GPS playback or simulation is *really* sensitive to underflows. If you have them, you're hosed. When playing back a GPS recording, I always read the file from a RAMdisk. SSDs (generally) and spinning disks just aren't fast enough usually, and sometimes your OS even gets in the way.
On Sat, Jun 23, 2018 at 6:58 AM Marcus Müller <marcus.muel...@ettus.com> wrote: > underruns mean your computer isn't fast enough at supplying samples to > the SDR device. > In other words, you can only solve that by optimizing performance of > you computer. You might need a better computer, or set up your computer > more efficiently; this might or might not be solvable by following the > windows-specific tips on http://files.ettus.com/manual/page_transport.h > tml#transport_udp > <http://files.ettus.com/manual/page_transport.html#transport_udp> . > Chances are you just need a faster computer. > > Best regards, > Marcus > On Sat, 2018-06-23 at 13:28 +0300, evans ryanada wrote: > > i have cloned gps-sdr-sim and i have taken all the steps towards > > achieving GPS simulated signals unfortunately upon typing this > > command prompt . My micro controller can receive simulated GPS > > signals. > > > > working environment > > Windows 8 > > Gnurado companion 3.7.11 > > > > On the command prompt it is displaying UUUUU this i understand this > > is all about underan > > how can i sort my problem > > _______________________________________________ > > 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 > -- Very Respectfully, Dan CaJacob
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