Whitecap Marine Antenna Bases and Accessories, Part No. S1802

S1802 Stainless Steel Ratchet Antenna Base can be adjusted up to 210° fore and aft and side to side but will fold down when not in use. The threaded mount has a center hole for center wire mounting. Fits antennas with standard 1″-14 thread. Base: 2-1/2″ x 3-5/8″. Use with antennas up to 15’.  S1802B Heavy-Duty Stainless Steel Ratched Antenna Base is a beefed up, heavy-duty version of the S1802. Same as S1802 but will accommodate your larger antennas in excess of 20 ft.