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Re: ORTA


"Dave Proctor" <daproc@spambait.ozemail.com.au> wrote in message
> "avachat" <avachat@dingoblue.net.au> wrote in message
> > No disresprct to you KB but the last thing any rail or bus worker
> > needs is for their or ORTA radio frequencies published so as
> > hoax radio messages can make their work environment
> > less safer than it is now.
>
> Why? Any safety critical messages would be passed via secure radio, and
only
> non-critical stuff would be passed via non-secure radio. This is why
> authority to pass signals at stop cannot be given via radio but only by
> telephone (although not sure if the new radio system allows for this).

Verbal authority to pass a signal at stop can be given over the Cityrail
radio.