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GPS precision?

qoncept

Member
Does anyone know the precision rating on the Droid's GPS?

I'm looking for numbers, by the way. Not "pretty good."
 
The best i've gotten was 2 meters. I routinely will stay between 6 and 10 meters unless i'm in a building, which sometimes depending on the building will go to 16 meters, but it's quite accurate.
 
i only ever see my accuracy in two ways

in google maps depending on my zoom level and accuracy i get a small or large blue circle around my location indicating gps accuracy.

in Geobeagle i get the actual +/- rating letting me know accuracy
 
Mine stays within six meters, and can get as low as two. However, I'm visiting my girlfriend who lives in college dorms on the 5th floor. The GPS always shows me as being several blocks over from our actual location. Very odd.
 
to be fair... i do have little in the way of obstruction... living in Portage, MI.

I had some issues with my gps accuracy when i lived in L.A. more sats but more obstruction... its a balancing game.
 
I was out geocaching over the weekend using c:geo. My location didn't update at one point for about 15 minutes. I'm wasn't sure if it was the tree coverage or what.
 
it depends on conditions and Satellite signal with any GPS, it can range from 3 feet to 150 ft. for accuacry
conditions being signal strength, how many sat's are in range
and could be simplly how many trees in the area with leaves on them to block the Sat. signal, or clouds
so see there is no real answer it just depends on the siganal at the time!
I had to come back after reqding previous post there are a lot of wrong answers, I guess guys don't know how GPS works a lot, this phone does not show accuacry as a real GPS does , a real one will show accuacry in feet, this phone does not do that.
The circle mentioned as previous is not accuacry, but just how close the settings are in detail for viewing , the GPS is most likely not this accuarte at any time.
if you want to know accuacry at any time you need a real GPS that shows this on a detailed page
 
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ive had that happen once, and it was because of tree coverage. I use Geobeagle because i love using the radar function. the multiple steps to get a cache to show up in the app is a little annoying but i think c:geo is scrubbing Geocaching.com. Im not sure how much i like that yet... just started a new group for all of the geocahers here btw.

chart


Geocaching Group
 
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It all depends upon how many satellites you are receiving. The greater the number, the better the accuracy. The droid (or any satellite receiver) triangulates between the satellites and accuracy increases by reducing the errors that occur between the satellite and the receiver (denisty of air, etc...). So the best accuracy will be out over flat land with no overhead obstructions, but if you are in a building near a window and only pulling in one bird, it's going to be pretty far off. Maybe up to a hundred feet or so, but if you can pull in 15 or so satellites, it might be within 5 or 6 feet.
 
Well, I'm new to geocaching and I wanted an idea of how accurate it's going to be so I'm not walking circles around a random point because my GPS is off more than I think it is. I don't even know what I'm looking for (it got dark while I was looking for my first Saturday).

If GeoBeagle tells you it's accuracy, I'll have to try it. The fact that you have to download the gpx files in a browser and load them in to the app is pretty weak, though. And c:geo's interface was absolutely horrible.
 
I have recently heard of that, and thought it would be pretty interesting. I might look into myself. Any good websites that you can recommend?
 
I too use my Droid to geocache. At first I started out by taking the Magellan with me to check my accuracy, but the Droid via c:geo had me hitting each cache with no issues.

I live in Oregon and with all the trees, it can sometimes be a little rough and it requires me to be patient when in a heavily wooded area, but I still find the caches. But I have the same issues with the Magellan unit as well. Once I get within 18 feet, that is about all I need.

Geocaching.com has someone working on a Site Released App for Android phones. That should be available in the next month or so.
 
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