h elle ▁Trans mit ter ▁and , ▁roughly ▁ 2 1 5   met res ▁n ortheast ▁of ▁it , ▁a ▁Bundes wehr ▁communication ▁tower , ▁which ▁is ▁made ▁of ▁rein for ced ▁concrete ▁and ▁used ▁for ▁mobile ▁tele phony . ▁About ▁ 1 . 2   km ▁east - s out heast ▁of ▁the ▁mount aint op ▁on ▁a ▁neighbour ing ▁mountain , ▁the ▁Wald berg , ▁stands ▁the ▁E bb eg eb ir ge ▁Communic ation ▁Tower , ▁which ▁was ▁called ▁the ▁L üd ens che id ▁Trans mit ter ▁until ▁the ▁introduction ▁of ▁D VB - T . ▁ ▁Gallery ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : Mount ains ▁under ▁ 1 0 0 0 ▁metres ▁Category : Mount ains ▁and ▁hills ▁of ▁North ▁Rh ine - West phal ia ▁Category : Mount ains ▁and ▁hills ▁of ▁the ▁R hen ish ▁Mass if ▁Category : M är k ischer ▁Kreis <0x0A> </s> ▁Cl iff ord ' s ▁theorem ▁may ▁refer ▁to : ▁Cl iff ord ' s ▁theorem ▁on ▁special ▁divis ors ▁Cl iff ord ▁theory ▁in ▁representation ▁theory ▁Hamm ers ley – Cl iff ord ▁theorem ▁in ▁probability ▁Cl iff ord ' s ▁circle ▁the or ems ▁in ▁E uclidean ▁geometry <0x0A> </s> ▁Ar l ene ▁J . ▁Ch ai ▁( born ▁ 1 9 5 5 ▁in ▁Man ila , ▁Philippines ) ▁is ▁a ▁Filip ino - Ch inese - Austral ian ▁ ▁author . ▁ ▁Ch ai ▁is ▁Filip ino ▁by ▁birth , ▁Chinese ▁by ▁eth