be available, and I am curious to
see if it can be used for dual polarization EME work.
Many thanks and 73s
Alberto I2KBD
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Hi Dan,
What are the devices and what are the configuration to support linrad?
Any linux system should be fine. You need a working sound system,
ALSA or OSS to get the devices needed for soundcard input.
Linrad comes as source code so you need the compilers and header
files to use GCC. You also
Helo ,
the sm7ufw mail ( wse ) [EMAIL PROTECTED] is bouncing , any valid e mail
pse?
73 Dom/F6DRO
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Hello All,
Linrad-02.40 can now be downloaded from
http://www.sm5bsz.com/linuxdsp/linroot.htm
with mirrors at
http://g7rau.demon.co.uk/sm5bsz/linuxdsp/linroot.htm
and
http://nitehawk.com/sm5bsz/linuxdsp/linroot.htm
I will leave home tomorrow for one month, perhaps
with occasional E-mail access
All,
What are the devices and what are the configuration to support linrad?
Thanks - Dan
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) will
be present in Linrad-02.40 which I will upload before I
leave.
73
Leif
-
Hi Ermanno,
1- The change of frequency is OK with Linrad-pre40 in Windows and Linux.
Good:-)
2- In windows has disappared the choise 4 from radio menu' (see
Hi Dan,
What is the preferred architecture for a linrad sound card?
There is no preferred architecture for the soundcrd.
First of all, Linrad is not designed for any particular
hardware, it is intended to fit anything that can transfer
digital data into a PC with Intel 86 architecture
All,
What is the preferred architecture for a linrad sound card? How
effectively is it abstracted by OSS or ALSA?
My current card a Intel Corporation 82801DB/DBL/DBM. This apparently
does not support simultaneous input and output. I am not sure if this is
a hardware, driver
Hello, All,
Just a quick note to say I had a ball using the Flex 5000 with Linrad
during the first leg of the 2007 ARRL International EME contest, just
finshing a few hours ago.
I really liked the combination and put a brief set of pictures at:
http://www.nitehawk.com/w3sz/flex-linrad.html
the interference fighting in Linrad can be
significantly improved, but I do not want to work on
artificial signals where I try to simulate various forms
of QRM - mistakes are easily done so I look for real life
recordings of signals that are at the detection limit or
slightly below.
Is there really
or substracted.
Chuck
WD4ELO
-Original Message-
From: Linrad mailinglist [mailto:[EMAIL PROTECTED] On Behalf Of
Leif Asbrink
Sent: Sunday, October 28, 2007 10:31 AM
To: Linrad mailinglist
Subject: [linrad] Challenges!!
Hi All,
Any interference that is not random can in principle be
modelled
want
to listen near a strong local AM station?
A solution that I'd like to see is a sort of Costas loop where:
(1) the signal is split into two paths where one is demodulated with an
in-phase carrier and the second with a 90 degree shifted carrier,
Linrad already has this feature:
http
linrad@antennspecialisten.se.
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Hi All
Sorry its a bit Off Topic, but
I'm updating my web page with the release of Mandriva 2008 and
Suse 10.3.
Leif if you could let me know if there are any major new features with
Linrad, and does anyone know whats happened to SDR-Shell ?
There's nothing at
http://ewp.homelinux.net/sdr-shell
Hi Richard,
Leif if you could let me know if there are any major new features with
Linrad ?
New in relation to what?
On your site I find:
very powerful application for very weak signal use.
Needs a intuitive GUI V Good , but diificult to use
http://www.nitehawk.com/sm5bsz/linuxdsp/linrad.htm
Hi all,
I am new to the world of Linrad, so my request can be obvious for
many...sorry.
I am using a notebook with Audigy2 ZS PCMCIA audio card running at 96000
sample 16 bit and an SDR-X I/Q receiver.
With other software (Winrad, Rocky) I must enable 1 sample delay on the
right channel to get
of enabling this delay in Linrad (I am using it currently under
Windows). Any help / advice?
