Pic of the output from the QT GUI Frequency sink is shown below. I didn't see anything significantly different from this, even when I put the radio right up next to my home router.
I've been told that it would be a good idea to set a DC offset for my source, but I'm unsure how to calculate that, and it was working without an offset before. [image: image.png] On Mon, Aug 12, 2019 at 8:20 PM Müller, Marcus (CEL) <[email protected]> wrote: > Ah OK, but then it's *barely* enough for wifi. > > I meant that you attach a visual sink, for example the "Qt GUI > frequency sink" in GNU Radio directly to your HackRF-interfacing source > (probably the osmocom source?). > > Best regards, > Marcus > > On Mon, 2019-08-12 at 15:27 -0400, Eamon Heaney wrote: > > Do you mean with a spectrum analyzer? Forgive me if that's a dumb > > question, I'm a bit new to this. > > > > The max bandwidth of the HackRF One is 20MHz, so I should be able to > > receive data. > > > > On Mon, Aug 12, 2019 at 3:13 PM Müller, Marcus (CEL) <[email protected] > > > wrote: > > > I'd recommend looking at the spectrum you receive. Also, how does > > > receiving a 20 MHz wide channel with a HackRF work? Wasn't the > > > maximum > > > bandwidth of that lower? > > > > > > On Mon, 2019-08-12 at 15:10 -0400, Eamon Heaney wrote: > > > > Last week, I was able to capture wifi packets in the 2.4 GHz band > > > > (using a modified example from this repo), but now I am unable > > > to. > > > > I'm using the same .grc flowchart, with the sample rate and > > > bandwidth > > > > both set to 20 MHz, and the channel frequency of 2.412 GHz. > > > > > > > > Any idea why that might be? I was previously only able to receive > > > > signals with my phone right next to the HackRF antenna, but now > > > even > > > > that won't help. I tried putting it right next to my router, too, > > > but > > > > it still isn't getting anything. > > > > > > > > Thanks! > > > > > > > > _______________________________________________ > > > > Discuss-gnuradio mailing list > > > > [email protected] > > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > -- Eamon Heaney *Fleet Commander* *President, Model UN at Virginia Tech*
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