The new refclock directive is implemented and documented
Eric S. Raymond
esr at thyrsus.com
Mon Jun 27 22:55:21 UTC 2016
Hal Murray <hmurray at megapathdsl.net>:
> esr at thyrsus.com said:
> >> hp58503a should probably be hpgps. It works for several devices.
> > OK. Can you enumerate some other devices so I can list them in the header
> > comment and on the driver page?
> The documentation already mentions the Z3801A. There are a lot of them in
> the ham/hacker community courtesy of the cell phone industry many years ago.
> I think these were the first GPSDOs available at recycled prices. The manual
> is available and makes a good read for background info on GPSDOs. There is
> lots of non-HP info available on the web.
> They are really old (GPS software says COPYRIGHT 1991-1995 MOTOROLA) so the
> GPS units aren't very sensitive.
> There are several other Z38xx versions available. There are usually a few of
> them on eBay.
> Recently, a batch of new Z3811/3812 two unit pairs appeared, also known as
> KS-24361. Lucent unloaded their stockpile.
Thanks, that was helpful. I've reverted to hpgps everywhere.
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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