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Re: [Melb] POTS (Position of Trains System)

Subject: Re: [Melb] POTS (Position of Trains System)
From: "Dave Proctor" <daproc@sd5.mailbank.com>
Date: Tue, 16 Nov 1999 23:36:44 +1100
Newsgroups: aus.rail
Organization: Optus Internet
References: <80la4g$4lt$2@mulga.cs.mu.OZ.AU> <382E3E79.E7CB846B@primus.com.au> <Pine.SOL.3.96.991115132731.8169C-100000@minyos.its.rmit.edu.au> <80qfv1$krk$2@mulga.cs.mu.OZ.AU> <3830DC58.7F200683@primus.com.au>

Richard <richard_snook@primus.com.au> wrote in message
3830DC58.7F200683@primus.com.au">news:3830DC58.7F200683@primus.com.au...
> DOes the current system employ a true GPS system...ie train is tracked (no
pun intended) as per normal GPS to say within
> 10feet??

Isn't that DGPS (Differentil Global Positioning System)> GSP is only valid
to approx 20 metres or so. unless on the military band. There are ways
around this though (DGPS is one of them).

--
DaveProctor
thadocta AT dingoblue.net.au

Follow-Ups:
- Re: [Melb] POTS (Position of Trains System)
  - From: Jackson Harding <jaxsonjo@camtech.net.au>
- Re: [Melb] POTS (Position of Trains System)
  - From: Richard <richard_snook@primus.com.au>

References:
- [Melb] POTS (Position of Trains System)
  - From: cmgord@ecr.mu.oz.au (Christopher_Martin GORDON)
- Re: [Melb] POTS (Position of Trains System)
  - From: Richard <richard_snook@primus.com.au>
- Re: [Melb] POTS (Position of Trains System)
  - From: Gareth Lumsden at Minyos <s9763278@minyos.its.rmit.edu.au>
- Re: [Melb] POTS (Position of Trains System)
  - From: cmgord@ecr.mu.oz.au (Christopher_Martin GORDON)
- Re: [Melb] POTS (Position of Trains System)
  - From: Richard <richard_snook@primus.com.au>

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