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            RFS RADIO FREQUENCY SYSTEMS HLO SERIES

            GENERAL DESCRIPTION


            ROTATABLE LOG PERIODIC ANTENNA - HLO SERIES

            photo RFS Radio Frequency Systems HLO Series The HLO430 is a high performance rotatable log periodic designed to provide reliable link establishment over short, medium and long distances with mobile stations.

            Characterised by its high gain performance whilst maintaining excellent front to back ratio, the HLO is capable of providing coverage in excess of 5000 kms.

            The broadband feature enables transmission over 4-30 MHz and reception within the full 2-30 MHz band. A high performance rotary joint enables continuous rotation with a complete 360° turn achieved in two minutes.

            A unique design feature of the HLO is the ability to raise and lower the antenna without the use of cranes or special erection towers.

            TECHNICAL SPECIFICATIONS
            MODEL
            HLO430
            Electrical
            Frequency Range (MHz) 4 - 30 MHz for transmit, 2 - 30 MHz for receive
            Polarization
            Horizontal
            Input Impedance
            50 ohm nominal
            VSWR
            2.0:1 maximum
            Gain (dBi) 12 dBi nominal
            Azimuth beam width (deg) 72° nominal
            Power Rating (kW) 10 kW Av, 20 kW PEP
            Mechanical
            Total Height (m) 34.5
            Ground Dimensions (m) diameter 58
            Boom length (m) 28
            Dipole span (m) 36
            Number of dipoles
            14
            Rotation
            continuous, 1/2 turn per minute
            Wind Rating (km/hr) 230
            Packed weight (kg) 7880
            Specifications may change without notice

            AZIMUTH RADIATION PATTERNS
            RFS Radio Frequency Systems HLO Series azimuth radiation patterns


            ELEVATION RADIATION PATTERNS
            RFS Radio Frequency Systems HLO Series elevation radiation patterns
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