GQRX - Airspy Mini - Linux Mint 20

[mbu...@gmail.com]

I'm trying to get my Mini running again like I had it running on Mint 19.3. I downloaded the .deb file and put it into Downloads. Double-clicked and it installed. I type gqrx into the terminal and I get this:

mikeb@mikeb-HP-EliteBook-8560p:~$ gqrx
qt5ct: using qt5ct plugin
qt5ct: D-Bus global menu: no
gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.8.1.0
built-in source types: file rtl_tcp rfspace soapy redpitaya
gr::log :WARN: file_source0 - file size is not a multiple of item size
Resampling audio 96000 -> 48000
BookmarksFile is /home/mikeb/.config/gqrx/bookmarks.csv
[ERROR] SoapySDR::loadModule(/usr/local/lib/SoapySDR/modules0.8/libairspyhfSupport.so)
  dlopen() failed: libairspyhf.so.1: cannot open shared object file: No such file or directory

But libairspyhf.so.1 IS there. Can anyone hellp? Thanks.

[Alexandru Csete]

Not sure which .deb file you are referring to... Anyhow, on any recent
Ubuntu or Debian based OS, first try the packages that you can install
through the package manager as there have been no updates recently.

Alex

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[Mike Bott]

I have an older HP Pavilion g series laptop, circa 2012 or so.  It's a
AMD A6-3420M with 8GB ram. It is/was maxed out on Windows 8.1 which
isn't really a bad OS. I've added the max memory that it will support
and keep it updated for remote use with a "portable" Wellbrook mag loop
set-up I put together. I've even picked up an extra laptop battery for
it.  The only issues are 1) no numeric keypad (an easy fix), 2) no
bluetooth (again an easy fix) and 3) the max display resolution of 1366x768.

Where Windows was limited on this machine, it will run the current Linux
Mint 20 without issue. However I have kept it at 19.3 for the easy GQRX
support that provides.  It is currently sharing SDR duties with my
dual-monitored Win10 desktop. It provides just another option for my
listening.

--
Mike

[Mark Campbell]

Hi. I am using gqrx on Linux Mint 20 with no problem with a rtl device. I installed with:  sudo apt-get install gqrx-sdr 

Try totally removing the package and installing this way.

[Robin Gape]

Mark,

given that Linux Mint 20 has a very small list of official packages, how
did you get GQRX (and GNU Radio &c.) to install? (I'm imagining that
you've added either some Ubuntu or some Debian repositories, or are such
repositories enabled as part of the installation?)

Thanks,

Robin, G8DQX (mostly Debian & Ubuntu user)

PS: Your advice is fundamentally very sound.

[Mark - Cambo]

Hi Robyn.
No repositories added.
Just - sudo apt-get install gqrx-sdr - as I said.
Version installed : This is Gqrx 2.12
Not sure if it's the latest, but it works fine for me.
I am using a DVB-T TV Stick. It's an rtl device.
It gives me approx. 24-980 MHz.
I am using Linux Mint 20 with all updates installed.
Regards
Mark VK3UA/5

--
CQ DX 10 de VK3UA

[Mike Bott]

I don't believe I've added any repositories to my LM20 system but GQRX
is in the Software Manager.

--
Mike

[Robin Gape]

Hi,

given that Mark has installed GQRX with no problems from the default repositories, the problem may be with the package that you downloaded and installed. For Mint 20, and Ubuntu 20.04, the repository version of GQRX is 2.12. The packaged version of libairspyhf.so. offers its library at /usr/lib/x86_64-linux-gnu/libairspyhf.so.1 (see https://packages.ubuntu.com/focal/amd64/libairspyhf1/filelist). The location given for the missing library is where, by usual default, locally compiled libraries would be placed. The irony is that libairspyhf is not necessary to run the Airspy mini.

The soapy version offered in the default repos is 0.7, yet GQRX is looking for something in version 0.8.

The simple answer to this confusion of versions (aka dependency hell) is to:

a) remove the gqrx-sdr package from your system (as previously suggested)

a') it may also be necessary to remove the locally compiled soapy 0.8 as well (though soapy major versions, such as 0.6 & 0.7 can generally co-exist)

b) install the package from the default Mint (really Ubuntu) repositories

c) run GQRX from the command line

GQRX should start up with something (taken from GQRX 2.11 on Ubuntu 18.04) similar to:

:~$ gqrx
linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown

Controlport disabled
No user supplied config file. Using "default.conf"
gr-osmosdr v0.1.x-xxx-xunknown (0.1.5git) gnuradio 3.7.11
built-in source types: file osmosdr fcd rtl rtl_tcp uhd plutosdr miri hackrf bladerf rfspace airspy airspyhf soapy redpitaya freesrp

d) examine the line built-in source types:… Confirm that airspy is present or not.

e) if airspy is present, then try selecting the dongle, hopefully for success.

HTH, 73, Stay Safe,

Robin, G8DQX

[Richard Bown]

I've posted several times there is a Airspy HF deb on my website which
uses gqrx2.15,

which is far as I know runs OK on LM20, its exactly the same as the SDR
Play one with the Airspy section enabled

looks like I wasted my time doing it :(

On 14/09/2020 12:02, Mike Bott wrote:
> I don't believe I've added any repositories to my LM20 system but GQRX
> is in the Software Manager.
>
--

Best wishes /73
Richard Bown

Email : ric...@g8jvm.com

HTTP : http://www.g8jvm.com

######################################################################

Ham Call: G8JVM . QRV: 50-432 MHz + Microwave
Maidenhead QRA: IO82SP38, LAT. 52 39.720' N LONG. 2 28.171 W
QRV 6mtrs 200W, 4mtrs 150W, 2mtrs 300W, 70cms 200W,
Microwave 1296MHz 110W, 2320MHz 100W, 5760MHz 10W & 10368MHz 5W
OS: Linux Mint 20 x86_64 , on a Dell Inspiron 3580 laptop
######################################################################

[Ian Brooks]

I don't know whether my experience with gqrx, airspy and the latest 20.04 versions of Ubuntu is relevant:

On upgrading to Lubuntu 20.04LTS , kernel version 5 was in use from the start. I installed gqrx and gnuradio, using the repository versions supplied with 20.04, but my Airspys still weren't recognised. It was then that I found the advice to install the missing libraries, libairspy and libairspyhf. The gqrx version I'm using is 2.12.1-1build2 and I don't remember it being updated since I upgraded to Lubuntu 20.04 from 19.10.

Regards, Ian Brooks.

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