[time-nuts] Hanging bridge question

Bob Camp lists at rtty.us
Tue Mar 25 07:06:09 EDT 2014


Exactly correct, the sawtooth corrects for the hanging bridges. 

Since that’s what it does, sawtooth correction error is not totally random. Hanging bridges are not totally random. One looks like the other. Sawtooth correction errors can / will have hanging bridges in them.

If you are doing sawtooth correction, it’s best to do it with decent accuracy.


On Mar 25, 2014, at 3:27 AM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:

> In message <CACYeN9zf-UO1sCTCRMHSDPN4u=ye0xb9+x71eLxBnbT=Xgw+pA at mail.gmail.com>
> , Jim Miller writes:
>> I've spent a good part of the afternoon looking at all the plots, websites
>> and the few papers I could find mentioning the hanging bridge. As far as I
>> can tell as long as one is correcting for sawtooth there's nothing
>> additional to do about hanging bridges.
> The sawtooth correction *is* the correction for the hanging bridge.
> -- 
> 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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