Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
outdoor warning siren
|
| gptkbp:activatedBy |
telephone line
radio control manual switch |
| gptkbp:audio |
mechanical siren
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:hasVariant |
Vortex R1
Vortex R2 Vortex R4 |
| https://www.w3.org/2000/01/rdf-schema#label |
Whelen Vortex
|
| gptkbp:introducedIn |
2006
|
| gptkbp:manufacturer |
gptkb:Whelen_Engineering_Company
|
| gptkbp:powerSource |
electric motor
|
| gptkbp:replacedBy |
Whelen WPS series
|
| gptkbp:status |
in production
|
| gptkbp:usedFor |
state of emergency
tornado warning |
| gptkbp:bfsParent |
gptkb:Whelen_Outdoor_Warning_Siren
|
| gptkbp:bfsLayer |
8
|