( ( ( 5.0 ( FEASIBILITY ( AND ( INSTRUMENT ( CHARACTERISTICS Imaging ) ) ) ) ) ( of ( ( magnetospheric plasmas ) ( by ( utilizing ( ( radio wave ) ( ( ( sounding techniques ) as ) ( described ( in ( this study ) ) ) ) ) ) ) ) ) ) ( ( requires ( observations ( to ( be ( ( ( made ( in ( the ( frequency range ) ) ) ) ( from ( 3 kHz ) ) ) ( to ( 3 MHz ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP 5.0) (NNP FEASIBILITY) (CC AND) (NNP INSTRUMENT) (NNPS CHARACTERISTICS) (NNP Imaging)) (PP (IN of) (NP (NP (JJ magnetospheric) (NNS plasmas)) (PP (IN by) (S (VP (VBG utilizing) (NP (NP (NN radio) (NN wave)) (VP (ADVP (NP (CD sounding) (NNS techniques)) (RB as)) (VBN described) (PP (IN in) (NP (DT this) (NN study))))))))))) (VP (VBZ requires) (S (NP (NNS observations)) (VP (TO to) (VP (VB be) (VP (VBN made) (PP (IN in) (NP (DT the) (NN frequency) (NN range))) (PP (IN from) (NP (CD 3) (NN kHz))) (PP (TO to) (NP (CD 3) (NNS MHz)))))))) (. .)))
5.0 FEASIBILITY AND INSTRUMENT CHARACTERISTICS Imaging of magnetospheric plasmas by utilizing radio wave sounding techniques as described in this study requires observations to be made in the frequency range from 3 kHz to 3 MHz.
(ROOT (S (NP (NNP Am) (NN radio) (NNS waves)) (VP (VBP exist) (PRT (RP in)) (NP (DT the) (ADJP (QP (CD 540) (TO to) (CD 1600))) (NN khz) (NN frequency) (NN range))) (. .)))