I do not have any such soundcard so I have no experience
with this behaviour.
In Linrad the image balancing is done in the frequency
domain in order to allow steep anti-alias filters that
are not well balanced
Update) tomorrow!
-- 73, Joe, K1JT
Roger Rehr wrote:
Hello, All,
I am trying to set up the EME Window on Linrad for Windows and having
difficulty.
I have re-discovered the following:
1. Linrad wants the emedirectory to be C:\emedir, NOT \home\emedir or
C:\home\emedir as in Linux
I use Virtual Audio Cable for output in Winrad while running my
SDR-IQ. WSJT6 runs on the same computer, and sees the VAC output from Winrad.
But, when I try this same scheme with Linrad, setting the same VAC as
output, WSJT6 does not recognize the audio output from Linrad. Can
anyone tell me
Hello, All,
I am trying to set up the EME Window on Linrad for Windows and having
difficulty.
I have re-discovered the following:
1. Linrad wants the emedirectory to be C:\emedir, NOT \home\emedir or
C:\home\emedir as in Linux [not documented that I can see].
2. dir.skd is no longer
On Wed, 17 Oct 2007 15:56:12 -0400
Roger Rehr [EMAIL PROTECTED] wrote:
Hello, All,
I am trying to set up the EME Window on Linrad for Windows and having
difficulty.
I have re-discovered the following:
1. Linrad wants the emedirectory to be C:\emedir, NOT \home\emedir or
C:\home
that you run in parallel
with Linrad has to be started before Linrad and that you must not resize
any window or do other things that lock up the CPU for a long time.
(If you run near the speed limit where the time window within which
Linrad must respond is VERY small.)
With two CPUs in the system
Hi Dave,
I have just subscribed to this list. I would like to use LINRAD with my
SDR-14 to look for and demodulate weak CW signals on the microwave bands.
OK:-)
I have downloaded the software for LINRAD. I have scanned through the
help file. I have attempted to run LINRAD and have entered
Hello Leif,
Well, Well! There is nothing like getting advice from the author of the
software!! Thanks for answering.
Leif Asbrink wrote:
I have downloaded the software for LINRAD. I have scanned through the
help file. I have attempted to run LINRAD and have entered some initial
values
Good evening,
I have just subscribed to this list. I would like to use LINRAD with my
SDR-14 to look for and demodulate weak CW signals on the microwave bands.
I have downloaded the software for LINRAD. I have scanned through the
help file. I have attempted to run LINRAD and have entered
Hi Dave,
I'm trying to enable the spur reduction, but Enable AFC/Spur/Decode
only allows me to choose 0 or 1, not 2, so I guess the Windows
version of Linrad does not contain this feature; Is this correct?
No.
Linrad-02.39 has the automatic spur removal under Windows.
The only difference
Hi Leif,
Thanks very much for the new calibration and automatic spur removal
functions. Fantastic!
There is now a new page about calibration in Linrad:
http://www.sm5bsz.com/linuxdsp/flat/ampcal.htm
The links to the data files (blinkerinitx.xxx) are broken (but I found them
anyway
made it that way, but there must have been
some reason...
Linrad always looks for adfile first, then adfile.txt if adfile was not
present. For some unknown reason the Linux adfile seems to
work under Windows.
I have not tried the transmit function, but have noticed no problems in
other
into it. The HPSDR Mercury board should be interesting when it becomes
available (http://hpsdr.org/wiki/index.php?title=MERCURY) .
To start with, you might use a Delta 44 and two softrocks with the
current Linrad software. You may use the manual polarization setting to
cancel undesired signals, but you
Hi Roger,
I have been playing with Linrad and MAP65 and have made several EME
contacts this way. It is a lot of fun, and truly amazing. MAP65 finds
stations that I do not see on the waterfall with my usual [aggressive]
parameters!
This worries me a lot. I know you mentioned this before
I'm trying to enable the spur reduction, but Enable AFC/Spur/Decode
only allows me to choose 0 or 1, not 2, so I guess the Windows
version of Linrad does not contain this feature; Is this correct?
