Shipboard conical antenna with conductive support mast

Claim 1

AN ANTENNA SUITABLE FOR RADIATION OVER A BOARD BAND OF FREQUENCIES AND HAVING A SELECTED GROUND PLANE, COMPRISING AN ELECTRICALLY CONDUCTIVE ELONGATED SECTION DISPOSED IN SUBSTANTIALLY PERPENDICULAR RELATION WITH RESPECT TO SAID GROUND PLANE, SAID ELONGATED SECTION BEING ELECTRICALLY CONNECTED IN COMMON WITH SAID GROUND PLANE; AT LEAST TWO ELECTRICAL CONDUCTORS MECHANICALLY CONNECTED TO SAID GROUND PLANT AND TO SAID ELONGATED SECTION TO FORM A TAPERED CROSS SECTION APPROXIMATING A TRIANGLE OF ANY TWO OF SAID ELECTRICAL CONDUCTORS WITH SAID GROUND PLANE; SAID ELONGATED SECTION DIVIDING THE ANGLE AT THE APEX OF SAID TRIANGLE; MEANS FOR ELECTRICALLY ISOLATING THE CENTER SECTION OF EACH OF SAID ELECTRICAL CONDUCTORS FROM SAID GROUND PLANE, SAID CENTER SECTION HAVING A LENGTH PROPORTIONAL TO THE WAVELENGTH AT A CENTER FREQUENCY WITHIN SAID BAND FREQUENCIES; MEANS FOR ELECTRICALLY CONNECTING EACH OF SAID CENTER SECTIONS OF SAID ELECTRICAL CONDUCTORS IN COMMON, THE LAST SAID MEANS BEING ELECTRICALLY CONNECTED TO EACH OF SAID CENTER SECTIONS AT THE END CLOSEST TO SAID APEX; SAID ELONGATED SECTION INCLUDING A TRANSMISSION LINE FOR THE TRANSMISSION OF ELECTRICAL WAVE ENERGY TO SAID ANTENNA, AND MEANS FOR APPLYING SAID ELECTRICAL WAVE ENERGY FROM SAID TRANSMISSION LINE TO SAID MEANS ELECTRICALLY CONNECTING EACH OF SAID CENTER SECTIONS OF SAID ELECTRICAL CONDUCTORS IN COMMON SUCH THAT WAVE ENERGY TO BE RADIATED IS DISTRIBUTED TO SAID CENTER SECTIONS IN SUBSTANTIALLY EQUAL PROPORTIONS VIA THE ENDS THEREOF CLOSEST TO SAID APEX.