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Bulgaria

The Bulgarian diplomatic service is active on HF every day from Monday to Friday, working each station once a day on a fixed schedule.

The stations communicate using RFSM, a commercial off-the-shelf system formerly developed and sold by IDE Group. Its waveform is a derivative of MIL-STD-188-110.

The daily schedule is listed below. All times are Eastern European Time (UTC+2 from November to March, UTC+3 from April to October). All frequencies are on the upper sideband. The targets respond on frequencies different from Sofia, noted here as QSX.

EET Sofia Target QSX
09:00 14786 Embassy Beijing 14796
09:30 12228 Embassy Amman 12221
10:00 6779 ? 6774
10165 Embassy Kyiv 10175
10:30 6779 Embassy Chisinau 6774
12228 Embassy Nicosia 12221
11:00 9050 ? ?
12228 Embassy Algiers 12221
11:30 11011 Permanent Mission Geneva 11032
11020 Embassy Beirut 11026
13:00 16297 Embassy Tehran 16210
13:30 14776 Embassy Moscow 14756
14786 Embassy London 14796
14:00 10165 Embassy Rome 10170
12226 Embassy Tunis 12221
15:00 13420 Embassy Cairo 13552
15:30 14786 Embassy Madrid 14796
16:00 11030 Embassy Berlin 11025
12226 Embassy Paris 12221