erlin" in the
eastern conference zone of the HAMRADIO fair. There will be a Youtube
live stream at https://youtube.sdra.io and you can find the programme
at https://2022.sdra.io/pages/programme.html
Best Regards
Markus Heller M.A.
DL8RDS
:
https://www.ieee.org/conferences_events/conferences/publishing/templates.html
Organization
Prof. Dr. Michael Hartje, DK5HH
Markus Heller, M.A., DL8RDS
Senior Programme Committee
Prof. Dr. Michael Hartje, HS Bremen, DK5HH
Prof. Dr. Michael Niemetz, OTH Regensburg, DG2RAM
Prof
:
https://2021.sdra.io/pages/about.html
See you again next year! Note the date: 24. - 26. June 2022
BR / vy73
Markus Heller, M.A. DL8RDS
Prof. Dr. Michael Hartje DK5HH
Dear lists,
the Software Defined Radio Academy 2021 is going to take place next
weekend, in one week's time, on Saturday June 26 and Sunday June 27.
I'd also like to take the opportunity to point your attention to the
European GnURadio Days which start slightly before, and overlap with
the SDRA
Dear list,
here in Germany we've been working on a standard class to teach SDR to
radio amateurs. We see that the learning path is quite steep for the
ordinary OM.
In the academa you have several semesters time to learn everything you
need, including complex maths. But the ordinary OM has very
Dear lists,
this year's Software Defined Radio Academy is taking place as an online
conference. Because of the great number of contributions, we are
spanning the conference over two days: Saturday June 27 and Sunday June
28 2020.
We also decided to start the stream in the afternoon in order to
Dear (former, future) speakers,
Corona changes everything.
The DARC (German Amateur Radio Club) cannot / will not denounce the
HAMRADIO in Friedrichshafen for liability reasons, I strongly expect
the German authorities to do this.
As for the Software Defined Radio Academy we planning for the
Correction:
Saturday 27.06.2020
Am Mittwoch, den 06.11.2019, 22:17 +0100 schrieb Markus Heller:
> Dear Lists
>
> please find our Call for Papers / Call for Contributions below.
> Looking
> forward to see you at Friedrichshafen!
>
> BR / vy73
> Markus
> dl8rd
be demonstrated on-site at the
conference.
Papers should be formatted using the IEEE A4 templates: http://www.ieee
.org/conferences_events/conferences/publishing/templates.html
Organization
Prof. Dr. Michael Hartje, DK5HH
Markus Heller, M.A., DL8RDS
Senior Programme Committee
Prof. Dr. Mi
Dear OMs,
I guess this carrier tracking block would be useful to handle frequency
drift of cheap (unstabilized) devices, when working QO-100 satellite
connections. This block could be used to find the band end beacons and
derive the frequency shift and correct it accordingly. Right?
vy73
markus
Ulrich Rohde
KA2WEU for his great support.
Please also note the date of the next SDRA2020: Saturday June 27 2020
So we hope you enjoy the recordings!
All the best! VY73!
Markus Heller, DL8RDS
Michael Hartje, DK5HH
___
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D
Dear lists,
here is the final programme of this year's Software Defined Radio
Academy in Friedrichshafen:
http://2019.sdra.io/pages/programme.html
The SDRA will be on June 22 and the location will be the room "Berlin",
which is located in the eastern part of Messe Friedrichshafen. Talks
will
Dear community,
please see our programme web site.
The programme of the Software Defined Radio Academy 2019 on June 22 in
Friedrichshafen is ready:
http://2019.sdra.io/pages/programme.html
Please note that we are looking forward to a distinguished talk from
Nobel Price winner and radio
Hi Aaron,
I am also using it perfectly fine for EsHailSat reception with Version
3.7.
Why do you think it shouldn't work? What's your error?
vy73
markus
dl8rds
Am Dienstag, den 02.04.2019, 13:00 + schrieb Chesir, Aaron M.:
> Folks,
>
> Apparently the USRP2 is no longer supported by
Dear lists,
please find our Call for Papers below.
BR / vy73
Markus Heller, M.A. DL8RDS
Prof. Dr. Michael Hartje DK5HH
>
>
> >
> >
> > >
> > >
> > > >
> > > >
> > > > >
> > > > >
> &g
Dear lists,
please find our Call for Papers below.
BR / vy73
Markus Heller, M.A. DL8RDS
Prof. Dr. Michael Hartje DK5HH
>
> >
> > >
> > > >
> > > > >
> > > > >
** apologies for cross-posting **
Call for Papers: SDRA-2019 Frie
Dear lists,
please find our Call for Papers below.
