[ntp:questions] What is a good, cheap, Linux-supported hardwareclock for a NTP-server? Any recommendations?

Terje Mathisen terje.mathisen at hda.hydro.com
Tue Oct 26 11:50:38 UTC 2004

Helmut Wollmersdorfer wrote:

> Terje Mathisen wrote:
>> Evert Meulie wrote:
>>> Hmm, according to http://www.neol.fr/uk/neoclock/ncarte.htm the 
>>> French DCF77 transmitter should give a better reception in (south) 
>>> Norway...
>> Except that this is a 162 instead of 77,5 KHz transmitter, with 2 MW 
>> instead of 50 kW transmission power.
>> Do you know about any cheap clock receiver for the french signal?
> I do not know such a cheap receiver/demodulator for TDF as they exist 
> for DCF/MSF (from EUR 10,- upwards). TDF uses an other modulation method 
> than DCF/MSF.

Seemed to be FM instead of AM, but that really doesn't change things too 
much. I.e. single-chip FM receivers are dirt cheap, but tuned for a 
totally different frequency area, so they cannot be reused directly.


- <Terje.Mathisen at hda.hydro.com>
"almost all programming can be viewed as an exercise in caching"

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