Re: Brief Signalling failure at Camberwell

[Andrew Price <aprice@mail.dotcom.fr>]

On Sat, 14 Apr 2001 17:26:44 GMT, Mark Bau <markbau@earthlink.net>
wrote:

[---]

>We do use a lot of A.C. but only so we can get different frequencies such as
>code transmission through the rails. Is there anything like "Electrocode" in
>Australia?

As far as I can recall, coded track circuits of this type have been in
use in parts of Australia since the early 1960s.

Hamersley Iron uses Microtrax track circuits.