Statements (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radio broadcasting technology
|
| gptkbp:alternativeTo |
satellite radio
internet radio FM radio broadcasting |
| gptkbp:antennaType |
vertical monopole antenna
|
| gptkbp:audio |
narrower than FM
|
| gptkbp:broadcasts |
monophonic sound
|
| gptkbp:canBe |
local station
clear-channel station regional station international station |
| gptkbp:canBeSimulcastWith |
digital AM (HD Radio)
|
| gptkbp:competitor |
digital radio
FM radio broadcasting |
| gptkbp:decliningPopularity |
since late 20th century
|
| gptkbp:firstAired |
1906
|
| gptkbp:frequency |
530 kHz to 1700 kHz
|
| https://www.w3.org/2000/01/rdf-schema#label |
AM radio broadcasting
|
| gptkbp:inventedBy |
gptkb:Reginald_Fessenden
|
| gptkbp:mayReceive |
gptkb:AM_radio_receivers
car radios portable radios |
| gptkbp:operates |
medium frequency band
|
| gptkbp:regulates |
gptkb:Federal_Communications_Commission
gptkb:International_Telecommunication_Union |
| gptkbp:servesArea |
long distance, especially at night
|
| gptkbp:signalQuality |
susceptible to static and interference
|
| gptkbp:subject |
atmospheric noise
fading electrical interference nighttime skywave propagation daytime groundwave propagation multipath distortion |
| gptkbp:transmission |
analog
|
| gptkbp:transmittedBy |
audio signals
|
| gptkbp:transmitterLocation |
varies from less than 1 kW to 50 kW or more
|
| gptkbp:usedFor |
gptkb:music
news sports commentator talk shows public service announcements religious programming government information |
| gptkbp:usedIn |
gptkb:Asia
gptkb:Australia gptkb:Europe gptkb:North_America rural areas emergency broadcasting |
| gptkbp:uses |
gptkb:amplitude_modulation
|
| gptkbp:bfsParent |
gptkb:MF_(medium_frequency)
gptkb:WNYC_radio_transmission_towers |
| gptkbp:bfsLayer |
7
|