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Serving the Aviation Industry since 1973
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DMNI24-19-1 L-Band Blade Antenna
Frequency 849-1220 MHz
Discontinued Item
(DAI Part# DMNI24-19-1)
These L-Band blades utilize a new concept of antenna design and manufacture which makes them ideal for commercial as well as military application. The radiating element is encapsulated in an epoxy dielectric body by a transfer molding process. This simple design has several notable advantages:

Moisture Proof -- The antenna is impervious to moisture penetration either by direct immersion or by extended exposure to high-humidity conditions.
Rugged Design -- The interlocked mounting base and radiating element, molded into the dielectric body, are a completely unified, integral, and rugged assembly.
Economy -- The molding process is a high-production technique, substantially reducing antenna cost.

The antennas have been used with various equipment such as DME, IFF, TACAN, TELEMETRY, and BEACON. The DMNI29-15, DMNI29-19, and DMNI29-18, have been designed to provide ideal performance for various Flight-Fone Systems.

SPECIFICATIONS
Electrical
Frequency Range 849 to 1220 MHz
VSWR 0.85 to 0.90(1.4:1)
0.90 to 1.10(1.7:1)
1.10 to 1.22(2.0:1)
Gain Typically within 0.5 dB of a matched I/4 stub
Polarization Vertical
Power 100 Watts average
4.0 kW peak
Radiation Patterns Similar to I/4 stub
Mechanical
Weight 6 lbs.
Connector N (female
Aero Drag 13 oz. sea level, Mach 0.5
30 oz. sea level, Mach 0.8
ARINC 532 D (ATC Transponder)
521 D (DME)
FAA TSO-C66(DME)
TSO-C74(ATC Transponder)
ENV. CAT. ABAXXXXCL1
Harris (D&M/EDO)
Antennas, Couplers, Diplexers
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