[GeoStL] Re: Perfection is hard to achieve
- From: Stephen Martin <faery_generic@xxxxxxx>
- To: geocaching@xxxxxxxxxxxxx
- Date: Wed, 02 May 2007 15:37:56 -0700
-
Google earth has issues with finding correct addresses for sure. I know of a
few caches where its zero in point was off from the cache hide. I think it is
probably as inaccurate as any gpsr
.
On Wednesday, May 02, 2007, at 04:04PM, "RNX" <_rnx_@xxxxxxx> wrote:
>-
>
>Does a= nyone have an opinion on the acuracy of Google Earth?
>
>If i c= an zoom in and see the cache location, place my pointer
>
>on tha= t point, can i assume that the designated coordinates
>
>are mo= re acurate than my GPSr's? I know there's still the
>
>error = of the finder's unit to be accounted for, but at least
>
>the hi= der's error has been minimized.
>
>
>------ Original Message ------
>Received: Wed, 02 May 2007 04:29:57 PM EDT
>From: Mike Lusicic <lusicic@xxxxxxxxxxxxx>
>To: geocaching@xxxxxxxxxxxxx
>Subject: [GeoStL] Re: Perfection is hard to achieve
>
>
>-
>Well, most folks look at only the accuracy of their GPSr (from my=
>experiencein showing folks), assuming the published coordinates a= re
>accurate.Even with 15 foot accuracy, if the hider is off 15 feet = to the
>left
>and the finder is 15 feet off to the left of that, then that is 3= 0 feet
>without even 30 foot accuracy showing on your GPSr. If both units= are only
>getting 30 foot accuracy, then you could be 60 feet away. Of cour= se that
>is
>the most extreme example. Of course the better the hider can do, = the less
>he
>is going to contribute to the error, thus the method Steve was re=
>commending
>for establishing the cache coordinates.
>Andrew Senger wrote: - I have to remind my dad (lobocs) of this a= ll the
>time.Frequently, his GPSr will come to a different location than = mine, and
>
>he'll still look just in his area (even with a 22-30 foot accurac= y!). I
>can
>easily count several times the cache was away from both of our "Z= ero"
>points,so I've learned to start looking around from there. Andrew= (yawetag)
>
>On 5/2/07, Laura Million <lmillio@xxxxxxxx>[1] wrote: - Whe= n I'm caching
>withnew people or when teaching the Girl Scouts, I tell them that= the GPS
>is
>only a tool that will take them to the area of the cache. Once th= ey get to
>
>the area, they should put the GPS down and start using their eyes= and
>brains
>to look. Look for things out of place like a pile of sticks or le= aves that
>
>would not have fallen there naturally. Look for little nooks and = holes
>that
>might hold small containers. Look high as well as low since some = of those
>devious cachers don't always place their caches on the ground. My= GPSr is
>often way off. That's what I get for buying it on E-bay. I also u= se a
>magnetic compass because my needle on the GPS might be pointing s= outh, but
>I
>know that that direction is really north. I'll pull out my compas= s and
>find
>what is really south and follow that. It has helped me often. Lau= ra
>Million
>Faculty Technology Center ftc_help@xxxxxxxx[2] 618-650-5697 To su= bmit a
>work
>request please email ftc_help@xxxxxxxx[3] For questions or help w= ith
>Blackboard please visit:
>http://www.siue.edu/lovejoylibrary/ftc/bb_tutorials.shtml[4] ----= -Original
>
>Message----- From: geocaching-bounce@xxxxxxxxxxxxx[5]
>[mailto:geocaching-bounce@xxxxxxxxxxxxx[6]] On Behalf Of Stephen = Martin
>Sent:Tuesday, May 01, 2007 7:25 PM To: geocaching@xxxxxxxxxxxxx[7= ]
>Subject:
>[GeoStL] Perfection is hard to achieve - I am curious about some = things
>that
>are actually geocache related... sorry no food this time. I have =
>experienced
>several incidents of people pointing out that a cache is off by 2= 0 to 50
>feet. Sometimes it has been regarding one of my hides, sometimes = the logs
>of
>a cache I am hunting, and I have witnessed it on some races. I be= lieve
>that
>there are many reasons for that including terrain and foilage, we= ather,
>sattelite position and the difference in GPSrs. Therefore, I watc= h the
>needleuntil I get to a zero and just search outward from there. I= think
>that
>is the fun part... the search. How fun is pin the tail on the don= key if
>your
>hand guides you to the exact spot. Where is the challenge? Most o= ften the
>difference is 30 feet or less, and geoexperience should teach whe= re to
>look.
>I would love feedback on this issue. Am I atleast partly correct = for
>causes
>of descrepencies? Is the it the hunt not the needle that rocks? T= hanks for
>
>any response to my random thoughts. Happy hunting! Stephen BTW- T= he picnic
>
>looked to be a huge success from the look of the photos. Illness = kept me
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>--- Links ---
>1 mailto:lmillio@xxxxxxxx
>2 mailto:ftc_help@xxxxxxxx
>3 mailto:ftc_help@xxxxxxxx
>4 http://www.siue.edu/lovejoylibrary/ftc/bb_tutorials.shtml
>5 mailto:geocaching-bounce@xxxxxxxxxxxxx
>6 mailto:geocaching-bounce@xxxxxxxxxxxxx
>7 mailto:geocaching@xxxxxxxxxxxxx
>8 //www.freelists.org/list/geocaching
>9 http://tinyurl.com/87cqw
>10 //www.freelists.org/list/geocaching
>11 http://tinyurl.com/87cqw
>
>
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>
>
>
>
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