In case of a multilateration attempt, please consider this presentation: https://www.youtube.com/watch?v=Km4TU17b05s
vy73 markus dl8rds Am Donnerstag, den 17.08.2017, 01:52 +1000 schrieb vk4...@tech-software.net: > Are you trying to do MultiLateration using software defined radio ? > > > -----Original Message----- > From: Sylvain Munaut [mailto:246...@gmail.com] > Sent: Thursday, 17 August 2017 1:20 AM > To: b.shube...@sirinsoftware.com > Cc: vk4...@tech-software.net; GNURadio Discussion List > <discuss-gnuradio@gnu.org> > Subject: Re: [Discuss-gnuradio] Time syncing between SDRs on different > computers > > On Wed, Aug 16, 2017 at 5:11 PM, <b.shube...@sirinsoftware.com> wrote: > > What type of hardware? I thought from hardware point of view only > > precise clock is required and all the other things in firmware. I've > > naively thought i could modify hackrf firmware to get this feature. > > Mostly a FPGA and a PPS input from a GPS receiver. > > Each individual sample has a timestamp of when it has been received. > And you can also reset the timestamp on the next PPS edge. > > Technically it would be possible to modify the hackrf firmware and repurpose > some GPIOs and have all samples transmitted to the host be in timestamped > packets and implements timestamping in the on-board ARM. > For additional hardware you'd only need an external GPS receiver (or some > other way to have both a single freq reference + single sync pulse). > > Cheers, > > Sylvain > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