BR / vy73
Markus Heller, M.A. DL8RDS
Prof. Dr. Michael Hartje DK5HH
>>>>>
** apologies for cross-posting **
Call for Papers: SDRA-2019 Friedrichshafen
HAMRADIO Friedrichshafen Software Defined Radio Academy 2019 (SDRA-
2019)
Dear list,
I wonder how I could generate one single shortest possible pulse on my
USRP2 with GNURadio.
Normally all the blocks would always generate an entire sequence, a
continuous signal.
I want to generate (and analyze) the shortest possible signal.
Any ideas?
The background: I want to
Dear list,
the Weinheimer UKW-Tagung (Weinheim VHF conference) is looking for
speakers on SDR topics. The conference will be on Satursay/Sunday 7. –
9. September 2018. Weinheim is a city near Mannheim in the Rhine
region, Germany.
Talks are preferred in German language.
Here are the relevant
Dear list,
the recordings of this year's SDRA in Friedrichshafen are now available
in our Youtube channel.
Alltogether we have 71 recordings from talks, mainly on SDR topics.
We're proud to welcome our subscriber #1000, which shows that we're
meeting a demand. Please also feel invited to
Dear list,
we are running a live stream of this year's Software Defined Radio
Academy at:
https://www.youtube.com/channel/UC1GAlgAQrkjeeLmIkCB8pgQ/live
Please feel invited to join!
BR
VY73
Markus
dl8rds
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Dear lists,
the Software Defined Radio Academy 2018 programme is ready.
The SDRA will take place on Saturday June 02 in Friedrichshafen as part
of the HAMRADIO fair.
http://2018.sdra.io/pages/programme.html
We are looking forward to welcome you in Friedrichshafen!
BR
vy73
markus
dl8rds
can be demonstrated on-site at the
> conference.
>
> Papers should be formatted using the IEEE A4 templates: http://www.ie
> ee.org/conferences_events/conferences/publishing/templates.html
> Organization
>
> Prof. Dr. Michael Hartje, DK5HH
> Markus Heller, M.A., DL8
n
Prof. Dr. Michael Hartje, DK5HH
Markus Heller, M.A., DL8RDS
Senior Programme Committee
Prof. Dr. Michael Hartje, HS Bremen, DK5HH
Prof. Dr. Michael Niemetz, OTH Regensburg, DG2RAM
Prof. Dr. Michael Mächtel, HTWG Konstanz, DL2SBS
Important Dates:
Abstract Submiss
Hi Andrew,
check this talk:
https://www.youtube.com/watch?v=Km4TU17b05s
vy73
markus
dl8rds
Am Freitag, den 17.11.2017, 23:25 +1000 schrieb vk4tec@tech-
software.net:
> Hello
>
> I have a question regarding the use of two software defined radios
> for the purpose of TOA time of arrival radio
my experiments with an arbitrary GPS module offering a PPS discipline
showed that it is easily archievable to create a local clock (ntpd
based) with a clock precision of 1 microsecond even with cheap low-power
soc computers: I was using a Raspberry Pi.
The most interesting finding was the clock
In case of a multilateration attempt, please consider this presentation:
https://www.youtube.com/watch?v=Km4TU17b05s
vy73
markus
dl8rds
Am Donnerstag, den 17.08.2017, 01:52 +1000 schrieb
vk4...@tech-software.net:
> Are you trying to do MultiLateration using software defined radio ?
>
>
>
website: http://sdra.io
vy73
Markus Heller
DL8RDS
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Dear list,
on September 09, there is going to be the UKW-Tagung (VHF Conference)
at Weinheim, in southwestern Germany. It's a one day amateur radio
venue of about 3000 visitors, on all radio related topcs.
There are going to be three tracks, one of them on SDR topics.
The organizers are still
or papers will be required some time before.
I don't have deadlines yet, they will be issued soon.
If you are interested in contributing to this venue, please contact:
Peter Wehrle DL3PW
(Organizer UKW-Tagung)
Mail: refer...@ukw-tagung.org
Tel.: +49 178 1366781
Markus Heller, DL8RDS
(SDRA)
Mail
our website:
http://sdra.io
Here is the Programme. We are looking forward to meet many of you at
Friedrichshafen!
