Band Pass Stubs
by Eric Scace K3NA This presentation covers the construction of stubs for harmonic rejection at the W1KM station.
by Eric Scace K3NA This presentation covers the construction of stubs for harmonic rejection at the W1KM station.
by Dean Straw, N6BV A Presentation to tThe Yankee Clipper Contest Club in Milford, CT on February 1, 2003.
by Dean Straw, N6BV This was first presented at the YCCC Meeting in Milford, CT, February 1, 2003.
Tony Brock-Fisher, K1KP The basic problem is that the AL-1200 relay is a bit slow. I have developed a circuit that can be built and installed in the external keying line to the AL-1200 which will significantly increase the speed of the stock relay. No modifications are required to the AL-1200. The cricuit works by… Read More »
by Jeff Parker, KA1GJ I recently erected a simple two-wire Beverage antenna and, during a recent on-the-air meeting, was asked to write it up for the Scuttlebutt. The design of this antenna is published in the two excellent books listed below as references 1 and 2. The two-wire Beverage is fed from one end but… Read More »
(A “poor man’s 4-square” for Top Band) by John Kaufmann W1FV and Fred Hopengarten K1VR