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Tuesday, November 2, 2010

UPDATE: The Great GPSr Experiment Stats














As you may have read in my recent post: And The Winner Is.... The Great GPSr Experiment
http://headhardhat-geocache.blogspot.com/2010/10/and-winner-of-hhhs-great-gpsr.html

We took a whole bunch of geocachers at a recent Flash Mob geocaching event and tested over 30 GPSr units to see how accurate they would be. The results were surprising and below is the tallied data.

Below shows the closest findings, which GPSr Unit and Model as they where found. As you can see there  was everything from GPSr handhelds, smart phones and car units.


Show Me The Numbers:


Geocacher GPS or GPS Phone Distance
Name Phone Model Application In Feet
Mhuska Garmin 60CSx
1
Blinky7 Garmin Etrex Legend
1.5
Billwof1 Garmin 60CSx
2
Tadabailey Garmin 60CSx
2
Parboy Delorme PN-40
2.5
Motrin Man Garmin 60CSx
2.5
Dream Chaser Garmin 60CSx
2.5
NCBiscuit Garmin 60CSx
2.5
Tadabailey Motorola Droid C:Geo 2.5
Billwof1 Garmin Etrex Vista C
3
Hunster Garmin 60CSx
3
Team Lightningbolt Garmin Etrex Legend
3.5
rwaldrop13 Garmin Etrex Venture HC
3.5
Binaryflow Garmin Oregon 300
4
Fheil Delorme PN-40
5
DewPoint52 Garmin 60CSx
6
Tezhodos Motorola Droid Columbus 7
Tezhodos Motorola Droid GeoBeagle 7
Joe Aiello Magellan Explorist GC
7
Zuni Garmin 60CSx
7
HHH Blackberry Curve Geocaching Navigator 7
fourtenner Garmin 60CSx
7.5
Mclem829 Garmin Etrex Legend
7.5
htomc42 Garmin 60CSx
8
Geoness Garmin 60CSx
8
Geoness Garmin Colorado 400t
9
DewPoint52 Garmin Nuvi 285w
9.5
HHH Garmin Etrex Vista
14
Mhuska Samsung Onwia 2 GC2 18.5
Motrin Man Garmin Nuvi 500
19
NCBiscuit Iphone 4 Geocaching App 24
Joe Aiello Samsung Droid Geocaching App 39



There will be a GeoSnippits video made for Michigan Magazine TV (RFDTV Network) shown later this year and a full blown GeoSnippits available on You Tube very shortly showing how to set up your own flash mob and everything that went on at our event as well. Stay tuned...

-HHH



GeoCache: I'm NOT Obsessed... Right?
http://headhardhat-geocache.blogspot.com/
-------------------------------------------------------
Twitter me at
@headhardhat

Please don't forget to visit our GeoSnippits Geocaching Tutorial Videos Website at
http://www.geosnippits.com

4 comments:

Nick said...

So what is the range of determining GZ?? Sorry I could not make it, Stuck in Nags Head! :)

HeadHardHat said...

Hi Nick,

For this experiment I was much more interested in the spread of flags and what GPS/Smartphone did what.

Ground Zero was determined when you had zero distance, and zero feet variance on the GPS. We had several geocachers who actually accomplished this. So it was a good day to test.

ontariocacher said...

Very very interesting. Especially the bottom 3 GPS devices.

Allan said...

This is a very interesting experiment. What would be better and give a more useful result would be to have more devices, and to be tested under tree cover or cloudy conditions.
Personally I use an HTC Desire 'phone and internet with C:Geo. I don't bother with co-ordinates, but a Google satellite map and C:Geo give me marks of where I am and where the cache is.
Take a look at surrounding buildings, and when it all lines up, just bend down and pick up the cache.

Allan01273
South East England