BR / vy73
Markus Heller, DL8RDS
Michael Hartje, DK5HH
>>>>>>>>>>>>>>>
FRIDAY 14.07.2017:
1600-1800 Marcus Mueller, Ettus, and Bastian
Please consider the SDRA website: http://sdra.io
Best Regards / vy73
Markus Heller, M.A., DL8RDS
Prof. Dr. Michael Hartje, DK5HH
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Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
of a system that can be demonstrated on-site at the
conference.
Papers should be formatted using the IEEE A4 templates:
http://www.ieee.org/conferences_events/conferences/publishing/templates
.html
Organization
* Prof. Dr. Michael Hartje, DK5HH
* Markus Heller, M.A., DL8RDS
Dear Misko,
I think, English is not a problem in the Linux community.
Please submit your proposal through the web form.
vy73
markus
dl8rds
Am Donnerstag, den 27.10.2016, 19:56 +0200 schrieb Miroslav Skoric:
> On 10/27/2016 05:27 PM, Markus Heller wrote:
>
> > Dear lists,
> >
Dear lists,
I would like to forward a Call for Talks to you.
On March 11/12 2017, there will be the "Chemnitzer Linux-Tage" here in
Germany. The organizers (among them also HAMs) would like to see some
SDR / GNURadio related talks.
Talks may be 25, 50 or 75 minutes in length, but also as a 3
will take place 14.-16. July 2017, thus the SDRA will
be on July 15.
In summary, it was a great event, enjoy the vidos, and see you next
year!
vy73
Markus Heller
dl8rds
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Discuss-gnuradio@gnu.org
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10:00 hrs.
Please check the details at:
http://www.sdra-2016.de/
Here is the programme:
>>>>>
1000-1010 Introduction
Prof. Dr. Michael Hartje, DK5HH and Markus Heller, DL8RDS
1010-1040 From my Microphone to the Ether – An example-based
introduction to SDR
Marcus Müller, E
kus
dl8rds
Am Mittwoch, den 30.03.2016, 21:32 +0200 schrieb Daniel Pocock:
>
> On 30/03/16 21:23, Markus Heller wrote:
> > Hi Daniel,
> >
> > let me organize something. I guess we'll arrange an informal SDR &
> > GNURadio dinner after the SDRA somewhere in the ci
Hi Anton,
please check the presentation of Martin PA1SDR:
https://www.youtube.com/watch?v=hulDwYB7-JI
vy73
markus
dl8rds
Am Donnerstag, den 05.05.2016, 22:28 +0300 schrieb Anton Debner:
> Hello everybody!
>
>
>
> My name is Anton Debner and I’m an Information Technology student from
> Aalto
of. Dr. Michael Hartje, DK5HH and Markus Heller, DL8RDS
Introduction
1010-1040 Marcus Müller, ETTUS
From my Microphone to the Ether – An example-based introduction to SDR
1040-1105 David Minchin, VK5KK
An update on the mcHF SDR Transceiver and Microwave SDR
1105-1130 Gerald Youngblood, K
Hi Daniel,
let me organize something. I guess we'll arrange an informal SDR &
GNURadio dinner after the SDRA somewhere in the city, with the SDRA
speakers and all GNURadio folks. Of course it will be open to all open
source people.
I'll let you know as soon as I have news.
br
markus
Am
Dear list,
the SDRA-2015 recordings are available now, with gratutude to Mika
Kjellman who did the cutting.
Here is the SDRA 2015 website: http://www.sdra-2015.de
Here is the playlist, covering the entire day in the according sequence:
Organization
* Prof. Dr. Michael Hartje, DK5HH
* Markus Heller, M.A., DL8RDS
* Klaus Kaiser, DB3TK
* Ulrich Neumann, DF4QC
Senior Programme Committee
* Prof. Dr. Michael Hartje, HS Bremen, DK5HH
* Prof. Dr. Michael Niemetz, OTH Regensburg, DG2RAM
* Prof. Dr.
+0100 schrieb Daniel Pocock:
>
> On 09/03/16 10:31, Markus Heller wrote:
> > Hi everybody,
> >
> > I'm still waiting for some information so that I can send out the
> > official Call for Papers for this year's
> >
> > Software Defined Radio Academy
> &
Hi everybody,
I'm still waiting for some information so that I can send out the
official Call for Papers for this year's
Software Defined Radio Academy
at HAMRADIO Friedrichshafen, 25.06.2016.
Please consider this mail as some kind of infofficial, in advance
invitation!
