Hello Roy.

04 Sep 03 20:01, you wrote to Tom Walker:

 RT> Need?  No.  About the only application I can think of that I'd *like*
 RT> one for would be mapping,  maybe with GPS added,  in a vehicle.  And
 RT> that'd still fall into the "neat toy" category,  for the
time being.

A decent (D)GPS unit can store quite a bit of data and usually has a
serial, USB, or PS2 connection
for dumping data onto a PC later.  You wouldn't need an onboard computer
for this idea.  If continuously logging then you're dealing with 256 bytes,
if I recall correctly, every four seconds. Most of the error would be in
elevation unless you're driving really, really fast.  Usually the price for
a good reciever and antenna is less then the price of a cheap new laptop. 
Given you're in North America you should have little problem picking up a
differential signal so a DGPS jubber would be worth the extra coin.  You
don't need a laptop to collect good xyz data.  The money you save by not
buying a laptop put towards a quality DGPS antenna and reciever and you'd
be ahead of the game.

Maurice

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