which USB GPS device should I buy?

[tug williams]

Lennart Sorensen wrote:
> On Mon, Jan 04, 2010 at 04:18:40PM -0600, tug williams wrote:
>   
>> Yup - something like hiking trails. Accuracy is more important than price.
>>
>> The GPSCorrelate screenshot implies sub meter accuracy in altitude
>> measurements, which would be perfect - I want to map a sizable chunk of
>> land, but being able to know where each photo was taken would be worth
>> the cost and effort.
>>     
>
> One thing GPSs are NOT good at is altitude.  It was not designed to
> provide that with any kind of accuracy.  If you get +/- 100m you are
> doing well.  GPS is meant to provide position for latitude/longitude
> not altitude.
>
> This is why there are a number of hiking GPS units that have altimeters
> built in to get altitude.  It is much more accurate than GPS will ever be.
>
>   
Ok I think my question has become... Can anyone recommend a WAAS capable
hiking GPS with altimeter that talks to linux?

I've now added MEC to my list of shops to look at, and they seem to have
plenty to choose from. http://www.gpsbabel.org/ seems to support many
file formats.

Tug
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