We're looking for
you can start to detect the delta time of the pulses, but please also
consider the usual staggering of about 8% in Delta t.
interval times are definitely not constant in order to allow to
distinguish between second time round signals that fall into the next
pulse period, i.e. which come from
Hi Ron,
Michael Kuhne DB6NT started with HAM products a few decades ago. They
were so good in quality that they were used by commercial customers. So
he set up his company. Today he makes his money with commercial
customers bus has not forgotten his roots. DB6NT is really cool.
And he's also
Has anybody tried to implement the WSJT line of signal processing
algorithms in GNURadio? In fact it could be quite interesting not just
to use Joe K1JT's programs but to play around with his great signal
processing ideas.
And I guess it could make sense to re-use his algorithms for other
hese areas.
>
>
> Finally, in terms of the math and signal theory, I think that one
> can’t expect “something for nothing”. gnuradio is a powerful tool,
> but you need to know a bit about fundamentals in order to know how to
> use it. You don’t need a Ph.D., but you do have t
st73
markus
dl8rds
Am Samstag, den 26.12.2015, 15:34 -0500 schrieb Tom Rondeau:
> On Thu, Dec 24, 2015 at 7:06 PM, Markus Heller <hel...@relix.de>
> wrote:
> Hi there,
>
> I'm very sorry that I cannot join this FOSDEM. I'd love to,
> but I
Hi,
yes, what Ralph said is very true. The real strength of the USRP series
is it's high sampling speed. I own the USRP2, which is already around 5
years old and already did 100 MS per second, but it was rather expensive
at that time.
You can get much cheaper SDR hardware today such as the
Hi there,
I'm very sorry that I cannot join this FOSDEM. I'd love to, but I must
travel to see an old friend of our family who is seriously ill - I
promised to visit him end of January.
I'd like to contradict to Martin's observation. Last year's FOSDEM
clearly showed that around 80% of the
Hi,
I see quite a lot of activity. Last FOSDEM brought me the insight that
about 70% of all participants in the GNURadio section hold a callsign.
When I asked the audience who had a callsign, I also initially expected
just a couple of hands up, but the result was overwhelming.
I guess the
the rtlsdr stick for a while and there were no audio
underruns today.
Let me observe some more time and I will come back on this if I have new
insights.
best73
markus
Am Dienstag, den 22.09.2015, 21:28 +0200 schrieb Markus Heller:
> Hi Marcus,
>
> I have been reading from you more f
re detail,
>
> Best regards,
> Marcus
>
> On 22.09.2015 18:34, Markus Heller wrote:
> > Hi,
> >
> > playing around with my RTLSDR stick (RTL2832U / Rafael Micro R820T
> > tuner) I observed that whenever the reception (signal quality) is bad, I
> > am
no, there is no squelch
73s
markus
Am Dienstag, den 22.09.2015, 10:56 -0700 schrieb Martin Braun:
> Do you have a sqelch anywhere in your flow graph?
>
> M
>
> On 22.09.2015 09:34, Markus Heller wrote:
> > Hi,
> >
> > playing around with my RTLSDR sti
Hi,
playing around with my RTLSDR stick (RTL2832U / Rafael Micro R820T
tuner) I observed that whenever the reception (signal quality) is bad, I
am getting Audio Underruns and glitches in the accoustics.
How can that happen? I always thought the sample rate was constant? When
designing the
Great! Thanks! I'm very curious!
br/vy73
markus
dl8rds
Am Freitag, den 31.07.2015, 14:34 -0700 schrieb Chris Kuethe:
OK, I have a mostly working flowgraph and am now adding comment to all
the blocks explaining why I'm doing this or that. Will publish tonight
or tomorrow.
On Tue, Jul 21,
Dear list,
I'd like to understand how to receive the 2m band as one wideband input
(144-146 MHz) and afterwards split the sample stream into various
channels (relay inputs, relay outputs for various relay frequencies).
I do know how to receive all of the 2m band, but I don't know how to do
the
Dear Iluta,
in SDRA we don't have a specific talk on extraterrestrial radio
applications, but the entire HAMRADIO event is on Space Applicatons.
So it depends on which event you plan to attend.
Generally you can say that the entire event is a lot of fun and allows
people to bring their own
Dear List,
please note that the programme of the SDRA-2015 is now complete.
http://www.sdra-2015.de/pages/programme.html
We have also finalized the timetable now.
