[time-nuts] Re: WWVB Antenna

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Mar 8 14:12:09 EST 2005

In message <029801c52412$50bb7180$0500a8c0 at darius.domain.actdsltmp>, "Bill Hawk
ins" writes:

>Interesting that they went from mechanical filter to crystal
>to LC with commercial inductors. Apparently tight filtering
>did bad things to the phase performance. That would not be
>noticed until oscillators stability improved.

Highly resonant filters pull the frequency towards their peak.

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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