6m 6el June 2004 50.000 50.110 50.200 MHz 6 elements, inches 0.7874 0.3937 0.0000 2.3622 56.2322 34.5157 2.3622 53.5550 87.0313 2.3622 51.7755 181.4209 2.3622 50.5708 259.8735 2.3622 50.6968 340.1568 2.3622 48.4566 Optimized for good f/b E plane and H plane, boom is 3.2 +2.25 +3.2m of 32mm od pipe with 3.2m of 39mm pipe over the middle. The 39mm has fingers 4cm long made using 8 saw cuts each end. A jubillee clip tightens the fingers and tape wound round the ends of the 3.2m pieces that goes inside stops it rattling. Also some screws to stop it turning. Sizal rope inside the whole boom length. Elements touch the boom with 12cm long L brackets. Matched to 50ohms with two 99cm (1/4 wave) paralled lengths of RG58U tightly coiled to make a choke balun.