Overview

DX Engineering Receive 8 Circle Array Controllers

DX Engineering RCA8C-1 Receive 8 Circle Array Controllers are the highly sophisticated switch controller relay units from the Eight Circle Array Systems--the receiving systems that use time delay phasing--rather than the conventional narrow-band, frequency-dependent phasing, to provide eight 45 degree spaced directional patterns.

The RCA8C time delay phasing is directivity-optimized to produce wider and deeper rear nulls and a narrower main lobe. The result is that noise and undesirable signals are greatly reduced for a superior front-to-rear ratio (F/R). Better control of phase and currents provides a cleaner pattern with the Receive 8 Circle than is available with vertical antenna transmit arrays.

DX Engineering Receive 8 Circle Array Controllers are designed to be used with eight identical vertical active or passive vertical elements, symmetrically spaced in a large circle, to provide switching for an 8-direction receiving antenna system. Passive elements will generally provide you with a monoband receiving system.

Finally, these systems offer greater reliability in receiving applications. Receive Eight Circle Array Controllers use sealed relays sized for receiving applications with silver contacts to prevent oxidation and contamination. Most transmitting four-square switches use large open-frame relays where the contacts are exposed to the air, which can lead to contamination. Relays with brass contacts can oxidize, leading to poor conductivity.

Receive Eight Circle Array controllers feature:

* W8JI design
* Operation from 100 kHz to 30 MHz
* Excellent directivity for better signal-to noise ratio
* Switching console provides eight 45 degree spaced directions
* Less physical space and maintenance required than phased Beverage antennas
* Low current DC powered control console allows system operation without AC power mains

The optional DX Engineering Eight Circle Receive Short Element Active Vertical Antenna Package, DXE-RSEAV-8, offers excellent receiving performance from 100 kHz to 30 MHz, while using only a 8.5 ft. (2.6m) aluminum vertical antenna elements. A unique design makes the Receive Eight Circle Array System vastly superior to traditional active vertical antennas in both strong signal handling and feedline decoupling. This results in significantly better weak signal reception due to lower spurious signal interference and reduced noise.

DX Engineering RCA8C Receive 8 Circle Array Controllers are the foundation of your Eight Circle Array!

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