Can we coordinates our child by using the RF devices and not a GPS?



Answers:    Surely the GPS works by RF. using simple RF antennae would require two of you to triangulate to get a cross quotation. Also it would have to be at lowest VHF to minimise the antenna size, Obstructions could interfere with reception. So I suppose it could be done but really messy. You can see examples in matured war films where on earth they are trying to catch spies transmitting. I saw a program advertise that let you track a child by the mobile phone signal, don't know any more details on that but you could google it.

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