( ( Recognized ( as ( ( the ( world 's ) ) ( premier ( navigation ( satellite system ) ) ) ) ) ) ( , ( GPS ( ( is ( ( a ( 24-satellite constellation ) ) ( that ( allows ( users ( to ( ( ( pinpoint ( their ( exact location ) ) ) anywhere ) ( on ( ( the planet ) ( in ( real time ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (VBN Recognized) (PP (IN as) (NP (NP (DT the) (NN world) (POS 's)) (JJ premier) (NN navigation) (NN satellite) (NN system))))) (, ,) (NP (NNP GPS)) (VP (VBZ is) (NP (NP (DT a) (JJ 24-satellite) (NN constellation)) (SBAR (WHNP (WDT that)) (S (VP (VBZ allows) (S (NP (NNS users)) (VP (TO to) (VP (VB pinpoint) (NP (PRP$ their) (JJ exact) (NN location)) (ADVP (RB anywhere)) (PP (IN on) (NP (NP (DT the) (NN planet)) (PP (IN in) (NP (JJ real) (NN time))))))))))))) (. .)))
Recognized as the world's premier navigation satellite system, GPS is a 24-satellite constellation that allows users to pinpoint their exact location anywhere on the planet in real time.
(ROOT (S (S (NP (PRP We)) (VP (VBP call) (NP (NP (DT the) (JJ worldwide) (JJ radio-navigation) (NN system)) (VP (VBN formed) (PP (IN from) (NP (NP (DT a) (NN constellation)) (PP (IN of) (NP (CD 24) (NNS satellites))))))))) (CC and) (S (NP (PRP$ their) (NN ground) (NNS stations)) (VP (VBP gps))) (. .)))