No, no, no. The single chip in this case is an AFSK decoder. You still have to have an ordinary HF AM radio.
> On Oct 29, 2016, at 11:21 AM, Chris Albertson <[email protected]> > wrote: > > Are you sure the single chip receiver is not itself an SDR? Maybe using a > little 8-bit uP inside? I don't know. > > In any case the jitter on the SDR depends on the sample rate clock. If you > use a decent audio interface the clocks are not bad. A little 4-pin crystal > oscillator controls the sampling. Compared to the propagation delay the > quality of that crystal is a not a big deal. > > On Fri, Oct 28, 2016 at 10:36 PM, Nick Sayer via time-nuts > <[email protected] <mailto:[email protected]>> wrote: > That single-chip version is going to have a *LOT* less (and less variable) > latency than an SDR. > > > On Oct 27, 2016, at 12:20 AM, Poul-Henning Kamp <[email protected] > > <mailto:[email protected]>> wrote: > > > > -------- > > In message <[email protected] > > <mailto:[email protected]>>, Nick Sayer via time- > > nuts writes: > > > >> If you’re in North America, a CHU receiver is a lot easier to make > >> than WWV/WWVH. The CHU timecode is just BEL 103 AFSK at 300 baud - > >> it was a one-chip solution 20 years ago when I made one in college. > > > > We have CPUs and sounds-cards these days... > > > > Also: The KiwiSDR is nearly perfect hardware, no matter which VLF/HF > > station you want: You can track GPS and four (possibly 8) VLF/HF > > stations at the same time. > > > > -- > > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > > [email protected] | TCP/IP since RFC 956 > > FreeBSD committer | BSD since 4.3-tahoe > > Never attribute to malice what can adequately be explained by incompetence. > > _______________________________________________ > time-nuts mailing list -- [email protected] <mailto:[email protected]> > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > <https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > and follow the instructions there. > > > > -- > > Chris Albertson > Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