Also, My LINUX version of Linrad does not recognize my SDR-IQ; has
this been fixed?
Roger: I'm
on a band that you thought was 'dead' ;)
I have had such good experience with Linrad that I have never sat down
to learn the theory and optimize things for my particular setting. The
'defaults' do very well for me, and I just do a little tweaking without
as much thought as I should put
file /etc/linrad/usb_sdr14
so that the ftdi_sio driver is automatically removed each time Ubuntu reboots.
73,
W3SZ
Roger Rehr
http://www.nitehawk.com/w3sz
Quoting Robin Cutshaw [EMAIL PROTECTED]:
[Hide Quoted Text]
One of the issues with the IQ is that of USB ID. It uses the generic ID so
Hi All,
Linrad-02.39 can do calibration from recorded files, both .wav files
and files in Linrads own format.
This feature is intended to allow me to receive calibration files from various
hardwares in order to check that the routines work as intended.
There is now a new page about calibration
Hello all ,
I think that if we need LINRAD and MAP65 to gain popularity , we need some
RX hardware. Something less expensive than Leif's hardware , but better than
Time Machine , anybody working on this?
73 Dom
#
This message
I wish, ssh into the remote
linrad box and start xlinrad.
My computer cluster at work has a whole bunch of different computer. All
networked together with 10base2 (50 ohm coax). Works great!!
I have probably gone on long enough. I hope you enjoy learning linux as
much as I have :)).
I
- Original Message -
From: w3sz [EMAIL PROTECTED]
To: Linrad mailinglist linrad@antennspecialisten.se
Sent: Saturday, April 22, 2006 2:45 AM
Subject: [linrad] multiple instances of Linrad
Hi, All,
The SoftRock v7s are so cheap I am starting to come up with all sorts of
uses
running 4 instances of Linrad simultaneously on one
computer. This is possible using either Linux or Windows; I generally
use Windows for this purpose for non-Linrad-related reasons.
My purpose for this was/is to monitor constantly the 50/144/222/432 MHz
bands during a contest
Hi Dan,
There is no file /dev/sndstat. Can it be known by another name?
Try the command ossinfo
73
Leif / SM5BSZ
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devices:
0: AD198x Analog (DUPLEX)
This was all automatically installed with the standard packages
for Debian. There is no longer any alsa-oss package and Linrad
compiles and runs without any problem under X11.
(It is quite another thing that I had to modify both mousetest
and the linrad main routine
Linrad will silently choose it.
Look in the file soundboard_init.log, it may give a hint on
what is going wrong.
You were not prompted for choosing RDONLY or RDWR so you should
find either User selected RDONLY or Only RDONLY available
in the log file.
Before requesting a sampling speed, Linrad
Hi Roger,
I have always thought that your recordings of the Leonids meteor shower
when you were having lots of powerline noise were excellent test
objects! I use them for examples here.
Oooh! That is a special case with local powerline noise. Linrad
can take care of that reasonably well
Roger Rehr wrote:
I have put short post-processing excerpts from these files on the web
though they are not yet referenced in a webpage:
1. without Linrad noise blanking
http://www.nitehawk.com/w3sz/no-nb.wav
Hi Roger,
do you have a longer excerpt of that file, let's say at least
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with local powerline noise. Linrad
can take care of that reasonably well and there is not much
I can do to improve with the current structure of Linrad.
OK. I understand. Others should check these out ;)
I wanted to put the link here but I can't find it :(
Maybe you can post it?
There are on my
Quoting Alberto di Bene [EMAIL PROTECTED]:
Roger Rehr wrote:
I have put short post-processing excerpts from these files on the
web though they are not yet referenced in a webpage:
1. without Linrad noise blanking
http://www.nitehawk.com/w3sz/no-nb.wav
Hi Roger,
do you have a longer
Hi Georg,
As I am going to build up a computer for linrad and HPSDR-applications
with a multi-core (duo-core) CPU for load-sharing, following questions
arose:
1. Which free available C-(C#-)linux-compiler (version number) will be
suitable for this task?
