QUARTER-WAVE MATCHING SYSTEMS FOR STACKING ANTENNAS

by VE3GK  GERRY KING    ve3gk@rac.ca

IN PHASE [ NO MAGIC HERE ] 

THE ENERGY HAS TO ARRIVE AT EACH ANTENNA AT THE SAME TIME FOR THE SYSTEM TO BE IN-PHASE. ALSO EACH 50 OHM FEED LINE HAS TO BE EQUAL LENGTH AND BE IN MULTIPLES OF 1/2 WAVE LENGTHS SO THERE IS NO CHANGE IN IMPEDANCE. [ LINES "A" AND 'B"

MATCHING 2 ,  50 OHM ANTENNAS

 

 (This is the way I feed my present stacks)  

 

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MATCHING 3 ,  50 OHM ANTENNAS

 

MATCHING 4, 50 OHM ANTENNAS

73 GER VE3GK