[Hackrf-dev] HackRF-dev Digest, Vol 21, Issue 4

[Duane Snider]

Doug,

I agree with everyone needing examples.
That's why I posted my first success with the SDR-Radio setup: 
  
https://drive.google.com/file/d/0B7MvJu7FYuoJbHhKR3paUTlCYTg/edit?usp=sharing

Hopefully, we can get some more documentation for a quick start on one
of the GNU-radio live ISOs.

 - Duane


> Thanks greatly!
>
> I tried that boot disk and it, the disk, worked. 
> However, while I understand what it does and how to use it
> (it being Gnu Radio) I find the same problem with it that 
> bugged me horribly before I retired ... newbees need
> EXAMPLES. I taught Quantum Mechanics to chemists for
> decades and no matter how well you explained the theory,
> they needed a few examples that 100% went though things before they
> got the hand of it.
>
> I need the same for Gnu Radio. Where are the useful examples?
> Perhaps I should start with the Companion. I clearly can
> pick up the "text" coding if I can simply know what I need to
> connect up to get things done. Like an example ... using the
> HackRF and/or the DVB dongles ... like one that does ordinary FM radio
> at 101.1 MHz, one that does broadcast band or SW AM radio, and
> ones that display a spectrum with selectable frequency and 
> bandwidth (though I probably can figure that out).  I don't find those.
>
> I mean complete, not toy, examples. I found toys. You don't learn how to
> use things like GnuRadio with toys! You need big examples!
>
> Also ... can I put this file on a say 8 GB USB bootable key and then use the
> file system on the key to store projects? If so, exactly how?
>
> Finally ... exactly what is the frequency response of the HackRF
> SUPPOSED to be? That will allow a simple check, as SDR# does work,
> sort of. I.e. suppose I use a "hamitup" 0-30 MHz upconverter, so there is 
> a huge spike at 125 MHz.  (or set my synthesizer to 125). Bandwidth is set to
> say 10 MHz and 125 MHZ  is in the
> middle of the display.  I measue the amplitude. I move it 
> to 129 MHz (right of screen) and measure it. Then I move it to
> 129.95 (almost off screen) and measure. Then move to
> 131 (now at far left) and measure. Then 132, 133 ... up
> to 139. This plots the IF response, presumably. What SHOULD
> it look like at each bandwidth setting. 
>
>
> Doug McDonald
>
> From: Michael Ossmann <mike at ossmann.com>
> To: "McDonald, J Douglas" <jdmcdona at illinois.edu>
> On Wed, Sep 03, 2014 at 07:44:48PM +0000, McDonald, J Douglas wrote:
>> I tried that (PEntoo) twice, on two computers. It boots but fails when
>> "startx" is tried. Are there other programs that actually DO 
>> "just work"?
> There is a known bug with certain video cards that you're probably
> running into.  Fortunately a new Pentoo iso is going to be released
> within the next few days that should fix that problems.
>
> In the meantime, I suggest trying the latest test release of the GNU
> Radio Live DVD:
>
> http://downloads.gnuradio.org/releases/gnuradio/iso/gnuradio-test.iso
>
> This URL will probably only be good for about a day.  It is a test
> version.  A new release of the iso is planned to be done before the GNU
> Radio conference in a couple weeks.  I've verified the HackRF
> functionality in this test version.
>
> Mike
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