2. Are other tools involved when
Hi Roger,
I have always thought that your recordings of the Leonids meteor shower
when you were having lots of powerline noise were excellent test
objects! I use them for examples here.
Oooh! That is a special case with local powerline noise. Linrad
can take care of that reasonably
/dsp53
/dev/dsp54
/dev/dsp55
/dev/dsp56
/dev/dsp57
/dev/dsp58
/dev/dsp59
/dev/dsp60
/dev/dsp61
/dev/dsp62
/dev/dsp
/dev/dsp64
- Dan
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device found while input is open.
At this point it is clear that your device does not allow
duplex.
I tried to look for 82801DB/DBL/DBM but was unable to find out
what that is. Seems to be some kind of general purpose controller.
Anyway, Linrad should be perfectly happy even
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Leif,
There is no file /dev/sndstat. Can it be known by another name?
- Dan
The result is very odd. Linrad tries to open all these devices.
The statement is
rx_audio_out=open( dev_name, O_WRONLY|O_NONBLOCK, 0);
for each one of the device files and they all give
rx_audio_out=-1 which
Hi All,
The main route I am following for the Linrad development
is now the Tx side. At the moment this means hardware so
I can not do anything meaningful while not at home.
To have something to play with on the beach (I will be
in Tunisia for a week soon) I would like to have some
challenges
Leif,
first of all, thanks for your response to my private message about image
rejection. It was very useful.
About your request, recently there has been an interesting message on the
dttsp-linux group, which I attach
below. Maybe you could try to process those files with Linrad and see what
Good morning,
Linrad fails to build on FC6. Below is the output. Configure had a normal end but there seems to be lots of 'no' status.
Thanks - Dan
nasm -w-orphan-labels -felf -s hware.s -o hware.ol
make: nasm: Command not found
make: *** [hware.ol] Error 127
checking for /usr/lib/oss
Hello Dan,
have you installed NASM?
If not you can do it from the Synaptic package.
Ciao
Francesco,IK2DDR
-Messaggio originale-
Da: Linrad mailinglist [mailto:[EMAIL PROTECTED] conto di
Dan Sawyer
Inviato: martedì 4 settembre 2007 15.48
A: Linrad mailinglist
Oggetto: [linrad] linrad make
should install fine. The other no's
are not a problem:
As far as I know, none of the usual distros of Linux come with OSS
installed by default at this time. FC6 is no exception. That is why
you have the first set of no's. I mostly run linrad on systems without
OSS, though I have it on a few
! :)
Toni
-Original Message-
From: Linrad mailinglist [mailto:[EMAIL PROTECTED] On Behalf Of
Dan Sawyer
Sent: 4. syyskuuta 2007 16:48
To: Linrad mailinglist
Subject: [linrad] linrad make errors
Good morning,
Linrad fails to build on FC6. Below is the output. Configure had a normal
end
environment. The introductory material seems to indicate a single
channel audio input is the place to start. Is this correct? How is
linrad on 'static' noise?
Thanks - Dan
Roger Rehr wrote:
Hi, Dan,
First of all, you need to install NASM. You can get it with Synaptic,
which FC6 would have I
Hi Dan,
Thank you for the reply. NASM fixed the problem. xlinrad now builds and
loads, however it errors attempting to configure the sound card. The
audio controller is an Intel 82801DB/DBL/DBM on an IBM t41 laptop.
Do other sound programs run correctly?
Linrad just uses the device driver
that totally covered up some weaker
stations, that could only be copied after processing with Linrad or
Winrad. But you have already worked on these, as did Alberto. I don't
have anything tougher than these, although I think they are tougher
than Ram's files from the past 2 weeks.
The stuff
,
Thank you again.
I am not seeing what you describe. Linrad open in a menu page with uses,
weak signal cw, etc.; another set of menus, init moon tracking, etc.;
and a third process first file named ..., etc. There is no menu to
select a sound card.