I'll be happy to welcome many of you at Friedrichshafen! The SDRA will
take place on June 27.
vy73
markus
dl8rds
Dear List,
the programme of the Software Defined Radio Academy on June 27 2015 in
Friedrichshafen (sub-conference to HAMRADIO) is almost complete. But it
is already now so interesting that I don't want to wait any longer and
present the list of talks to you:
Dear list,
excuses for repeated posting. Two weeks before abstract submission
deadline I'd like to direct your attention to the
Software Defined Radio Academy 2015 in Friedrichshafen (HAMRADIO
subconference)
http://www.sdra-2015.de/pages/call-for-papers.html
Please feel invited to submit
/templates.html
Organization
* Prof. Dr. Michael Hartje, DK5HH
* Markus Heller, M.A., DL8RDS
* Klaus Kaiser, DB3TK
* Ulrich Neumann, DF4QC
Senior Programme Committee
* Prof. Dr. Michael Hartje, HS Bremen, DK5HH
* Prof. Dr. Michael Niemetz, OTH Regensburg
Hi Patrick,
I bet Thomas (DL9SAU) will be there:
http://www.chaoswelle.de/Benutzer:DL9SAU
and I bet, the Deutscher Amateur Radio Club will be present there.
Thomas is head of the DARC district of Berlin. He's also a CCC
representative, afaik.
br
Markus
dl8rds
Am Donnerstag, den 07.07.2011,
Dear list,
I also purchased a USRP2 for one very important reason. I am a HAM radio
operator (DL8RDS), but I see that this device will open up a completely
new field of technology.
I didn't want to run predefined experiments such as those you can do
with SoftRock or Perseus kind of tools, but I
Same with me. Was was just able to modify the original card. Duplicating
the card didn't work. I ripped it with dd and tried to copy the image to
another sd card, but without success.
A spare card in reserve would be really nice.
BR
Markus
DL8RDS
Am Sonntag, den 14.11.2010, 12:11 -0500 schrieb
the u2_flash_tool.py from here:
http://www.mail-archive.com/discuss-gnuradio@gnu.org/msg20924.html
Everything works fine now!
BR 73s
Markus
DL8RDS
Am Freitag, den 12.11.2010, 04:15 +0100 schrieb Markus Heller M.A.
(relix GmbH):
Hi Marcus,
I guess this is the reason because nothing seemed to work. Just
Dear list,
I got the LFRX / LFTX boards to work, but my WBX board will not work at
all. I can neither receive the slightest bit nor transmit.
The simplest FFT experiment does not show anything.
How do I start to diagnose how it works?
BR
markus
dl8rds
USRP2 firmware you'll need the firmware image that
supports the WBX. I'd you're using UHD it should just work
--
Principal Investigator
Shirleys Bay Radio
Astronomy Consortium
http://www.sbrac.org
On Nov 11, 2010, at 8:47 PM, Markus Heller M.A. (relix GmbH)
hel...@relix.de
Hi Steve,
on my webpage I collected a number of receive and transmit flowgraphs
for all sorts of modulations, but also FM:
http://www.dl8rds.de/index.php/GNURadio_and_USRP2
I also own the USRP2 and the WBX board and I am testing them step by
step.
Please also consider these documents:
/03/2010 11:11 PM, Markus Heller M.A. (relix GmbH) wrote:
Hi Marcus,
great, now I know what was wrong. I didn't expect my dummy load to be so
safe. It was a real signal lock :-)
For all the others, here's a short experiment report:
Here are the parameters:
* Sample rate 200k
I kindof have a similar problem. Guess I havent understood this yet.
I want to generate a very basic signal at 10.00 MHz. A little up or
down is not relevant, but I want to hear a signal at all. I have a very
sensitive HF receiver right next to my dummy load, so that should work
with a very
Mittwoch, den 03.11.2010, 22:46 -0400 schrieb Marcus D. Leech:
On 11/03/2010 06:57 PM, Markus Heller M.A. (relix GmbH) wrote:
I kindof have a similar problem. Guess I havent understood this yet.
I want to generate a very basic signal at 10.00 MHz. A little up or
down is not relevant, but I
Hi Rachel, this looks like a system overload. The source generates too
much data so that the cpu will not leave any cycles for the rest of the
application.
In the category misc there's a block called throttle. Use it before
the FFT block. It will reduce the number of samples that will go into
Dear community,
I'm looking for a HOWTO that describes how to get the WBX/USRP2 up and
running in a basic application. I already got the LFRX board
operational, but I'm not sure hw to do the same with the WBX.
Thanks ahead
Markus
DL8RDS
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