[OSM-talk] [talk-au] US to spend $8bn upgrading GPS constellation

[Ian Dees]

On Wed, May 26, 2010 at 6:37 PM, John Smith <deltafoxtrot256 at gmail.com>wrote:

> On 27 May 2010 09:21,  <nicholas.g.lawrence at tmr.qld.gov.au> wrote:
> > Why would a parking meter need a GPS? It doesn't move around.
>
> Same reason banking, the timing source, although surely NTP would be
> good enough,


NTP requires a relatively low and stable latency value on your internet
connection. Cellular modems of all sorts are both expensive and have none of
those qualities.
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