I chose D for ssb. xlinrad requests a baud rate
,
Thank you again.
I am not seeing what you describe. Linrad open in a menu page with uses,
weak signal cw, etc.; another set of menus, init moon tracking, etc.;
and a third process first file named ..., etc. There is no menu to
select a sound card.
I chose D for ssb. xlinrad requests a baud rate
Hello, All,
After Bob asked about MinGW under XP64, I belatedly figured out that I
should give some information on Linrad and XP64.
If I compile Linrad.exe under Ubuntu Linux, 64 bit version, it will run
OK on windows XP64, with occasional crashes. It accesses the printer
port at 33792 OK
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Hello Leif,
Thank you for the info which help me for my decision to be done. I will
go for a duo core system.
Best regards and vy 73 de Georg, dl2kp
-Original Message-
From: Linrad mailinglist [mailto:[EMAIL PROTECTED] On Behalf
Of Leif Asbrink
Sent: Tuesday, September 04, 2007 2:31 AM
Hello, All,
This is somewhat off topic, but not really as I am trying to make an
external program to control my SM5BSZ WSE boxes in windows XP64. They
are nicely controlled via Linrad running under Windows XP64, but I am
having trouble compiling and linking the windows version of QT3 to get
Hello, All,
After getting a good 3 hours sleep the obvious hit me [and worked
better to get me out of bed than the alarm clock]:
the reason for the changed behavior was that I had left a modified
windef.h file from Linrad in the PATH. After removing it I am back to
the previous behavior
hours sleep the obvious hit me [and worked better
to get me out of bed than the alarm clock]:
the reason for the changed behavior was that I had left a modified
windef.h file from Linrad in the PATH. After removing it I am back to
the previous behavior, getting the error message:
form.ui.h
Roger Rehr wrote:
Hello, All,
After getting a good 3 hours sleep the obvious hit me [and worked
better to get me out of bed than the alarm clock]:
the reason for the changed behavior was that I had left a modified
windef.h file from Linrad in the PATH. After removing it I am back
http://www.nitehawk.com/w3sz
Roger Rehr
W3SZ
http://www.nitehawk.com/w3sz
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Hello Christophe,
I am using more and more sun noise as a tool
to optimize the frontends on 6, 3 and 1.2cm. What is the best way to do
this with linrad. For now, I just read the main dB scale visually, which is
quite easy to do up to say 0.1 dB. But maybe more intelligent things can
be done
the same computer to
run the SDR1000, Linrad and MAP65. With all three programs running at the
same priority (Normal), an overrun error message is occasionally displayed
in the right hand part of the main spectrum. I assumed this to be a task
overrun, so I bumped the Linrad priority to Above
Hi,
a beginners question again - I am using more and more sun noise as a tool
to optimize the frontends on 6, 3 and 1.2cm. What is the best way to do
this with linrad. For now, I just read the main dB scale visually, which is
quite easy to do up to say 0.1 dB. But maybe more intelligent things
Hello Joe,
I've been experimenting with the Linrad Network. All seems well using
options 4, 5, 6, or 7, but when I turn on option 8 (Send timf2) or option 9
(send fft2 transforms) the AFC graph and S meter graphs become very slow and
jerky and the main spectrum and high resolution graphs
Hello Toni,
why not install nasm, from synaptic packets?
Are you operating under X11 (graphic mode)?
73' Francesco,IK2DDR
p.s. i run Linrad under UBUNTU 6.10 and 7.04
-Messaggio originale-
Da: Linrad mailinglist [mailto:[EMAIL PROTECTED] conto di
Toni Palmgren
Inviato: martedi 28 agosto
Hi Toni,
I've followed the installation instructions from Linrad's site on how to
install from the internet using apt-get and wajig. I use Linrad version
02-35. ./configure runs without errors.
