https://consumer.steppir.com/product-category/horizontal-antennas/4-element-antenna-products https://www.eham.net/reviews/view-product?id=1833 Thoughts on the SteppIR 4 Element Yagi Copy source is: http://www.k6if.com/steppir/steppir_4el.html A Contester’s ViewBy Dan Levin, K6IF and Marty Levin, W6BDN – April 12, 2004 The Antenna The 2 element SteppIR is a short boom, driven plus director, … Continue reading SteppIR Antennas