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 Forum index » Advanced Topics » Hardware
Software Defined Radios SDR-RTL
Moderators: Flash, Ian, JohnMurga
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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Mon 01 Jul 2013, 09:55    Post_subject:  Software Defined Radios SDR-RTL  

Since this thread http://www.murga-linux.com/puppy/viewtopic.php?p=711058#711058 has been marked (Abandoned) I am starting a new one.

Here are a couple links to SDR=RTL on Linux which may be helpful:

http://napan.ca/ghpsdr3/index.php/Main_Page

http://sdr.osmocom.org/trac/wiki/rtl-sdr

NOTE: There is a upup Raring 3.9.9.1 specific discussion of these devices here:
http://www.murga-linux.com/puppy/viewtopic.php?p=717449#717449

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Mercedes350se

Joined: 16 Apr 2008
Posts: 635

PostPosted: Tue 02 Jul 2013, 02:52    Post_subject:  

edoc, Great to see you are still interested in SDR-RTL

Did you ever get it working? If yes what are you using - hardware and software?
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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Tue 02 Jul 2013, 10:19    Post_subject:  

I'm wrestling with UEFI on a HP Pavilion g7 at the moment.

I have a combo RTL-SDR & HF converter all packed into the original RTL-SDR shell on the way.

Once that arrives I will begin testing.

I need to sell my separate RTL-SDR stick and Ham-it-Up HF converter if you know anyone who is looking.

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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Sat 06 Jul 2013, 20:13    Post_subject:  

My tri-band device arrived ... now to sort out how to get it to play nicely with Linux ...

BTW:

gnuRadio 3.7 just released:
http://gnuradio.org/redmine/projects/gnuradio/news

I'm trying to determine if this might work:
http://gnuradio.org/redmine/projects/gnuradio/wiki/Hardware

Would an app designed for the FuncubeDongle be likely to work?:
https://www.cgran.org/wiki/FuncubeDongle

Osmo?
http://sdr.osmocom.org/trac/wiki/rtl-sdr
https://sites.google.com/site/embrtlsdr/

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edoc


Joined: 07 Aug 2005
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Location: Southeast Georgia, USA

PostPosted: Sat 06 Jul 2013, 20:34    Post_subject:  

And more ...

http://www.sm5bsz.com/linuxdsp/hware/rtlsdr/rtlsdr.htm Linrad & Linux

http://www.thepowerbase.com/2012/06/getting-started-with-rtl-sdr/

and more ...

http://www.sdrsharp.com/ (Apparently requires "dot net", whatever that is.)

and more ...

http://www.rtlsdr.org/softwarelinux

and more ...

http://www.oz9aec.net/index.php/gnu-radio/gqrx-sdr

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Don't google Search! http://duckduckgo.com
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Mercedes350se

Joined: 16 Apr 2008
Posts: 635

PostPosted: Sun 07 Jul 2013, 03:07    Post_subject:  

Well, I am back to where I was Jan. 2012. There was a save file issue, machine froze and everything gone!

Moral: Make sure I have an up to date save file safely stored somewhere.
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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Sun 07 Jul 2013, 14:37    Post_subject:  

I'm so sorry to hear that!

I don't have a good back-up discipline either but it's more like a few weeks vs several months.

Hopefully the links I just posted will help us all together to get these devices working in Puppy.

73, David KD4E

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edoc


Joined: 07 Aug 2005
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Location: Southeast Georgia, USA

PostPosted: Mon 08 Jul 2013, 09:48    Post_subject:  

One more helpful site for ideas: http://www.hamradioscience.com/
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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Fri 02 Aug 2013, 23:03    Post_subject:  

This site:

http://jeffskinnerbox.wordpress.com/2013/07/08/gnu-radio-and-gqrx-sdr-receiver/

... prompted me to look for gnuRadio in my updated Puppy Package Manager in upup raring 3.9.9.1 on my Panasonic Toughbook CF-29 (32-bit)

I allowed it to download the bazillion dependencies ...

It, of course, was missing some (only two at this step):

Quote:
libboost_program-options1.49.0
libboost-thread1.49.0


... so I downloaded those ...

PPM said it was updating the Menu but even after a reboot gnuradio didn't show up in the menu.

Bulldog File Finder located in home:
Quote:
/initrd/mnt/dev_save/gnuradio/build-gnuradio1
/initrd/mnt/dev_save/gnuradio/build-gnuradio


pfile finder found tons of files ... so I copied gnuradio-grc.desktop to the desktop and clicked and ... nothing happened.

