Antenna systems

Claim 1

A SELF-CONTAINED ANTENNA SYSTEM COMPRISING IN COMBINATION: (A) A CIRCULAR DIRECTIONAL ANTENNA LOOP ASSEMBLY INCLUDING A CONDUCTIVE INSULATED FIRST WIRE LOOP HAVING A PAIR OF OUTPUT LEADS, A MATCHING RESISTOR MEANS CONNECTED IN SAID FIRST WIRE LOOP, A SECOND CLOSED WIRE LOOP DISPOSED CONCENTRICALLY WITH AND ON ONE SIDE OF SAID FIRST WIRE LOOP, A THIRD CLOSED WIRE LOOP DISPOSED CONCENTRICALLY WITH AND ON THE OPPOSITE SIDE OF SAID FIRST WIRE LOOP, AND A NON-CONDUCTIVE HOLLOW TUBULAR CASING ENCLOSING SAID WIRE LOOPS AND SUPPORTING THE SAME; (B) A BASE FOR SAID ASSEMBLY, SAID BASE HAVING A MAXIMUM DIMENSION WHICH IS SUBTANTIALLY SMALLER THAN THE DIAMETER OF SAID LOOP ASSEMBLY; (C) A TRANSISTOR PREAMPLIFIER CIRCUIT DISPOSED WITHIN SAID BASE, SAID PREAMPLIFIER CIRCUIT HAVING AN INPUT PORTION; (D) BRACKET MEANS SUPPORTING SAID ANTENNA LOOP ASSEMBLY; (E) COUPLING MEANS INTERPOSED BETWEEN SAID BASE AND SAID BRACKET MEANS FOR MOUNTING SAID BRACKET MEANS AND THEREBY SAID ANTENNA LOOP ASSEMBLY FOR BOTH ROTARY AND PIVOTAL MOVEMENT THEREOF WITH RESPECT TO SAID BASE; (F) OPERATING MEANS CARRIED BY SAID BASE AND INCLUDING A HANDLE PORTION PROJECTING THEREFROM FOR OPERATING SAID COUPLING MEANS TO MOVE SAID BRACKET AND THEREBY SAID ANTENNA LOOP ASSEMBLY; AND, (G) MEANS CONNECTING SAID OUTPUT LEADS TO SAID INPUT PORTION OF SAID PREAMPLIFIER CIRCUIT.