Compiling errors occur during `make xlinrad'. When it tries to run the
command nasm -w-orphan
Hi Zaba,
Linrad is actually a quite remarkable system regarding gain control
as it seems
to be able to cope with most situations without need to change the hardware
configuration either with attenuators or any AGC-action. At least in
my private
50 MHz experiments with a simple I/Q-direct
Hi Joe and all,
Sorry to be a bit slow in responding. I have been traveling
since last week, and it seems that you have largely answered
your own question.
The polarization-matching capabilities of the Linrad-MAP65
combination depend on having a two-channel receiver. Any
mixing in the Rx
Hi Jeff,
I can't get linrad to compile on a relative clean installation of Ubuntu
Feisty (7.04).
The only error is that the C compiler is not properly installed.
I do not know the exact reason, maybe the run time libraries are
missing. Have a look at config.log, it might advice
Hi Jeff,
I can't get linrad to compile on a relative clean installation of Ubuntu
Feisty (7.04).
./configure can't find soundcard.h because it doesn't look in a path
containing `uname -r`.
This is no error. Linrad looks for soundcard.h in some directories
specific for OSS
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Hi Dave,
Dave Blaschke wrote:
K1JT wrote:
In principle, any hardware that can be made to work with Linrad should
also be usable with the Linrad-MAP65 combination. At present this is
true only if the sampling rate can be set to 96.000 kHz (four
channels, two I-Q pairs) or 192.000 kHz (two
, this is exactly what I discovered.
You asked some more good questions, and I will follow up on
them soon.
In the meantime, I've realized that there is really no
reason to use multicasting for the Linrad -- MAP65
connection. I could just as well unicast the UDP data
stream between the two machines, using
Taylor wrote:
My earlier problem with dropped multicast packets seems to be fixed in
MAP65 v0.8. However, when running the Linrad-MAP65 combination on two
separate computers I still have some network-related problems.
Perhaps someone on this list who knows much more than I about
networking
the hub with a 100 Mbps full-duplex
Ethernet switch? There are many advantages in this over a hub.
Yes. That was my first attempt at a solution. I tried replacing the 10
Mb/s hub with a 10/100 Mb/s switch. The result was the same: when
Computer C was multicasting 16-bit Linrad data at about 0.77
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Joe Taylor wrote:
My earlier problem with dropped multicast packets seems to be fixed in
MAP65 v0.8. However, when running the Linrad-MAP65 combination on two
separate computers I still have some network-related problems. Perhaps
someone on this list who knows much more than I about
Hi All,
This new version is only available at the bottom of
the development page:
http://www.sm5bsz.com/linuxdsp/linroot.htm
and its mirrors. At Linrad home page the version
is still 02-34.
Linrad now has a speech processor, the first step
towards a transmit chain. The dsp side of it seems
. Do I be trying to decode from a recorded file
( S key of Linrad) but probably don't find the any
sync for the time not real, any suggestion?
I assumed, as you did, that raw data files saved by the Linrad S
command do not have time information. I now understand from Leif that
this is not so
Hi Joe and Ermanno,
I assumed, as you did, that raw data files saved by the Linrad S
command do not have time information. I now understand from Leif that
this is not so. I do not tested to see whether, when one reads a raw
data file back into Linrad, it is possible to have Linrad send
an ntpdate prior to running
xLinrad.
The simple reason is that with my present setup most of the available
ethernet bandwidth is used for the data being multicast from Linrad to
MAP65. I don't want either of the two computers using the network for
non-essential purposes, causing collisions
Hello Ermanno,
The first impression is extremely positive particularly way the
management of the automatic polarization also on signals that I was not
able to see on the screen of Linrad.
???
Something is wrong here. In case you want the highest sensitivity and
set Linrad parameters
. Is there a similar software, as Rogers, to set
frequency under Linux? Couldn't find any meny in Linrad to do that, but I also
must admit that I haven't played arround with it much.
The units also get really hot, placed them vertically as suggested by Nicklas.
What about airspace above
was based on the recommendation of Dirk Claessens who wrote:
I heard from Pierre that Linrad for Windows is experiencing sporadic
packet loss. It appears that there exists no magic registry key to
enlarge the packet buffersize on a global basis
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