[time-nuts] Loran-C ICs

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Jan 2 21:24:39 UTC 2007


In message <459ACCD5.201 at pacific.net>, Brooke Clarke writes:
>Hi:
>
>I found a Loran-C circuit from 1984 done by Ralph Burhans that uses the 
>MC1350 Video-IF amplifier and the MC1357 Sound-IF amp and Quadrature 
>detector, but these are no longer available.  Does anyone know of 
>replacement parts?  The circuit appears in "Low-Frequency Receiving 
>Techniques, Building and Using VLF Antennas" a Gernsback publication.

Don't bother.  You will get much better results by putting an
A/D converter on the signal and spending a bit of CPU power.

(see http://phk.freebsd.dk/loran-c for inspiration)

-- 
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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