Well, if static is bad on AM I bet it is worse down there isn't it?
On Thu, 3 Aug 2006, Frederick wrote:
> Hi
> My speech frequency read out also tells me I can go to 30 KHZ. I do hear
> occasional static crashes down there but that's about it.
> God bless,
>
> Mark
> God loves you!
> My personal prayer book.
> Add your prayer or pray for others at the following link.
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>
> http://lists.topica.com/lists/funhamradio.
> http://groups.google.com/group/funhamradio-list
>
> http://funhamradio.bloki.com
> ----- Original Message -----
> From: "Colin McDonald" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, August 03, 2006 4:02 PM
> Subject: Re: New VLF Radio Technology (fwd)
>
>
> > are you sure it goes to 30K, and not 300K?
> > 300K is a bit more common for your average HF wide band receiver.
> > 100 is the next most common.
> >
> > at any rate, its about time they start using ground penetrating RF signals
> > to communicate.
> > I think there has been some research by NASA into those possibilities, but
> > nothing camercial yet.
> > I wonder what freq range they are looking at using.
> >
> > 73
> > Colin, V A6BKX
> > ----- Original Message -----
> > From: "Jeff Kenyon" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Thursday, August 03, 2006 4:25 PM
> > Subject: New VLF Radio Technology (fwd)
> >
> >
> >> 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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