Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:radio_communication_protocol
|
| gptkbp:abbreviation |
gptkb:DSC
|
| gptkbp:enables |
group calls
distress alerts individual calls all ships calls |
| gptkbp:frequency |
gptkb:HF
gptkb:VHF MF |
| gptkbp:introduced |
1980s
|
| gptkbp:ITU-TRecommendation |
gptkb:ITU-R_M.493
|
| gptkbp:purpose |
automated distress alerting
selective calling of ships |
| gptkbp:relatedTo |
gptkb:GMDSS
maritime safety |
| gptkbp:replacedBy |
voice hailing on channel 16
|
| gptkbp:requires |
gptkb:SOLAS_ships
|
| gptkbp:standardizedBy |
gptkb:International_Telecommunication_Union
|
| gptkbp:transmittedBy |
digital signals
|
| gptkbp:usedIn |
gptkb:GMDSS
gptkb:MF/HF_radio gptkb:marine_VHF_radio maritime communication |
| gptkbp:uses |
gptkb:MMSI_number
|
| gptkbp:bfsParent |
gptkb:GMDSS
gptkb:MF/HF_radio gptkb:Automatic_Link_Establishment_(ALE)_Radio |
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
digital selective calling
|