AW: [time-nuts] Trimble Resolution T
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Nov 8 12:15:04 EST 2005
In message <20051108.101219.08320012.imp at bsdimp.com>, "M. Warner Losh" writes:
>In message: <000001c5e482$a3c475d0$14b2a8c0 at athlon>
> "Ulrich Bangert" <df6jb at ulrich-bangert.de> writes:
>: the complete technical information about the Resolution T including a
>: complete handbook can be downloaded from the Trimble pages. Having used
>: the Motorola binary protocol myself, i would judge the Trimble protocol
>: is more easy to implemement. However, it seems as if a lot of more
>: information is spread over a lot more telegram types compared to
>: Motorola binary.
>
>Some Trimble receivers talk multiple protocols. Going from one to the
>other, especially in an arbitrary way, can be frustrating to code up.
>Other than that, the packets seem to be 'about the same' as Motorola
>packets and the bundles you need may indeed be separated out
>differently than the M12+.
But Trimble still don't have a checksum, do they ?
--
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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