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Query: beverage matching
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Two Wire Beverage by Jeff Parke, describes a two-wire Beverage antenna design for improved reception with switchable direction (forward/backward) and lower noise level. It includes details on building the antenna, matching transformers, and a control box for selecting direction and connecting to the receiver.
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Building some proper matching transformer for loop on ground and Beverage antennas
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The Beverage on Ground (BOG) antenna offers ham radio operators a compact alternative to traditional Beverage antennas, requiring less space and fewer support structures. This implementation, optimized for 1.8-7 MHz bands, describes ideal parameters: lengths of 60-90 meters, height of 2-10 cm above ground, and specific load resistances based on configuration. The article details experimental methods for determining optimal load resistance and presents matching systems to convert BOG impedance to 50 ohms. While less effective than classic 200-300 meter Beverages, the BOG provides directional reception in limited space, though performance varies with ground conditions and weather changes.
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This page provides information about building a Beverage antenna for hams. The article discusses using a 60m wire on the ground to create an effective antenna for amateur radio operators. Learn how to set up and optimize this type of antenna for better reception and communication. This describes a low-noise receiving Beverage antenna setup for low bands, using a N30 cup core transformer for 1:4 impedance matching (likely 50:200 Ohm), RG-58 feedline with heavy common-mode choking, and conduit for wire burial.