( ( 1 ( Simplest ( Very ( Low ( Frequency ( Receiver ( This receiver ) ) ) ) ) ) ) ( ( allows ( you ( to ( listen ( to ( ( ( VLF ( radio waves ) ) ( in ( ( the range ) ( of ( 100 Hz ) ) ) ) ) ( to ( 10 KHz ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (CD 1) (NNP Simplest) (NNP Very) (NNP Low) (NNP Frequency) (NNP Receiver) (NNP This) (NN receiver)) (VP (VBZ allows) (S (NP (PRP you)) (VP (TO to) (VP (VB listen) (S (VP (TO to) (VP (VB VLF) (NP (NN radio) (NNS waves)) (PP (IN in) (NP (NP (DT the) (NN range)) (PP (IN of) (NP (CD 100) (NNS Hz))))) (PP (TO to) (NP (CD 10) (NNS KHz)))))))))) (. .)))
1 Simplest Very Low Frequency Receiver This receiver allows you to listen to VLF radio waves in the range of 100 Hz to 10 KHz.
(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))) (. .)))