I6S /?£/,/, SYSTEM TECHNICAL JOURNAL 



between tlic tup ami hoUuni i)liases. Tlio box shown on tlic lower 

 in Kig. Hi is ilu- i'oiii)ling wire liniini; unit shown in lii;. 17. The 

 conplint; wires are lerniinaled in this lunini; iniil. In l-'ii;. IS is 



liK. l'> Hi' 



11 I'.ii'l "I l'\|iii,ii (.Duplinj; Wire liiblallaliun Sliowiiig Coupling 

 U ire Tuning L'nil 



shown the schematie diagram of the wire eoupling circuit and Fig. 19 

 illustrates the character of the resonant peaks secured In- this circuit. 

 The series inductances L\ and tlie lenninaiinn inductance Li are 

 \arial)Ie and by adjusting liuni iht- points of resonance may be 



