I use patched hackrf_transfeer that support ppm correction. Works just fine with gps spoofing.
Sendt fra min iPhone > Den 7. nov. 2016 kl. 23.14 skrev Adam Blanquart <ablanqu...@gmail.com>: > > Mark, > > The best ones you can find for a low price are, ironically, ones that are > synchronized via GPS. Of course, if you're working on spoofing GPS - that's > not going to help. The good news is that the HackRF can actually be > calibrated via software to increase the accuracy enough to fool _most_ GPS > devices. Check out Wang Kang's "kalibrate" for HackRF, it should help you > get up and running. Again, this will work for most GPS devices; phones can > be a bit trickier since they also use triangulation and crowd-sourced Wifi > mapping to establish location. > > If the software doesn't work out for you - the cheapest way is to attach a > more accurate TCXO directly to your HackRF. Check out Takuji Ebinuma's TCXO > modification- it's a part of his gps-sdr-sim project, which you can use for > the actual spoofing. I've made this modification to my hackRF and it works > great! I do have a portapack, however, and had to solder directly to the > bottom of the board. It still fits in the case :) > > As you are probably already aware, you need to VERY careful when spoofing > GPS, whitehat or not. It's become such an integral part of our lives that > messing with it can have serious consequences. I use a small antenna (linked > below) along with a 20dB attenuator. > > - Adam Blanquart (overflow) > > Kalibrate for hackRF > https://github.com/scateu/kalibrate-hackrf. > > gpr-sdr-sim > https://github.com/osqzss/gps-sdr-sim > > TCXO mod > https://github.com/osqzss/gps-sdr-sim/commit/d8eab7ede71168d131f3803d84d9bf8dbb34f4df > > Antenna > http://www.digikey.com/product-search/en?keywords=TS.07.0113 > > In-Line 20dB Attenuator: > http://www.digikey.com/product-search/en/rf-if-and-rfid/attenuators/3539493?k=H12150-ND > > That should get you going in the right direction (no pun intended). I got > into the SDR world because I was interested in GPS spoofing, so if you have > any other questions, feel free to give me a shout... > > > >> On Mon, Nov 7, 2016 at 11:00 AM, Mark Lachniet <m...@lachniet.com> wrote: >> Who knew it would be so obscure. I guess everyone is using nice desktop >> sized clock signal generators? >> >> I really want one that will run on 12v DC current if possible. Potentially >> to make a HackRF/Pineapple/TXCO clock combo that could run on the 12v of a >> car after I stuff it in the dashboard out of sight. Maybe even with a cell >> phone/CAM+OBDii add-on for remotely fiddling with car telemetry. It would >> be hilarious to prank someone so their car shuts down whenever they get near >> the local police department and then have their in-car GPS tell them they >> were at Starbucks or something. (white hat PoC of course, no I would never >> actually do this to anyone in production except maybe myself in an empty >> parking lot for yucks) >> >> -Mark >> >>> On 11/7/2016 12:10 PM, Kevin Maxson wrote: >>> I bought two of them. Neither worked. The seller didn't speak much English, >>> couldn't give me specs, couldn't tell me a pin out. They offered to refund >>> $8 of my $35. >>> >>> You want them? All yours. >>> >>> ./kevin >>> 📱 >>> >>> On Nov 7, 2016, at 10:58 AM, justin.broos <justin.br...@gmail.com> wrote: >>> >>>> Ebay, Amazon have one that ultimately ships from some Chinese >>>> manufacturer off of aliexpress / alibaba . The plug in module is $20 iirc. >>>> The description claims to output a 1ppm 10mhz source but no info about >>>> the tcxo is listed so who knows; I have equipment at work that could >>>> measure but don't have the knowledge of setting it up. If you do opt for >>>> this route, it would be interesting to know if the module works as >>>> advertised as I'm still on the fence to buy it . >>>> >>>> >>>> >>>> Sent from my T-Mobile 4G LTE Device >>>> >>>> -------- Original message -------- >>>> From: Mark Lachniet <m...@lachniet.com> >>>> Date: 11/3/16 13:04 (GMT-07:00) >>>> To: hackrf-dev@greatscottgadgets.com >>>> Subject: [Hackrf-dev] Current, reasonably priced external clock? >>>> >>>> Hello all, my apologies for asking a question that I know has been asked >>>> in months past, but it has been long enough that there might be new >>>> options, and some of the previous answers seemed more towards >>>> development than plug-n-play. >>>> >>>> I'm very new to SDR (and radio in general) and just learning the ropes. >>>> I was trying to do a PoC on the GPS spoofing using my HackRF and had >>>> limited success. I got my Nuvi to lock in randomly a little bit but no >>>> real love. I read that another person needed the external clock in >>>> order to get good results. I'd like to buy a simple and inexpensive one >>>> that is fairly plug-n-play. Can anyone recommend a specific model and >>>> vendor to purchase from that doesn't require such tasks as soldering? >>>> >>>> I've got a nice long list of other questions but as I'm new and ignorant >>>> I'll hold onto those for a while on the off chance I can figure them out >>>> and appear less needy in the long run :) >>>> >>>> Thank you for your time and consideration, >>>> Mark >>>> >>>> _______________________________________________ >>>> HackRF-dev mailing list >>>> HackRF-dev@greatscottgadgets.com >>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >>>> _______________________________________________ >>>> HackRF-dev mailing list >>>> HackRF-dev@greatscottgadgets.com >>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >> >> _______________________________________________ >> HackRF-dev mailing list >> HackRF-dev@greatscottgadgets.com >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> > > > > -- > ADAM BLANQUART | ablanqu...@gmail.com | > _______________________________________________ > HackRF-dev mailing list > HackRF-dev@greatscottgadgets.com > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
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