[time-nuts] Ideas for a long-wave receiver sought

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jun 22 08:14:41 UTC 2009

In message <38553AAD-ECC6-4AF8-90B3-42BBEC366CA6 at msys.ch>, Marc Balmer writes:

>I want to build a small, cheap, yet precise long-wave receiver which  
>can be
>tuned from the computer in the 2KHz - 200 KHz range (the intended use
>is to receive various time signal stations).
>Does a chip for such a receiver exist?  Should I take the SDR route?
>I designed a DCF77 receivers some years ago, but I need something
>more flexible (and a bit more modern...)


There are ARM7 chips now that have sufficient ADC quality  to do the

See for instance: http://phk.freebsd.dk/AducLoran 


Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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