The following radio stations broadcast on AM frequency 666 kHz:
Australia 2CN at Canberra, A.C.T. 4CC at Biloela, Queensland 4LM at Mount Isa 6LN at Carnarvon, Western Australia
Belarus Radio Signal
China Voice of the Strait in Fujian
Iran IRIB Fars from several sites
Japan JOBK at Osaka
Philippines +Call SignCity of LicensePower (kW)AM Stereo CompatibilityDZRHPasay City50,000Yes
Portugal Antena 1 from several sites
Spain EAJ-1 at Barcelona
Vietnam VOV1 at Nha Trang
Defunct Gold in Exeter, United Kingdom SWR cont.ra from the Bodensee transmitter in Rohrdorf, Germany; shut down on 8 January 2012
References