HALF CYLINDER LOOPS MOUNTED ON CONDUCTIVE GROUND PLATES; TWO SYMMETRICALLY LOCATED GAPS COMBINED BY A SERIES-PARALLEL WIRING ARRANGEMENT TO DRIVE COAXIAL OUTPUT CONNECTOR; FREQUENCY RESPONSE MORE THAN 230 MHZ; MAX OUTPUT 5KV; MAX FIELD CHANGE 5 X 10 TO 5TH; OUTPUT CONNECTOR GR874L-50 OHMS; MASS 4.5KG; 16.299 IN. LG; 14.291 IN. W; 5.196IN. H