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  1. K

    how to build an 11 meter ringo ????

    Original CR-1 Antenna I had one of the CR-1 Ringos back in the 70s and as you mentioned the ring diameter was 10". For a 1/2 W vertical it worked very well and had extremely low SWR across the 11M band. In those days I made regular 30 mile contacts with a barefoot E.F. Johnson 223.