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Bulgaria

The Bulgarian diplomatic service communicates using RFSM, a commercial derivative of the MIL-STD-188-110 standard formerly developed and sold by "IDE Group." All traffic is encrypted using its built-in "data masking" feature.

Contacts are made every day from Monday to Friday on a fixed schedule. All times listed are Eastern European Time (UTC+2 from November to March, UTC+3 from April to October). All frequencies are on the upper sideband.

EET Sofia QSX Target
09:00 18515 18520 Beijing
09:30 12228 12221 Amman
10:00 6779 6774 Belgrade
9050 9055 Kyiv
10:30 6779 6774 Chisinau
12228 12221 Nicosia
11:00 9050 ? ?
12228 12221 Algiers
11:30 11011 11032 Geneva
11020 11026 Beirut
13:00 5145 5150 Sarajevo
16297 16230 Tehran
13:30 12105 12112 Moscow
14786 14796 London
14:00 12226 12221 Tunis
14:30 9050 9055 Rome
15:00 10165 10170 Cairo
15:30 14786 14796 Madrid
16:00 11030 11025 Berlin
12226 12221 Paris
23:30 12221 12228 Washington, D.C.