The 6M7 is a mid-sized 7 element antenna designed with the aid of computer technology to produce maximum gain for its boom length. Features include machined aluminum element mounting blocks, O-ring sealed connectors and balun, silicone-gel sealed “T” match block, and stainless steel hardware. Elements are 1/4” aluminum rod with 3/8” tube center sleeves, and all are DC grounded. An overhead guy system is provided for additional boom support.