Ok, then I saw a misprint on Universal Radio's web-site because it said 300
kHz. Too bad, I might have bought one in that case.
73, de Lou K2LKK
At 07:18 AM 8/5/2006 -0700, you wrote:
>Actually, the r75 Coverage: 30-60000 kHz
>----- Original Message -----
>From: "Louis Kim Kline" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Friday, August 04, 2006 8:48 PM
>Subject: Re: New VLF Radio Technology (fwd)
>
>
> > Yes, I'm sure. It goes a bit lower than my other receiver, the Icom R71A
> > which goes down to 100 kHz. That was one reason why I never went to the
> > Icom R75--it only went down to 300 kHz, and it wasn't low enough to suit
> > me. Occasionally, we get enough of a band opening in the winter time to
> > hear the stuff between 150 and 250 kHz coming through from region 1. It's
> > usually a bitter cold night in the dead of winter when it happens, and
> > some
> > years it doesn't happen at all.
> >
> > I used to have a much easier time with these frequencies before I moved
> > into the city. Oh well, you can't have everything, I guess.
> >
> > 73, de Lou K2LKK
> >
> >
> >
> > At 05:02 PM 8/3/2006 -0600, you wrote:
> >>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
> >> >
> >> > __________________________________________________
> >> > Do You Yahoo!?
> >> > Tired of spam? Yahoo! Mail has the best spam protection around
> >> > http://mail.yahoo.com
> >> >
> >> > --
> >> > FAQ: http://plaws.net/scan/scan-l.txt | NO COMMERCIAL POSTS!
> >> > Signoff: send 'unsub SCAN-L' to [log in to unmask]
> >> > This LISTSERV(tm) facility provided free of charge by the
> >> > University of Arkansas
> >> > and is subject to termination without notice
> >> >
> >
> > Louis Kim Kline
> > A.R.S. K2LKK
> > Home e-mail: [log in to unmask]
> > Work e-mail: [log in to unmask]
> > Work Telephone: (585) 697-5753
> >
> >
Louis Kim Kline
A.R.S. K2LKK
Home e-mail: [log in to unmask]
Work e-mail: [log in to unmask]
Work Telephone: (585) 697-5753
|
