Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:radar_system
|
| gptkbp:application |
anti-submarine warfare
oceanographic research surveillance mine detection |
| gptkbp:depth |
up to 1,000 meters
|
| gptkbp:developed_by |
gptkb:Raytheon
|
| gptkbp:environment |
gptkb:battle
|
| gptkbp:features |
digital signal processing
automatic target recognition multi-beam array |
| gptkbp:frequency |
3 to 30 k Hz
|
| gptkbp:game_components |
ASW systems
|
| gptkbp:has_ability |
detection of submarines
tracking of underwater objects |
| gptkbp:historical_event |
first deployed in the 1970s
|
| https://www.w3.org/2000/01/rdf-schema#label |
SQS-4 sonar
|
| gptkbp:is_used_by |
gptkb:battle
|
| gptkbp:location |
hull of submarines
|
| gptkbp:maintenance |
requires periodic calibration
requires software updates |
| gptkbp:modifications |
SQS-4 A
SQS-4 B SQS-4 C |
| gptkbp:operational_status |
1970s
|
| gptkbp:powers |
200 k W
|
| gptkbp:range |
up to 20 nautical miles
|
| gptkbp:related_to |
gptkb:radar_system
gptkb:aircraft environmental monitoring acoustic sensors defense technology marine navigation research vessels submarine warfare acoustic research ocean exploration underwater acoustics naval defense systems signal processing technology |
| gptkbp:replaced_by |
gptkb:SQS-53_sonar
|
| gptkbp:successor |
gptkb:SQS-53_sonar
|
| gptkbp:training |
requires operator training
|
| gptkbp:type |
active sonar
|
| gptkbp:used_in |
submarines
|
| gptkbp:user_interface |
command and control systems
data recording systems sonar display systems |
| gptkbp:weight |
approximately 1,500 pounds
|
| gptkbp:bfsParent |
gptkb:cruiser
|
| gptkbp:bfsLayer |
4
|