[talk-au] Mapping railway lines

John Henderson snowgum at gmx.com
Wed Oct 7 10:39:40 BST 2009

John Smith wrote:

> On one of the wiki pages it talks about something like this with
> European trains, and unless you get a GPS lock before boarding the
> train you most likely won't get one at all, however once you have a
> lock it's easier to keep it.

I've started using a amplified external antenna on my Garmin GPSmap
76CSx.  On the roof of the car it indicates ±2m accuracy unless there's
dense tree cover.

Depending on placement opportunities, maybe that'd improve reception and
accuracy in a train.

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