--------
In message <[email protected]>, Eric Scace writes:
> Frequencies around 15 Hz were common on early 20th century cables,
>depending on the degree of success in compensating for the inherent
>capacitance on a cable thousands of miles long surrounded by conductive
>sea water. Cable compensation is an entirely separate subject outside
>the scope of a time-nuts forum.
In 1924 a new "continuously loaded" submarine cable from New York
to Azores did indeed provide the expected transmission rate 1920
letters per minute:
https://archive.org/details/bstj4-3-355
It seems that people didn't really expect that, because it took a
couple of years to build terminal equipment which could exploit all
that bandwidth:
https://archive.org/details/bstj7-2-225
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
[email protected] | 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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