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Francesco | 2 Nov 15:00
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linrad-02.39

Hello Leif i guess that Ermanno, IK7EZN has already tolt you, regarding the
bug that i found on last 02.39 release.
It's a minor bug, because all the rest seems to work properly.
When i try to change the freq. trough the arrows all crashes.
Otherwise if i do it, just writing by hand all is ok.

73' de IK2DDR,Francesco
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Dan Sawyer | 3 Nov 02:04
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sound card requirements?

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, or configuration issue. Does anyone have any 
information on this or other cards?

Thanks - Dan

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Leif Asbrink | 3 Nov 14:29

Re: Linrad-02.39

Hello Francesco and Roger,

> Hello Leif i guess that Ermanno, IK7EZN has already tolt you, regarding the
> bug that i found on last 02.39 release.
> It's a minor bug, because all the rest seems to work properly.
> When i try to change the freq. trough the arrows all crashes.
> Otherwise if i do it, just writing by hand all is ok.
I do not remember when I corrected this (and for what reason)
but this bug is not present in the current 02.40pre version
that Ermanno just tested.

I attach my response to Ermannos test report because I will not
have the time to fix 2) and the inconvenience of 3) 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 immage)
Oooh! I changed the way the soundcard is opened when 16 bit
input is selected to allow use under Windows Vista.
(Continue reading)

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Leif Asbrink | 3 Nov 15:02

Re: sound card requirements?

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.

In a longer time scale, this will be entirely digital units
like the SDR-IQ and SDR-14 (which work with Linrad) but 
in the near future various converter schemes will be the 
most common radio hardware for Linrad.

There are two choices, the filter method, like in an ordinary
SSB transceiver, where you feed a single audio signal into
a soundcard for a single RF channel. Here is some info on
my first system of that type:
http://www.sm5bsz.com/pcdsp/hware.htm (and links on it)
At that time the "standard" was the Soundblaster 16 soundcard.
With this kind of hardware it is probably ok to use any
soundcard because the soundcard is protected from
out-of-band signals by the filter.

One can also use the phasing method, 'direct conversion', 
and feed two audio signals into the soundcard for each 
RF channel. Soundcards that do not have proper anti-alias
filters are useless in this context. I have never seen one
myself but I have read about them. Any 'normal' soundcard
will do the sampling at a high multiple of the output
(Continue reading)

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Leif Asbrink | 5 Nov 23:22

Linrad-02.40

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.

73

Leif / SM5BSZ

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Dan Sawyer | 6 Nov 04:13
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/dev device configuration

All,

What are the devices and what are the configuration to support linrad?

Thanks - Dan

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f6dro | 9 Nov 19:14
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sm7ufw mail?

Helo ,

the sm7ufw mail ( wse ) niklas@... is bouncing , any valid e mail 
pse?
73 Dom/F6DRO 

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Alberto E. Zagni | 10 Nov 09:49
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MAP65 compiling

Dear Joe,
I have just a couple of questions about current MAP65 compiling status:
- Is MAP65 currently only working on Windows platform?
- Did you cross compile MAP65.EXE under Linux or directly on Win?
- What's your plan for a (beta) release of source code to play with?
After some work, with help from Roger W3SZ I have been successful to compile 
WSJT598 on Ubuntu 7.10 and I would like to do the same for MAP65, since I am 
planning to make some experiments on 6m JT65a.
Just for your knowledge, next month the Ciao Radio H102 direct sampling 
receiver with dual parallel input should 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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Joe Taylor | 10 Nov 14:22
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Re: MAP65 compiling

Hi Alberto and all,

Alberto E. Zagni (I2KBD) wrote:

> I have just a couple of questions about current MAP65 compiling status:
> - Is MAP65 currently only working on Windows platform?

MAP65 runs under Windows and Linux.  A packaged executable (version 0.8, 
r502) is available on the WSJT Home Page for Windows.  You must compile 
it yourself for Linux, from the source code.

> - Did you cross compile MAP65.EXE under Linux or directly on Win?

I compile the Windows executable under Windows.  My development setup 
uses the Microsoft VC6 and Compaq Visual Fortran compilers on Windows. 
These compilers are somewhat dated and not widely available, and it 
would be good to convert to using the GNU compilers, either directly on 
Windows or cross-compiling under Linux.  I have not yet done this.

> - What's your plan for a (beta) release of source code to play with?

The MAP65 source code has been freely available for nearly a year, as 
the program develops.  It is located in the same Berlios repository as 
WSJT.  The easiest was to download the full source code for MAP65 is to 
install the program Subversion and then type

svn co https://svn.berlios.de/svnroot/repos/wsjt/branches/map65

at a command prompt.
(Continue reading)

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Leif Asbrink | 10 Nov 21:54

Re: /dev device configuration

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 need nasm for the routines in
assembly code.

type make to get instructions on how to generate devices for
SDR-14, SDR-IQ and svgalib. To generate devices your system
must have linux-headers installed for the running kernel.

Under Windows you just need properly installed sound. If
you want SDR-14 or SDR-IQ you also need the normal dll files
for them.

73

Leif

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