[Hackrf-dev] not so good experience for my first SDR

Chuck McManis chuck.mcmanis at gmail.com
Mon Apr 10 15:28:46 EDT 2017


Based on that picture, are you really trying to set the HackRF to a 32Mhz
sample rate? That won't work, but 10Mhz would (as would 20Mhz on relatively
modern computers).

--Chuck


On Mon, Apr 10, 2017 at 11:16 AM, mohammed hamoud alkindy <
mohammed at omantel.net.om> wrote:

> Got it now thanks, but yet to make it work, do not know what I do wrong
> see attached
>
>
>
>
>
>
>
> *From: *Dominic Spill <dominicgs at gmail.com>
> *Date: *Monday, April 10, 2017 at 9:38 PM
>
> *To: *Mohammed AlKindy <mohammed at omantel.net.om>
> *Cc: *"hackrf-dev at greatscottgadgets.com >> hackrf-dev" <
> HackRF-dev at greatscottgadgets.com>
> *Subject: *Re: [Hackrf-dev] not so good experience for my first SDR
>
>
>
> On 10 April 2017 at 11:25, mohammed hamoud alkindy <
> mohammed at omantel.net.om> wrote:
> >
> > Thank for quick response, I can see that with gqrx but what about when
> you execute  the block from gnuradio-companion I could not see a field for
> that!!!!
>
> It's a setting on the osmocom source block.  See the attached image.
>
> Thanks,
>
>   Dominic
>
> > From: Dominic Spill <dominicgs at gmail.com>
> > Date: Monday, April 10, 2017 at 9:21 PM
> >
> > To: Mohammed AlKindy <mohammed at omantel.net.om>
> > Cc: "hackrf-dev at greatscottgadgets.com >> hackrf-dev" <
> HackRF-dev at greatscottgadgets.com>
> > Subject: Re: [Hackrf-dev] not so good experience for my first SDR
> >
> >
> >
> > On 10 April 2017 at 10:47, mohammed hamoud alkindy <
> mohammed at omantel.net.om> wrote:
> > >
> > > Still trying to make my Hackrf work with gnu-companion but I have
> stupid question, how does the osmocom source block know that I am using
> hackrf-one?
> >
> > You can specify the HackRF that you wish to use in the "device
> arguments" field of the osmocom source block.  If you set it to "hackrf=0"
> it will use the first HackRF that it finds.  To specify a particular
> HackRF, replace the 0 with the serial number of the HackRF (found from
> hackrf_info).
> >
> > With no device arguments set, osmocom searches for devices that it
> supports in turn.  However, this currently triggers a segfault in libuhd on
> my system, so I always specify the HackRF in the device arguments field.
> >
> > cheers,
> >
> >  Dominic
> >
> >
> > > From: Dominic Spill <dominicgs at gmail.com>
> > > Date: Monday, March 13, 2017 at 11:11 PM
> > > To: Mohammed AlKindy <mohammed at omantel.net.om>
> > > Cc: "n0p [Luis Bernal]" <lbernal at gmail.com>, "
> hackrf-dev at greatscottgadgets.com >> hackrf-dev" <
> HackRF-dev at greatscottgadgets.com>
> > > Subject: Re: [Hackrf-dev] not so good experience for my first SDR
> > >
> > >
> > >
> > > On 13 March 2017 at 13:09, mohammed hamoud alkindy <
> mohammed at omantel.net.om> wrote:
> > > >
> > > > Yes I use gqrx and watched the lessons from greatscottgadgets. if
> gqrx could allow to introduce throttling I would hsve test it but could not
> see such feature
> > >
> > > What sample rate are you using?  Overruns are caused by the host
> system not keeping up with the amount of data being passed to it by the
> HackRF.  Try reducing the sample rate to see if things improve.
> > >
> > >
> > > > From: "n0p [Luis Bernal]" <lbernal at gmail.com>
> > > > Date: Monday, March 13, 2017 at 9:33 PM
> > > > To: Mohammed AlKindy <mohammed at omantel.net.om>
> > > > Cc: "hackrf-dev at greatscottgadgets.com >> hackrf-dev" <
> HackRF-dev at greatscottgadgets.com>
> > > > Subject: Re: [Hackrf-dev] not so good experience for my first SDR
> > > >
> > > >
> > > >
> > > > What software are you using? gqrx is a good choice to start playing
> with SDRs
> > > >
> > > >
> > > >
> > > > I also suggest you start by watching the GNURadio tutorial series by
> Mike Ossman:
> > > >
> > > > https://greatscottgadgets.com/sdr/
> > > >
> > > >
> > > >
> > > > 2017-03-13 17:50 GMT+01:00 mohammed hamoud alkindy <
> mohammed at omantel.net.om>:
> > > >
> > > > Hello SDR world, not so nice to start my posting in this mailing
> list with is kind of post, but when I got introduced to SDR I thought I
> will spend exciting evening to explore this new interest. But my experience
> is just ending with allot of OOOOOOOOOOOO or aUaUaUaU !!!! I read allot
> about what could be the reasons that is either the double clock or my sound
> card is not able to handle the sampling rates , etc…..but so far not able
> to solve the challenge. I just got my new MacBook Pro with good
> configurations and the sound card is configured to handle 44.1Khz. I did
> upgrade the Hackrf firmware to 2017-02-1 package. I am using gnuradio and
> my macport should take care of the updating to the latest ver. But again I
> do not seem to be able to hear even a simple FM station just noisy rains ☹
> > > >
> > > >
> > > >
> > > > Deeper insights will be really appreciated
> > > >
> > > >
> > > >
> > > > Mohammed alkindy
> > > >
> > > >
> > > > _______________________________________________
> > > > HackRF-dev mailing list
> > > > HackRF-dev at greatscottgadgets.com
> > > > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > HackRF-dev mailing list
> > > > HackRF-dev at greatscottgadgets.com
> > > > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> > > >
>
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