|
gptkbp:instanceOf
|
Radio communication technology
|
|
gptkbp:affects
|
Solar activity
Atmospheric conditions
|
|
gptkbp:alternativeTo
|
Internet communication
Satellite communication
|
|
gptkbp:broadcastOn
|
Global audience
|
|
gptkbp:enables
|
Long-distance communication
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Shortwave radio
|
|
gptkbp:inventedBy
|
Early 20th century
|
|
gptkbp:regulates
|
gptkb:International_Telecommunication_Union
|
|
gptkbp:requires
|
Receiver
Antenna
Transmitter
|
|
gptkbp:subjectOf
|
gptkb:DXing
Shortwave listening
|
|
gptkbp:transmittedBy
|
gptkb:Data
gptkb:Morse_code
Music
Voice
Digital signals
|
|
gptkbp:usedFor
|
gptkb:Amateur_radio
International broadcasting
Maritime communication
Military communication
Emergency communication
Aviation communication
|
|
gptkbp:usedIn
|
Developing countries
Remote areas
|
|
gptkbp:uses
|
Ionospheric propagation
|
|
gptkbp:usesFrequencyRange
|
1.6 to 30 MHz
|
|
gptkbp:bfsParent
|
gptkb:EWTN_Radio
gptkb:Akashvani_National_Channel
gptkb:Amplitude_Modulation
gptkb:Radio_Sweden
gptkb:Chernobyl-2_Radar
gptkb:EWTN_Global_Catholic_Radio
|
|
gptkbp:bfsLayer
|
7
|