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Old 04-22-2016, 08:20 PM
 
1,979 posts, read 1,210,225 times
Reputation: 3276

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Ok, not exactly a cell phone that is lost, but a GPS unit.

But here is the thing. It uses cell phone tech to do what it does. Like OLDER cell phones, it creates interference when near my computers and speakers. Newer cell phones do not do this, but not very long ago, pretty much all cell phones brought near a computer would create an interference pattern you could hear on the computer speakers. Kind of like a dot-dash morse code like pattern. Bzzzt, bz, bz, bzzt . . .

Based on internet research, this may be an audio component interference exclusively - but I swear I remember cell phones causing such interference with TVs also.

So, my dog lost the GPS finder in a thicket of trees, brambles, stickers, undergrowth, liberally covered with several inches of leaves. Just the place for bunnies and chipmunks and field mice to hide. And my dogs to chase them. I can locate the unit on the map (the GPS service). I have gone and searched the area on the ground. No luck.

I have three ways to proceed that I can think of. 1: give up. 2: rake all the leaves and chop all the vines and brush out. Or, 3: use the GPS's cell phone tech to find it.

The GPS unit does not make any noise - so I can not activate an alarm, or "ring it" to find it. Unlike a cell phone.

Is there some way to magnify the interference effect, or to cobble together an 'interference meter" to try and locate the unit? The GPS company (Loc8tor) has no helpful ideas. Their solution is to do a manual ground search. And, like I said, I've done that. If I have to, I'll do the hours and hours of work to clear the leaf litter and underbrush, but that will be a LOT of work.

So, if any electronic whiz'es out there have an idea, let me know please. Or, if you know of a better forum for asking this question, tell me! I could go around randomly trying forums, but I think we have a lot of smart people posting here who might be able to either provide and answer, or where to look for an answer.

Thank you.
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Old 04-23-2016, 08:47 AM
 
Location: Raleigh, NC
2,537 posts, read 3,873,915 times
Reputation: 3427
There might be some super-high-tech way to create a radio-direction finder to triangulate in on any signal leakage. But I don't know it.

If it were my gadget, and it was worth enough money to make the hassle of searching for it worthwhile, I'd run over to the local tool rental shop for a metal detector and sweep the area. They rent for about $15.00 a half-day, and I'd expect such a concentration of metals to be quickly found.
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Old 04-23-2016, 05:00 PM
 
1,979 posts, read 1,210,225 times
Reputation: 3276
Quote:
Originally Posted by Ed_RDNC View Post
There might be some super-high-tech way to create a radio-direction finder to triangulate in on any signal leakage. But I don't know it.

If it were my gadget, and it was worth enough money to make the hassle of searching for it worthwhile, I'd run over to the local tool rental shop for a metal detector and sweep the area. They rent for about $15.00 a half-day, and I'd expect such a concentration of metals to be quickly found.
That's an idea! The unit has a plastic body, like a lot of cell phones - but maybe more so. Still, it has a system board, and that has all those little transistors and circuits - and a battery. So it will have at least some metal "reflectivity".

And, at $15 bucks, that is cheap enough to give it a go.

Thanks for the idea! I'm going to try searching by foot again one more time. It will be another week before I can get out there and spend time to search for it, assuming I don't find it. So, during the week, I'll look into rental of a metal detector.
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Old 04-24-2016, 12:11 PM
 
Location: Raleigh, NC
2,537 posts, read 3,873,915 times
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Quote:
Originally Posted by Ed_RDNC View Post
... I'd rent a metal detector ....
Quote:
Originally Posted by hiero2 View Post
... Thanks for the idea! I'm going to try searching by foot again one more time. It will be another week before I can get out there and spend time to search for it, assuming I don't find it. So, during the week, I'll look into rental of a metal detector.

Good luck, and if you find any massive treasures, don't forget I get 10% for giving you the idea !!!
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Old 04-25-2016, 08:39 AM
 
Location: Cleveland, Ohio
13,016 posts, read 15,122,402 times
Reputation: 9124
You can't ping a GPS unit like that. Even if you could you would not get an exact location.

Start digging...
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