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Last night, I was wandering through the woods and found a mysterious little box. It was not a geocache, but it did prompt [livejournal.com profile] vespid_interest to mention geocaching as something I in particular would get a kick out of, which several different people have done over the years. Anyway, it made me curious:

[Poll #1414358]

Date: 2009-06-11 10:02 pm (UTC)
From: [identity profile] cuthalion.livejournal.com
Aha! Okay the iPhone lacks WAAS it turns out. So it can be less accurate than other GPSes, contrary to what I said above.

I remember those numbers from my old Garmin eTrex Legend (which is what I used for geocaching). Those do have WAAS support, but they also aren't very sensitive, and my experience was similar to yours, except I thought it was more fun than you seem to have.

I think the discrete increments of distance is probably due to the discrete number of satellites it had fixes on.

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