[ntp:questions] Re: refclock WWV on freeBSD 5.3

David L. Mills mills at udel.edu
Thu Dec 23 21:09:19 UTC 2004


David,

Any time I see 255 in the AGC value, I'm really suspicious about a 
mismatched audio level problem. I suspect something is broken in the 
audio interface, cabling or level setting.

Dave

david.margrave at gmail.com wrote:

> okay, I made on minor mistake.  The system default ntpd was still
> sitting in /usr/sbin, and that is the one that complained 'refclock 36
> unsupported'.
> 
> The 'port' version at /usr/local/bin/ntpd, which I had to hand-edit the
> config for, seems to be working.  I don't have a timecode yet since
> WWV10 is down in the crud at the moment, but at least something appears
> to be happening with the refclock:
> 
> 53361 85921.438 127.127.36.0 wwv8 2 255 WV15 0     1   8.4 14534  1680
> 14534
> 53361 85921.438 127.127.36.0 wwv8 2 255 WH15 0     1   9.6 234625  1680
> 234625
> 53361 85981.430 127.127.36.0 wwv8 2 255 WV15 0     2   8.6 362054  7280
> 362054
> 53361 85981.431 127.127.36.0 wwv8 2 255 WH15 0     3   9.9 203900  7280
> 203900
> 
> I hope to get freeBSD working to do a side-by-side comparison.  On my
> linux machine it has worked okay but hasn't been reliable.  The
> throttling of the audio input level has never really worked.  ntpd
> ratchets it up to 100% and leaves it there, regardless of what I set
> the volume on my receiver ($50 ramsey WWV kit radio).
> 




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