[aprssig] HackRF as SDR for ham use?
ko6th.greg at gmail.com
Sun Aug 3 00:00:05 EDT 2014
Non-Ham related question... Professionally, I work in the Wi-Fi area,
and was also interested in being able to use the HackRF for capturing
and decoding Wi-Fi traffic, as well as getting a better look at the RF
environment (spectrum analysis). Can this be done with the available
Sounds like a really interesting and fun conference!
John Gorkos wrote:
> I'm at BlackHat right now, and just finished the first day of classes,
> hands on, with Michael Ossmann and the HackRF. I've barely had any time
> with it at all. It has extremely low transmit power, and is classified
> as "test equipment" to avoid all of the FCC legalities for type
> certification. I can tell you I've gotten 20MHz of bandwidth samples
> out of it, into a Linux VM on my MacBook pro, and it seems to be pretty
> slick. Tomorrow will be more hands on with the device, and a LOT of
> time in GnuRadio. Obviously, based on the fact that we're at BlackHat,
> most of the concentration is on security and penetration. Things like
> finding unknown signal types in a very large chunk of spectrum, then
> locating and identifying those signals.
> BTW, Michael is a real genius at explaining SDR techniques and the math
> behind them. At the beginning of the class, he passed out little green
> plastic slinkys with his company logo on them. Today, about halfway
> through the afternoon session, he used the slinkys to explain how a sine
> wave and cosine wave look the same, depending on whether you're looking
> at them from the imaginary or real number point of view, and that the
> slinky represents the longitudinal axis of time extending out of the
> paper, as you plot complex numbers on a two axis system. Freaking
> brilliant. If you ever get the opportunity to go to one of his
> classes, you'd be a fool to decline.
> I'll try to provide more info about the device tomorrow. I'm mentally
> and physically drained after a day of complex math.
> John Gorkos
> On 8/2/14, 6:13 PM, Greg D wrote:
>> Hi folks,
>> I see there's a new SDR receiver being built for the "hacker"
>> community: http://hakshop.myshopify.com/products/hackrf
>> They claim it's compatible with SDR#, so I wonder how well it will work
>> for the variety of digital ham radio purposes? It's a little pricy, but
>> claims to cover 10mhz to 6 ghz, so that would cover through our
>> 5.65-5.925ghz allocation. I don't know what the bandwidth is.
>> Greg KO6TH
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>> aprssig at tapr.org
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