Os
> below the
> background noise level. It could be made
> easier by restricting automatic
> (cognitive) radio to spectrum where weak signal modes will
> not be
> encountered.
>
> Cortland
> KA5S
>
>
>
> > [Original Message]
> > From: Bob McGwier
nd noise level. It could be made easier by restricting automatic
(cognitive) radio to spectrum where weak signal modes will not be
encountered.
Cortland
KA5S
> [Original Message]
> From: Bob McGwier
> To:
> Date: 12/16/2009 12:54:35 AM
> Subject: Re: [digitalradio] cognitive ra
Cortland Richmond wrote:
>
>
> One problem with "cognitive radio" is that it seems it will be designed
> to detect only emissions similar to those it is meant to receive.
> Therefore, it is best used in spectrum particularly allotted to
> just those kinds of emissions. This rather defeats th
elect.
Cortland
KA5S
- Original Message -
From: Phil Williams
To: digitalradio@yahoogroups.com
Sent: 12/15/2009 1:21:30 PM
Subject: Re: [digitalradio] cognitive radio systems;?
I first heard of cognitive radio systems when efforts were underway to make use
of the 'white
So long as vanity repeaters are put up by people who are willing to
become litigious, this is a war that will have MANY casualties. We are
not the government (anywhere in the world, not just US) and have the
right of "eminent domain" over spectrum, property, etc.
I would love to see repeater c
> I first heard of cognitive radio systems when efforts were underway to make
> use of the 'white space' in the television broadcast bands. The whole idea
> is to make more efficient use the the spectrum by putting situational
> awareness in to the client device.
One example we're discussing i
Indeed they are: here's a video of N9VV using my radio over the internet...
http://www.sdr-radio.com/LinkClick.aspx?fileticket=DYGMyXoqIS8%3d&tabid=178&;
mid=1016
Simon Brown
http://sdr-radio.com
> -Original Message-
> From: digitalradio@yahoogroups.com
>
> I am happy amateur radio OPE
Simon HB9DRV wrote:
> There's much more to amateur radio than just operating - at least over this
> side of the pond. Here self-education is important. Despite all the code
> I've written there's nothing I enjoy more than listening to 160m CW.
And that's why the predictions of the death of Amateur
I doubt whether amateur radio has ever been more alive than it is at
present.
Simon Brown
http://sdr-radio.com
> -Original Message-
> From: digitalradio@yahoogroups.com
> [mailto:digitalra...@yahoogroups.com] On Behalf Of Dave Ackrill
>
> It seems, to me, that the predictions of the dea
Same here. I do not operate digital modes at all personally, even those
I helped to create and/or improve. I operate 160m and 40m CW almost
exclusively. That does not stop me from conducting experiments, doing
design work, and using the brain I was given to learn and expand
knowledge. I bel
I first heard of cognitive radio systems when efforts were underway to make
use of the 'white space' in the television broadcast bands. The whole idea
is to make more efficient use the the spectrum by putting situational
awareness in to the client device.
http://www.technologyreview.com/read_arti
There's much more to amateur radio than just operating - at least over this
side of the pond. Here self-education is important. Despite all the code
I've written there's nothing I enjoy more than listening to 160m CW.
Simon Brown
http://sdr-radio.com
From: digitalradio@yahoogroups.com [mai
DANNY DOUGLAS wrote:
> This all may sound like sour grapes to those who are pushing these
> innovations, but I do really worry about the future of this hobby, and where
> it is heading, but I have heard others saying the same things. As one who
> has enticed young people into the hobby, taught
oups.yahoo.com/group/digital_modes/?yguid=341090159
- Original Message -
From: Bob McGwier
To: digitalradio@yahoogroups.com
Sent: Tuesday, December 15, 2009 9:10 AM
Subject: Re: [digitalradio] cognitive radio systems;?
Andy and others:
I think you mean that the p
Andy and others:
I think you mean that the people who programmed today's radios are
smart. They have written excellent DSP algorithms to process the
signals YOU select for the radio.
Suppose we have a radio capable of doing any kind of waveform we wish to
do (gnuradio is a step in the right d
Snip.
Just what is considered to be a "cognitive radio system" ?
Snip...
A intelligent radio .
If you say one of the "bad words" like terrorism, bomb, president ... etc
The qso is stored as mp3 file . now if there is a cellphone repeater or a
wlan net available, the radio connects to cia and r
>-Original Message-
From: Andy obrien
Date: Tue, 15 Dec 2009 Time: 05:43:46
>
> 3. AI 1.19 - Software-defined radio and cognitive radio systems;
>
>Just what is considered to be a "cognitive radio system" ? Most
>radios these days are pretty "smart", maybe the next generation will
>t
The ARRL Newsletter mentioned ..
One of the major topics of discussion at the AC meeting involved the
upcoming WRC-12, the World Radiocommunication Conference in 2012. The
AC adopted preliminary IARU positions on the WRC agenda items that
relate to amateur radio or may impact the amateur radio s
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