signals also can transmit tracking and
>location data for radio users in case they are unable
>to respond.
>
>"This is a technical solution to the problem of voice
>communication in underground areas," said David
>Reagor, the principal investigator of the Los Alamos
>team that originally developed the technology. "It's
>also inexpensive to build."
>
>Underground Radio can be used to alert individuals of
>underground conditions during blasts, fires or
>collapses, or to locate trapped miners. The technology
>was designed to provide convenient, portable
>underground communication and a data link to robotic
>machines.
>
>Peter Vieth
>KB4FVJ
>Roanoke, VA
>
>__________________________________________________
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Louis Kim Kline
A.R.S. K2LKK
Home e-mail:  [log in to unmask]
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Work Telephone:  (585) 697-5753