--- title: GPS works because a phone listens for timing signals from several sa… — Satellites and GPS · tree and pragmatics description: GPS works because a phone listens for timing signals from several satellites and works out where it is from how long the signals took; GPS satellites carry very precise atomic clocks. Who acts: GPS, phone, signals, GPS satellites. A sentence of the lesson «Satellites and GPS» of the technology cours --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/38-satellites-and-gps/9/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / [Satellites and GPS](https://md.mova.elamur.ai/free/en/corpora/school/technology/38-satellites-and-gps/) / 9 # Satellites and GPS, sentence 9 GPS works because a phone listens for timing signals from several satellites and works out where it is from how long the signals took; GPS satellites carry very precise atomic clocks. **Who acts:** GPS, phone, signals, GPS satellites · **What happens:** work, listen, work out, be, carry · **To what, where:** satellite, precise atomic clocks This is a sentence of the lesson «Satellites and GPS» of the technology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (GPS, phone, signals, GPS satellites), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:038-satellites-and-gps.lesson:9 # text = GPS works because a phone listens for timing signals from several satellites and works out where it is from how long the signals took; GPS satellites carry very precise atomic clocks. # source = school lesson (ours) # course = technology # lesson = 038-satellites-and-gps.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R7-rel-agree ×2, R8-pos-agree ×2 1 GPS GPS PROPN NNP Number=Sing 2 nsubj _ Agree=R8-pos-agree|Haiku=2:nsubj|HaikuPos=NOUN:NN:Number=Sing 2 works work VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 because because SCONJ IN _ 6 mark _ _ 4 a a DET DT Definite=Ind|PronType=Art 5 det _ _ 5 phone phone NOUN NN Number=Sing 6 nsubj _ _ 6 listens listen VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 2 advcl _ _ 7 for for ADP IN _ 9 case _ Agree=R7-rel-agree|Haiku=9:mark 8 timing timing NOUN NN Number=Sing 9 compound _ _ 9 signals signal NOUN NNS Number=Plur 6 obl _ _ 10 from from ADP IN _ 12 case _ _ 11 several several ADJ JJ Degree=Pos 12 amod _ _ 12 satellites satellite NOUN NNS Number=Plur 9 nmod _ _ 13 and and CCONJ CC _ 14 cc _ Agree=R1-cc-next|Haiku=6:cc 14 works work VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 conj _ _ 15 out out ADP RP _ 14 compound:prt _ _ 16 where where ADV WRB PronType=Rel 24 advmod _ _ 17 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 24 expl _ _ 18 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 24 cop _ _ 19 from from SCONJ IN _ 24 mark _ _ 20 how how ADV WRB PronType=Int 21 advmod _ _ 21 long long ADV RB Degree=Pos 24 advmod _ _ 22 the the DET DT Definite=Def|PronType=Art 23 det _ _ 23 signals signal NOUN NNS Number=Plur 24 nsubj _ _ 24 took take VERB VBD Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin 14 parataxis _ _ 25 ; ; PUNCT , _ 28 punct _ _ 26 GPS GPS PROPN NNP Number=Sing 27 compound _ Agree=R8-pos-agree|Haiku=27:compound|HaikuPos=NOUN:NN:Number=Sing 27 satellites satellite NOUN NNS Number=Plur 28 nsubj _ _ 28 carry carry VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 parataxis _ Agree=R7-rel-agree|Haiku=2:conj 29 very very ADV RB _ 30 advmod _ _ 30 precise precise ADJ JJ Degree=Pos 32 amod _ _ 31 atomic atomic ADJ JJ Degree=Pos 32 amod _ _ 32 clocks clock NOUN NNS Number=Plur 28 obj _ _ 33 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **work** | present | GPS | | | | | | vn employment-95.3 «NP V»: agent=Agent | | 2 | **listen** | present | a phone | | | | | for timing signals from several satellites | vn rummage-35.5 «NP V PP.location PP.theme»: agent=Agent for signal=Theme | | 3 | **work out** | present | a phone *not said here* | | | | | | vn discover-84 «NP V how S»: agent=Agent | | 4 | **is** | present | the signals | satellite | | | | long, take *property* | tree rules | | 5 | **carry** | present | GPS satellites | precise atomic clocks | | | | | vn carry-11.4 «NP V NP»: agent=Agent clock=Theme | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:technology:038-satellites-and-gps.lesson:9`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R7-rel-agree ×2, R8-pos-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Satellites and GPS, 8](https://md.mova.elamur.ai/free/en/corpora/school/technology/38-satellites-and-gps/8/) - next →: [Satellites and GPS, 10](https://md.mova.elamur.ai/free/en/corpora/school/technology/38-satellites-and-gps/10/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/38-satellites-and-gps/)