Low Band Receiving Antennas for City Environments: Beverage, Pennant, Flag, and Quad
Description
This resource presents a technical comparison of low-band receiving antennas suitable for urban environments, focusing on designs like the Beverage, Pennant, Flag, and Quad. The methodology involves 'semi-scientific analysis' of common receiving antenna types, with an emphasis on mitigating noise in city settings. The document details construction parameters for each antenna, including feedline requirements such as 9:1 baluns and 300-500 Ohm terminating resistors. Specific considerations for deployment, such as avoiding radial fields and the necessity of preamplifiers, are discussed. Antenna dimensions are provided, for example, a full-size Quad requiring 540 feet of wire. Performance observations are included, noting that some configurations, like a specific Quad variant, achieved 160M CQ WW records and facilitated working over 120 JA stations without a preamp. The resource also covers practical aspects like temporary deployment of wire antennas and the impact of radial fields on noise levels.