[time-nuts] 75Z vs 50Z for GPS receivers (was Re: ACE-III GPS receivers (Dr Bruce Griffiths))
phk at phk.freebsd.dk
Sun Jan 28 06:19:42 EST 2007
In message <45BC85F5.8010708 at xtra.co.nz>, Dr Bruce Griffiths writes:
>93 ohm RG62 cables with BNC connectors are not unknown, they were used
>in some nuclear instrumentation.
>I have a few of these lying around.
93 Ohm: IBM 3270 terminal cabling
75 Ohm: Practically all telecoms
50 Ohm: Thin ethernet.
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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