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City Radio (Bulgaria) - Wikipedia
QSL, Radio Sofia, Bulgaria, 1975 | eBay
1958 QSL: Radio Sofia, Bulgaria | #319401550
Listen 102.4 Focus Radio - Veliko Tarnovo - 64 kbps MP3 on Viaway
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The Classic Short Wave Broadcast QSL Home Page - Radio Sofia, Bulgaria
QSL Radio Sofia Bulgaria 1990 transmitter site Vidin 1224 KHz First of six DX | eBay
Radio Sofia, Bulgaria - YouTube
Shortwave Archive (1975): Radio Sofia Bulgaria African Serivce in English signing on - YouTube
Radio Sofia - Радио София Sofia Ampl/Mixer Broadcasting | Radiomuseum
Radio Focus Sofia - Live Online Radio
VINTAGE POSTCARD RADIO SOFIA BULGARIA TO SAN FRANCISCO CAL 1967 | eBay
Bulgaria Radio APK for Android Download
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Radio in Bulgaria Celebrates 100 Years – Radio Heritage Foundation
