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The Richtfunkstelle Berlin-Frohnau (Directional radio station Berlin-Frohnau) is a facility for directional radio services in the quater Frohnau of Berlin. This facility served before the German reunification for the realisation of a directional radio link between West-Berlin and West Germany.
It first used only a overhorizon directional link. For this link between 1970 and 1973 a 117 metre high freestanding steelframe work tower was built. This tower was equipped with parabolic dishes of 20 metres diameter for an overhorizon link to Gartow in Lower Saxonia.
From 1977 to 1979 a 358.5 metre high guyed mast for conventional directional service was built. It carries on a platform aerials for directional services toward Gartow.
Although the directional radio links to Gartow is not any more in service, both towers still exist.
Since 2002 there are test transmissions for DRM on the medium wave frequency 1485 kHz. Because non of the both towers is designed for use as aerial for AM transmission a long wire aerial on a 10 metre high mast was built.
List of masts
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