High Quality Content by WIKIPEDIA articles! The Rheinsender (Rhine transmitter) is a large medium-wave transmission facility near Wolfsheim, southwest of Mainz for the frequency 1017 kHz. The Rhine transmitter was established in 1950 and went on the air May 15, 1950. It belongs to SWR (until 1998 to SWF) and transmitted until the middle of the 1990's with 600 kilowatts. In the last years the transmission power was reduced to 100 kilowatts. From 1950 to 2003 two 150 metre high guyed steel tube masts were used as the transmission aerial, which are insulated from ground and which were separated by an insulator in the mast construction electrically in two parts for double feeding as fade reducing aerial. By the usage of two masts a direction minimum toward the southeast was obtained according to international regulations when working with a transmission power of 600 kilowatts at nighttime.

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