Nrog kev nrov nrov hauv Is Taws Nem ntawm Yam Tsheb yuav nce xyoo los ntawm lub xyoo, kev lag luam thiab cov neeg siv tsheb pib muaj qhov xav tau los tswj lawv lub tsheb txhua lub sijhawm thiab nyob qhov twg, thiab ntau tus neeg xav tsis thoob thaum yuav tsheb GPS qhov chaw nres tsheb vim lawv yog tsis paub tseeb tias hom kab GPS locator thiab wireless GPS locator twg zoo dua?