Array Solutions - SAL12/20/30 - Mark II Manual – Rev. 1.5.1 – September, 2018
mounted on the mast. Relays in the switching unit route signals from the appropriate
combination of loops in response to commands received from the controller. A single
delay line also connects to the switching unit to provide the necessary true-time-delay so
that signals can be properly combined to achieve the desired directive pattern. The
switching unit has a socketed dual stage preamplifier that provides a buffered and
matched load for the combiner and boosts the summed signals before they are sent to the
controller.
The AS-SAL-12 Mark II should provide a directional pattern up to 28 MHz. The AS-
SAL-20 Mark II should provide a directional pattern up to 14 MHz, and the AS-SAL-30
Mark II up to 7 MHz.
The Shared Apex Loop™ design provides the following benefits:
• Competitive Front to Back/Side rejection in eight directions especially on low
angle vertically polarized signals and local interference
• Compact footprint that is ideal for small yards
• Easy setup for tactical applications
• Wideband operation without need for adjustment that is great for SDR, Skimmers
and military
• Ease of Construction, and quick deployment, DX-peditions, military, seasonal
take down is easy
• No RF ground at the antenna required
• Modular design – easy to replace parts
• Field upgradeable - amplifier stage is socketed
• No control cables; control and powered over the RG-6 coax feed line from the
controller, very smart and cost effective design.
• The SAL Controller can be interfaced to a PC for remote operation.
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