Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
distress signal
|
| https://www.w3.org/2000/01/rdf-schema#label |
CQD
|
| gptkbp:introducedIn |
1904
|
| gptkbp:meaning |
All stations: distress
|
| gptkbp:origin |
gptkb:United_Kingdom
|
| gptkbp:replacedBy |
gptkb:International_Radiotelegraph_Convention_of_1906
gptkb:SOS |
| gptkbp:usedBy |
Marconi wireless operators
|
| gptkbp:usedIn |
maritime radio communication
|
| gptkbp:usedOn |
gptkb:RMS_Titanic
|
| gptkbp:usedUntil |
1912
|
| gptkbp:bfsParent |
gptkb:SOS
|
| gptkbp:bfsLayer |
5
|