Sirf has come up with GPS on a chip transponders. Are there
manufactures or service providers of tracking technology for humans? I
am looking for a list for a wearable products that transmit location
and can be accesed via web or another handheld tracking location.
Please provide a list of products to achieve this goal.

Hi! Thanks for the question.

Right now it seems only few products are out there. Here are the
wearable tracking device products I was able to find.

Blu-Tag
http://www.stopllc.com/products.cfm#blutag 

Electronic Entities
http://www.eeontheweb.com/personal_gps_location.htm

Wherify
http://www.wherifywireless.com/html/solutions.asp?pageId=47 

WearNet
http://www.poc.com/emerging_products/wearnet/default.asp 

Global Pet Finder ? (Used for pets but obviously humans can wear them too)
http://www.globalpetfinder.com/ 

Guardian Lion
http://www.guardianlion.com/

Pocket Tracker
http://www.byonics.com/pockettracker/ 

iSureTrac
http://www.isecuretrac.com/products_detail.asp?focus=Transmitter 

Garmin Foretrex 201
http://www.garmin.com/products/foretrex201/ 

FitSense
http://www.fitsense.com/b/ProjectPortfolio.asp 

Global Sat (Uses Sirf Chips)
http://www.globalsat.com.tw/english/products_detail.php?main_id=21&p_id=157 

CATS COMMUNICATION
http://www.catscommunication.com/news/3.htm 

Geta Sandals with RFID (Experimental Stage)
http://tecfa.unige.ch/perso/staf/nova/blog/2005/09/20/knowing-where-you-walk-to/ 


Search terms used:
wearable people employees personnel kids children bracelet tracker gps

I hope these links would help you in your research. Before rating this
answer, please ask for a clarification if you have a question or if
you would need further information.
                                                          
                              
Regards,                              
Easterangel-ga                              
Google Answers Researcher

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Request for Answer Clarification by bill22-ga on 25 Feb 2006 15:30 PST

good list but thought there would be much more and more devices geared
for tracking small children (those under 5). I am assumng that those
are not commercially produced I should have asked for that in the
question but thought it would be inluded in the list. Can you please
see if your answer could be more specific to this request.

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Clarification of Answer by easterangel-ga on 26 Feb 2006 14:16 PST

Hi!

Usually researchers only work on the original premise and in this case
requirements for small children and even devices in the experimental
stage were not mentioned.

However, I still tried to find some products or even studies. But it
seems that there really isn't much out there at the moment. Maybe it
would be good to look into this in a few more months or years since at
the moment, the functional and even experimental technology is quite
limited.

Best Regards,

Easterangel-ga

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Clarification of Answer by easterangel-ga on 28 Feb 2006 00:31 PST

Thank you for understanding and for the generous tip! :)

this was a good list I was dissapointed at the level of technology in
the list which makes me suspicious that there is more hidden out their
given the fact the actual chip size for gos is quite small and thus a
smaller tracking device would be possible and desired by so many.
Perhaps a custom manufacuter.

if your trying to keep track of someone (ie your child) who has a
mobile phone then there are loads of services you can sign up to that
will let you know their location for a fee. google on "mobile phone
tracking" or something similar

I work for a manufacturer of GPS tracking devices, automobiles, heavy
equipment, trailer tracking and personal. All of the devices require
an antenna, so until the antenna manufactures come up with a very
small antenna the devices that can track a person will most likely be
the size of a mobile phone.  The device that we manufacture has three
preprogrammed numbers that a person can call out from and can revieve
unlimited calls into. Just thought I could shed some light on the
subject.

Thanks My child is 2 so I was looking for something I could imbed in
clothing which currently does not seem to be commercially available
but I am sure it is technically feasable.

Bill22-ga,
    I have a four month old and am also extremely inerested in
developing technology. If you find anything can you repost here and I
will do the same.