640 AM - The following
radio stations
Radio broadcasting is transmission of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio ...
broadcast on
AM frequency 640
kHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one h ...
: 640 AM is a North American
clear-channel
A clear-channel station is an AM radio station in North America that has the highest protection from interference from other stations, particularly concerning night-time skywave propagation. The system exists to ensure the viability of cross-co ...
frequency.
in Los Angeles, California,
KYUK in Bethel, Alaska, and
CBN
CBN, or cbn, may refer to:
Broadcasting organizations
* Radio stations in St. John's, Newfoundland:
** CBN (AM), CBC Radio One
** CBN-FM, CBC Music
* Chronicle Broadcasting Network, the predecessor of ABS-CBN
* CBN (Australian TV station), a TV s ...
in St. John's, Newfoundland and Labrador, Canada share
Class A status of 640 AM.
In Argentina
*
LRA24 in Río Grande, Tierra del Fuego
*
LU18 in General Roca, Río Negro
*
LV15 in Villa Mercedes, San Luis
In Bolivia
*
CP 157 in Milluni
In Brazil
*
ZYH458 in Itabuna
*
ZYH-757 in Goiânia
*
ZYI-240 in Vitória·
*
ZYI-418 in Alta Floresta
*
ZYJ262 in Londrina
*
ZYJ-489 in Resende
*
ZYJ590 in Natal, Rio Grande do Norte
*
ZYK-277 in Porto Alegre
*
ZYK-547 in Araraquara
*
ZYL-308 in Para de Minas
In Canada
Stations in bold are
clear-channel station
A clear-channel station is an AM radio station in North America that has the highest protection from interference from other stations, particularly concerning night-time skywave propagation. The system exists to ensure the viability of cross-co ...
s.
In Chile
*
CA-064 in Curico
*
CD-064 in Temuco
In Costa Rica
*
TIQQ in San José
In Colombia
*
HJBJ in Santa Marta
*
HJR32 Bucaramanga
In Cuba
*
CMLA in Victoria de Las Tunas
In Ecuador
*
HCXY1 in Quito
In France
In Guadeloupe
*
FFQ in Point-à-Pitre
In Guatemala
*
TGW in Guatemala City
In Honduras
*
HRNN4 in Tegucigalpa
In Mexico
*
XEJUA-AM in Cd. Juárez, Chihuahua
*
XENQ-AM in Tulancingo, Hidalgo
*
XETAM-AM in Santa Elena, Tamaulipas
In Panama
*
HOK 22 in Colón
In Paraguay
*
ZP 19 in Coronel Oviedo
In Peru
*
OAZ4K in Lima
In the United States
Stations in bold are
clear-channel station
A clear-channel station is an AM radio station in North America that has the highest protection from interference from other stations, particularly concerning night-time skywave propagation. The system exists to ensure the viability of cross-co ...
s.
In Venezuela
*
YVSI in Maracaibo
*
YVQO in Puerto La Cruz
See also
*
CONELRAD
CONELRAD (''Control of Electromagnetic Radiation'') was a method of emergency broadcasting to the public of the United States in the event of enemy attack during the Cold War. It was intended to allow continuous broadcast of civil defense inform ...
References
{{DEFAULTSORT:640 Am
Lists of radio stations by frequency