Ogden Standard-Examiner | 1922-07-02 | Page 8 | Loop Receiver Used to Locate Interference

IIM oo Loop Receiver Used to Locate j Interference I By PAUL F. GODLBY m Vmerha's I 'orcrnost I Unlit Authority. j A faulty fuse of transformer In the light supply wire, a high tension wire mL which swings and touches a tree, or ometimcs a young boy who docs not P predate what a nuisance he is making mak-ing of himself, will cause Interference lilch may render signals from dis-ij dis-ij am points totally unintelligible. t WTiero Interference of this nature a persists, the radio Inspector may be ; i ailed in or, if he is hot available, the II members of your radio club. Eltb- i ol f these should be able to locati- the ouroes of Intprferenco. Before the lop or coll antenna, came nto prominence, receiving apparatus v,(S frequently set up In an automobile automo-bile wrlth a small antenna on top of I jj the car, the receiver tuned to the dls- H lurblng signal, and the auto sot un it iler way. The Idea was to circle through s given territory, the trend 1 of the circle always being In that dl- 1 icction where signals seemed loudest J Finally the signals would be defl- I nltoly located within a small area, i, I , where the search would be concon- t rated for the source of the" dlsturb- Th use of a loop or coll antenna III Simplifies this search considerably. At Is veil known, the loou antenna re-i re-i oeiVefl best when it lies In tho plane through which the signal advances If I tho plane of the loop points toward the transmitting station, the signal -Is loudest. If the plane of the o ll al right angles to the tjlrertlon of : propagation of the signals, no call will i he received. Two such loop.- set at some little j distance from each other will be able to closely approximate the location of 'the source of disturbance Tlo- local- Ity Is tbr-n visit'-il n rul careful S9 I notion made. In ease of electric light wires, it will I usually bo found that a hisrb tension , circuit is dis-harging Info the branch 'of a tre. or that a defective fust on the transformer pole Is gluing the trouble. , HOY s SET In the case of a amali i"-. his antenna usually will give him away. If this chances to bo Indoor-, inquiry in the neighborhood general-I) general-I) will disclose the culprit. have visiter communities where, 1 for Weeks at a time, faulty lighting circuits or high tension transmissions lines caused so much trouble as to make it Impossible for anyone within a radius of several miles to satisfactorily satisfac-torily receive broadcaster! programs When conditions such as these oxist It should fall upon the publb- Service company to take whatever steps are necessary' to eliminate the fault Usually Us-ually they are more than glad to cooperate. co-operate. oo