Show good R F chokes needed for low wave recaption the ly remit interest loie resl aroused in l wuie wae ret elitton by bj tit lip broadcast listener bus focused III the at vi many engineers on the de 0 apparatus for use at these wave lengths one very verj problem Is the design of a good radio frequency choke which will bb catle factory over ever the very great frequency range used A british product lias has recently appeared in which the choke la is made by windi winding tig a series of ples pies ait oit on a 11 conical election so each sect sectler lor lias fins it a different diner inductance and distributed resulting la in what amount fj to a series of chokes having different natural periods tite same effect Is gotten in ina a recent Anie american rican product by using belots ex per aters nt ers wor kr at high tre should find tta an of types very verj valuable |