Antennas

The C146 Series of antennas provide GPS reception at L1 and L2 frequencies and are suitable for a wide variety of installations. It has been designed with broadband radiating elements and a quadrature feed network. The broadband elements allow the C146 Series to provide continuous coverage from L2 through L1 without regard for operating temperature.  The quadrature feed network, beyond offering excellent circular polarization and minimum axial ratio, provides low phase ripple, excellent pattern symmetry and a stable phase center.

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The N4-33 VOR/LOC antenna has a low drag balanced loop design for use on high performance aircraft where aerodynamic drag must be kept to a minimum. The N4-15 antenna provides increased range and reduced barring error. Rugged construction provides erosion resistance; a flush fiberglass housing improves aerodynamics; and a foam-filled assembly ensures maximum durability.

The N4-15 is a VOR/LOC, low drag, balanced loop antenna designed to be used on high performance aircraft where aerodynamic drag and weight are crucial. This antenna system provides increased range and reduced bearing error. The rugged metal edges provide erosion resistance, and a flush glass fiber housing ensure smooth airflow to reduce drag. Each assembly is foam filled for maximum reliability. The N4-15 is primarily intended for new aircraft installation or as a retrofit when dual-antenna capability is required.

The DM N25 Series of glide slope antennas employ a grounded, center-fed loop as the radiating element. The resulting radiation patterns are symmetrical. All DM N25 Series antennas provide complete lightning protection for the associated receivers. They are suitable for mounting either externally, or within a nose radome. The inherent 180° pattern beam may be modified slightly by the geometry surrounding the installation. The DM N25 antennas are recommended for installations in close proximity to radar dish installations since the antenna’s (glide slope) sensitivity is relatively unaffected by dish motion.

The N4-33 VOR/LOC antenna is designed for high performing aircraft where aerodynamic drag and weight must be held at a minimum. These systems provide increased range and reduced bearing error — not possible with dipole type installations. Rugged metal edges provide erosion resistance and the flush glass housing ensures smooth airflow for reduced drag. Each assembly is foam-filled for maximum reliability. The N4-33 is intended primarily for retrofit installations or antenna modifications on existing aircraft and designed for ease of installation.

The DM N4-17 VOR/LOC/Glide slope antenna is designed for general aviation, commercial, and military aircraft that operate up to Mach 1.0. DM N4-17 is designed to provide a low-cost, lightweight, and low-drag antenna for state-of-the-art avionics. This antenna's performance parameters exceeds environmental specifications of MIL-5400 Class 3 equipment; therefore, it can be installed on single engine to jet engine aircraft. The balanced loop design of the DM N4-17/N assures an omnidirectional radiation pattern at the horizon to obtain maximum signal for VOR and area navigation which provides more receiving distance and reliable system performance.

The N4-17 VOR/LOC/GS antenna is designed for general aviation, commercial, and military aircraft that operate up to Mach 1.0. DM N4-17 is designed to provide a low-cost, lightweight, and low-drag antenna for state-of-the-art avionics. This antenna’s performance parameters exceed environmental specifications of MIL-5400 Class 3 equipment; therefore, it can be installed on single engine to jet engine aircraft. The balanced loop design of the DM N4-17/N assures an omnidirectional radiation pattern at the horizon to obtain maximum signal for VOR and area navigation which provides more receiving distance and reliable system performance.