phere ▁with ▁rad ar ▁systems ▁in ▁the ▁short ▁wave ▁range ▁( fre qu encies ▁between ▁ 1 ▁M Hz ▁and ▁ 3 0 ▁M Hz ). ▁The ▁land mark ▁of ▁the ▁station ▁is ▁a ▁ 7 0 ▁met re ▁high ▁ground ed ▁free ▁standing ▁steel ▁framework ▁tower , ▁which ▁was ▁built ▁in ▁ 1 9 6 0 / 6 1 ▁and ▁which ▁car ries ▁a ▁c age ▁aer ial ▁for ▁the ▁transmit ter ▁of ▁the ▁ion os onde . ▁ ▁See ▁also ▁List ▁of ▁to wers ▁ ▁External ▁links ▁ ▁http :// www . ion os onde . ia p - k born . de / index eng . htm ▁▁▁ ▁http :// www . sk ys cra per page . com / di agr ams /? b 4 5 8 4 9 ▁ ▁Category : Res earch ▁instit utes ▁in ▁Germany ▁Category : T ow ers <0x0A> </s> ▁Catherine ▁Mur phy ▁( born ▁ 1 ▁September ▁ 1 9 5 3 ) ▁is ▁an ▁Irish ▁Social ▁Democr ats ▁politician ▁who ▁has ▁been ▁a ▁Te ach ta ▁D á la ▁( TD ) ▁for ▁the ▁K ild are ▁North ▁constitu ency ▁since ▁the ▁ 2 0 1 1 ▁general ▁election , ▁and ▁previously ▁from ▁ 2 0 0 2 ▁to ▁ 2 0 0 7 . ▁She ▁has ▁been ▁the ▁joint ▁Le ader ▁of ▁the ▁Social ▁Democr ats ▁since ▁July ▁ 2 0 1 5 . ▁ ▁Early ▁and ▁personal ▁life ▁Mur phy ▁was ▁raised ▁in ▁Pal mer st own ▁in ▁Dublin ,