Short half-wave antenna with plural loading coils

Claim 1

A PHYSICALLY SHORTENED HALF-WAVE ANTENNA ELEMENT FOR THE FREQUENCY F1 COMPRISING A CONNECTOR HAVING A SHIELD PORTION AND A CENTRAL PIN CONNECTOR PORTION, A PRIMARY COIL, A SECONDARY COIL INDUCTIVELY COUPLED WITH SAID PRIMARY COIL, ONE END OF EACH OF SAID PRIMARY AND SAID SECONDARY COILS BEING CONNECTED TO THE SHIELD PORTION OF SAID CONNECTOR, THE OTHER END OF THE PRIMARY COIL BEING REMOVABLY SECURED TO THE CENTRAL PIN CONNECTOR PORTION OF SAID CONNECTOR, A CONDUCTOR HAVING A FIRST AND SECOND END, THE OTHER END OF THE SAID SECONDARY COIL BEING CONNECTED TO SAID FIRST END OF THE CONDUCTOR, AN ANTENNA WHIP, A FIRST LOADING COIL, SAID FIRST LOADING COIL HAVING ONE END CONNECTED TO THE SECOND END OF THE CONDUCTOR AND THE OTHER END CONNECTED TO THE ANTENNA WHIP, A SECOND LOADING COIL, SAID SECONDARY LOADING COIL BEING DISPOSED BETWEEN SAID SECONDARY COIL AND SAID FIRST LOADING COIL BUT SUBSTANTIALLY CLOSER TO SAID SECONDARY COIL AND HAVING ONE END CONNECTED TO THE SHIELD PORTION OF SAID CONTAINER TO FORM A COMMON ANTENNA BASE WITH A SIMILARLY CONNECTED ENDS OF THE PRIMARY AND SECONDARY COILS, AT LEAST ONE RADIAL EXTENDING IN A DIRECTION OPPOSITE TO THAT OF THE ANTENNA WHIP AND CONNECTED TO THE OTHER END OF SAID SECOND LOADING COIL, SAID PRIMARY AND SECONDARY INDUCTIVELY COUPLED COILS, SAID CONDUCTOR MEANS, SAID FIRST LOADING COIL AND THE ANTENNA WHIP ALL BEING RELATIVELY DIMENSIONED SO AS TO BE ELECTRICALLY EQUIVALENT TO THE NATURAL QUARTER-WAVE LENGTH OF THE FREQUENCY F1, SAID SECOND LOADING COIL AND SAID AT LEAT ONE RADIAL BEING RELATIVELY DIMENSIONED TO PROVIDE A VERY SHORT TUNED COUNTERPOISE ELECTRICALLY EQUIVALENT TO THE QUARTER-WAVE LENGTH OF THE FREQUENCY F1.