[time-nuts] Near-perfect chip for Loran-C frequency receiver

Poul-Henning Kamp phk at phk.freebsd.dk
Sat Jul 5 05:24:14 EDT 2008


In message <486F36C1.7080602 at xtra.co.nz>, Bruce Griffiths writes:

>Given the relatively large field strength (>100uV/m ??) for DCF77 in 
>Denmark perhaps a receiver with an optimised (for DCF77 or other LF 
>station) front end can do better.

I'm sure it can, but that is not the point of this project, as I
have tried to explain N times now.

>> I am happy tell you that NIST has taken great care to NOT inform
>> me, that they want to replace their very expensive high-end gear
>> with my <EUR100 gadget.
>>   
>Their commercial?? VLF receiver uses a chart recorder and may need 
>replacement eventually.

I'll be happy to help them, should they call, my hourly rates are
very reasonable.  However, I'm sure they can find more competent
assistence stateside.

>As there is the option of adding a high performance front end and 
>disabling the Loran-C code (where its not sensible/practical to use it), 
>then there will be much wider interest in this.

I'm not trying to get rich selling anything, so that doesn't give
me any reason to make thing more complicated than they have to.

-- 
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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