PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX foaf:    <http://xmlns.com/foaf/0.1/>
PREFIX owl:     <http://www.w3.org/2002/07/owl#>
PREFIX prov:    <http://www.w3.org/ns/prov#>
PREFIX qudt:    <http://qudt.org/schema/qudt/>
PREFIX rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs:    <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos:    <http://www.w3.org/2004/02/skos/core#>
PREFIX xsd:     <http://www.w3.org/2001/XMLSchema#>

<#it>   rdf:type              rdf:Property , <../vocab#Attribute>;
        rdfs:range            <#values>;
        dcterms:dateAccepted  "2013-10-18"^^xsd:date;
        skos:definition       "The frequency of a signal, as a category."@en;
        skos:notation         "FRX";
        skos:prefLabel        "Frequency Classification"@en;
        <../vocab#conceptSource>  "NFDD";
        <../vocab#datatype>   "Enumeration";
        <../vocab#name>       "frequencyClassification";
        <../vocab#status>     "valid";
        <../vocab#usedBy>     <../feature/zi101#it> , <../feature/ga010#it> .

<../value/frx_5#it>  skos:notation  "FRX_5";
        skos:prefLabel  "Medium Frequency (MF)"@en .

<../value/frx_10#it>  skos:notation  "FRX_10";
        skos:prefLabel  "Extremely High Frequency (EHF)"@en .

<../value/frx_6#it>  skos:notation  "FRX_6";
        skos:prefLabel  "High Frequency (HF)"@en .

<../value/frx_7#it>  skos:notation  "FRX_7";
        skos:prefLabel  "Very High Frequency (VHF)"@en .

<../value/frx_8#it>  skos:notation  "FRX_8";
        skos:prefLabel  "Ultrahigh Frequency (UHF)"@en .

<../value/frx_1#it>  skos:notation  "FRX_1";
        skos:prefLabel  "Extremely Low Frequency (ELF)"@en .

<../feature/ga010#it>
        skos:notation   "GA010";
        skos:prefLabel  "Air Traffic Service (ATS) Route Segment"@en .

<../value/frx_9#it>  skos:notation  "FRX_9";
        skos:prefLabel  "Super-High Frequency (SHF)"@en .

<../value/frx_2#it>  skos:notation  "FRX_2";
        skos:prefLabel  "Voice Frequency (VF)"@en .

<../feature/zi101#it>
        skos:notation   "ZI101";
        skos:prefLabel  "Radio Transmission Information"@en .

<../value/frx_3#it>  skos:notation  "FRX_3";
        skos:prefLabel  "Very Low Frequency (VLF)"@en .

<#values>  rdf:type     rdfs:Class;
        owl:oneOf       ( <../value/frx_1#it> <../value/frx_10#it> <../value/frx_2#it> <../value/frx_3#it> <../value/frx_4#it> <../value/frx_5#it> <../value/frx_6#it> <../value/frx_7#it> <../value/frx_8#it> <../value/frx_9#it> );
        skos:prefLabel  "Frequency Classification: values"@en .

<>      dcterms:license        <https://creativecommons.org/licenses/by/4.0/>;
        dcterms:references     <https://portal.dgiwg.org/files/68063>;
        dcterms:rights         "(C) Copyright DGIWG. Licensed under the terms in CC BY 4.0 (stated in DGIWG 206-3).";
        dcterms:rightsHolder   [ foaf:homepage  <https://dgiwg.org/>;
                                 foaf:name      "Defence Geospatial Information Working Group (DGIWG)"
                               ];
        prov:generatedAtTime   "2026-11-14T15:50:07Z"^^xsd:dateTime;
        prov:hadPrimarySource  <https://portal.dgiwg.org/files/?artifact_id=76200>;
        prov:wasAttributedTo   <../index#dgifwrap>;
        prov:wasGeneratedBy    <../index#conversion>;
        foaf:primaryTopic      <#it>;
        <../vocab#baseline>    "2026-1" .

<../value/frx_4#it>  skos:notation  "FRX_4";
        skos:prefLabel  "Low Frequency (LF)"@en .
