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gptkbp:instanceOf
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gptkb:military_communication_equipment
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|
gptkbp:advantage
|
secure communication
limited range
not easily intercepted
requires physical wire
vulnerable to wire cutting
|
|
gptkbp:category
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gptkb:aircraft
telecommunications
|
|
gptkbp:component
|
field telephone system
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|
gptkbp:connectsTo
|
switchboard
another field telephone
|
|
gptkbp:features
|
push-to-talk button
crank for signaling
handset
ringing bell
|
|
gptkbp:introducedIn
|
20th century
|
|
gptkbp:maintenance
|
battery replacement
cleaning contacts
regular line checks
|
|
gptkbp:material
|
gptkb:metal
gptkb:plastic
rubber insulation
|
|
gptkbp:notableModel
|
gptkb:EE-8
gptkb:FF-33
gptkb:TA-312
|
|
gptkbp:operates
|
wired connection
|
|
gptkbp:powerSource
|
gptkb:battery
hand generator
|
|
gptkbp:relatedTo
|
gptkb:telegraph
switchboard
civilian telephone
field radio
|
|
gptkbp:replacedBy
|
radio communication
|
|
gptkbp:transmittedBy
|
gptkb:Morse_code
voice
|
|
gptkbp:usedBy
|
gptkb:military
emergency services
|
|
gptkbp:usedDuring
|
gptkb:Korean_War
gptkb:Vietnam_War
gptkb:World_War_II
|
|
gptkbp:usedFor
|
field communication
|
|
gptkbp:usedIn
|
trench warfare
bunkers
command posts
field hospitals
forward observation posts
|
|
gptkbp:bfsParent
|
gptkb:Ottoman_Army_(World_War_I)
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Field Telephone Units
|