User's Manual

Model 1150A DVOR
1-18 Rev. - November, 2008
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to others for any purposes without written permission from SELEX Sistemi Integrati Inc.
1.3.1.2 Antenna System
Table 1-2 DVOR Equipment Specifications (Antenna System)
Parameter Specification
Type: Alford loop
Frequency Range: 108 to 118 MHz, field-tunable
Polarization: Horizontal
Antenna System Bearing Error: less than 0.5°
DME Co-Location: Permits coaxial mounting of DME antenna above carrier
Weather Protection Fiberglass radome
Blending Function: COS
.836
X
Number of Antenna: 48 Sideband, 1 Carrier
Modulation Type: Double-Sideband
Commutator Type: Solid-State
Frequency Range: 108-118 MHz broadband, no tuning
Blocking Attenuation (Switches Off) Greater than 80 dB
Insertion Loss: 0.5 dB maximum
Difference in Insertion Loss: Less than .05 dB
Phase Balance Less than 2 degrees
VSWR: Less than 1.15:1
Lightning Protection Provided on each Commutator output
1.3.1.3 Field Monitor
Table 1-3 DVOR Equipment Specifications (Field Monitor)
Parameter Specification
Antenna Type: Dipole
Number of Antennas: 1 Standard, 2 Optional
Frequency Range: 108 to 118 MHz
Output: Composite VOR signal, RF
Installation: Located at minimum of 91.4m (300 ft) from center of counterpoise
and level with counterpoise
Position: Any azimuth angle
VSWR: U 1.5:1 at 112 MHz