So, anyone else want to try this and explain to me what I am missing, please?

Thanks!

Oh, I also spotted this Ubuntu gqrx SDR install page:

https://www.saturnwiki.com/wiki/index.php?title=Building_gqrx_ubuntu_12.04LTS

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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Fri 02 Aug 2013, 23:45    Post_subject:  

Continuing at this site ...

http://jeffskinnerbox.wordpress.com/2013/07/08/gnu-radio-and-gqrx-sdr-receiver/

Quote:

(executable located at /usr/local/bin/gnuradio-companion). GNU Radio Companion (GRC) is a graphical tool for creating signal flow graphical models and generating Python source code for the model created.


In Puppy it is located at /usr/bin rather than /usr/local/bin

It did not respond ... then I remembered that I had not set the devx SFS to load at boot ... so I did so and rebooted.

Still no response ...

I tried a symlink in /usr/local/bin ... no joy.

What might I be missing, please?

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splot


Joined: 03 Aug 2012
Posts: 35

PostPosted: Sat 03 Aug 2013, 02:36    Post_subject:  

We seem to be travelling at the same speed with this, but stumbling into different potholes.

My issue with GnuRadio is that I don't know how to add Python to the PATH.

Quote:
Cannot import gnuradio.

Is the python path environment variable set correctly?
All OS: PYTHONPATH

Is the library path environment variable set correctly?
Linux: LD_LIBRARY_PATH
Windows: PATH
MacOSX: DYLD_LIBRARY_PATH


Also dmesg says that there is a driver or something missing, altho I can't find anything online about a driver for this.

Quote:
[ 43.821286] usb 2-2: new high-speed USB device number 3 using ehci-pci
[ 43.957274] usb 2-2: New USB device found, idVendor=0bda, idProduct=2838
[ 43.957287] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 43.957295] usb 2-2: Product: RTL2838UHIDIR
[ 43.957302] usb 2-2: Manufacturer: Realtek
[ 43.957308] usb 2-2: SerialNumber: 00000001
[ 44.139263] usb 2-2: dvb_usb_v2: found a 'Realtek RTL2832U reference design' in warm state
[ 44.139342] usbcore: registered new interface driver dvb_usb_rtl28xxu
[ 44.204232] usb 2-2: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer
[ 44.204262] DVB: registering new adapter (Realtek RTL2832U reference design)
[ 44.208794] usb 2-2: dvb_usb_rtl28xxu: unknown tuner=NONE
[ 44.220947] usb 2-2: dvb_usb_v2: 'Realtek RTL2832U reference design' error while loading driver (-19)
[ 44.221968] usb 2-2: dvb_usb_v2: 'Realtek RTL2832U reference design' successfully deinitialized and disconnected


I have installed SDRadio, Quisk, and Me-TV.
SDRadio and Quisk work ok, but can't connect to the RTL.
Me-TV works great with another tuner stick that I normally use with VLC, but not with this one.

This device has an Elonix E4000 tuner, and I have loaded the e4000 module, but no go.
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Mercedes350se

Joined: 16 Apr 2008
Posts: 635

PostPosted: Sat 03 Aug 2013, 02:59    Post_subject:  

splot wrote:
..This device has an Elonix E4000 tuner, and I have loaded the e4000 module, but no go.


Note the module is kernel specific ...
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nooby

Joined: 29 Jun 2008
Posts: 10557
Location: SwedenEurope

PostPosted: Sat 03 Aug 2013, 04:52    Post_subject:  

I love that you guys care about such stuff. I am too noob
to get how to get things going and we are not allowed
outdoor antenna on the house.

Sad to read what did happen to you there Mercedes. Yes
I would need a better back up of savefile habit too.

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tlchost

Joined: 05 Aug 2007
Posts: 1727
Location: Baltimore, Maryland USA

PostPosted: Sat 03 Aug 2013, 05:11    Post_subject:  

nooby wrote:
I love that you guys care about such stuff. I am too noob
to get how to get things going and we are not allowed
outdoor antenna on the house.


There are lots of way you can use/have an indoor antenna...some folks have even loaded up bed springs. I used to have en end fed wire in the second floor of the house....it worked well for what it was.

Google stealth antenna for more ideas you may also find some stuff at
my site, http://www.zerobeat.net
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edoc


Joined: 07 Aug 2005
Posts: 4379
Location: Southeast Georgia, USA

PostPosted: Sat 03 Aug 2013, 08:25    Post_subject:  

Depending on the frequency - wire taped to the edges of the glass in a window may work - if the window frame is non-metallic & no metal in the screen.
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