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Another perfectly good weekend.

The American Psychiatric Association’s DSM-IV defines Obsessive-Compulsive Disorder in part as, “…recurrent obsessions or compulsions…that are severe enough to be time consuming (i.e., they take more than 1 hour a day) or cause marked distress or significant impairment….”  I had to look it up to find out that I don’t exactly qualify.  But it seems that evaluation of our GPS collar performance never ends.  A few weeks ago I blogged about a test that I would do over the weekend.  I was testing from Friday evening until Sunday evening, constantly downloading GPS data, sorting it out, evaluating the results and then uploading new schedules into the collars.  My wife had absolutely no interest in the results but I had no one else to share the fascinating information with.   

We did get some excellent information from that test.  First, it only takes a few seconds (in many cases only 1 second) for our Q4000 series to acquire satellites and it does not matter much if the position interval is 5 minutes or 2 hours, they work about the same.  But more interesting than that is our GPS Additional Time feature that I keep harping about.  Forcing the collar to remain on for x number of seconds more after it acquires satellites results in <2.5 meter accuracy.  The overall amount of time required to get this accuracy is under 60 seconds.  The tests were always performed with the GPS right on the ground.  There was foliage around but it wasn’t a forest by any stretch of the imagination.

Last month we sent a Quantum 4000 collar to a biologist in San Diego California.  He was on his way to the jungles of Peru.  He and a colleague wanted to determine if the collars would work in the jungle where they do their field work.  Initial results from that test are that they do indeed work there and they work well enough that we have already received interest from others working in Peru.  Word of mouth is a wonderful thing.  These tests are being performed in an area with no roads other than the river.  The tests in Peru continue.  As soon as we have the newest results they will be posted on our website.  Now I think I better go wash my hands, it’s been 30 minutes since I did it last. 🙂

Quintin


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