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Trilinear HF Antenna

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       The structure of trilinear HF antenna is different from broadband bipolar antennas and it is a new style HF Base Station antenna with excellent performance (special three-wire dipole structure , low loss, high radiation efficiency, light weight, keep Low VSWR in whole bandwidth).

  • Detailed introduction

 Summary

 

           The trilinear HF antenna erected smooth and completely overcome the problem of normal broadband dipole antenna (such as center of gravity deviation, swaying, delicate problems. It is not only  ensure stable communication performance, but can achieve strong wind resistance.

           Practice has proved that the signal level of trilinear HF antenna is more strength than broadband dipole antenna. Moreover, trilinear HF antenna has other notable features such as low cost, suitable for application in country and improve quality of HF communication.

 

CONFIGURATION OF TWO WAYS,ADAPTED FOR DIFFERENT PURPOSES:

 

Inverted ‘V’ configurationOmni-directional Communication

 

 

            Inverted ‘V’ configuration is  hanging the central parts of the antenna at the top support bars, diagonal straight on both sides, vibrator to an angle of about 55 °.This way of erecting omnidirectional radiation, and keep balance between horizontal and vertical  polarized waves,  The communication effects are perfect among level antenna, whip antenna, loop antenna of each direction of the external  , suitable for antenna center station, and equipped with 125W radio up to 1500 km radius of radio communication. The length of antenna is 30 meters, the central high is 15 meters  , on both sides of 2 meters , spacing is 18 meters. 

 

Horizontal ConfigurationDirected communication

 

 

            This form of erecting antenna radiation is stronger than the narrow side of the broadside direction  (for example, when erected on East, North-South for wide brim),Suitable for oriented communication with point to point, point to fan. The maximum communication distance is 2000~3000 km equipped with  125W radio. Side height bracket to 1/4 wavelength is better (for example: F=10MHz, frame height is about 7.5 meters), usually with a mean of the frequencies commonly used design for bracket height. If the site is limited, it can also use the building as the bracket.

 

Technical Parameter  

 

 

Frequency Range

2~30 MHz

Input  power

125W constant amplitude communication、250W Peak

VSWR

2.5:1

Impedance

50Ω

MAX High wind resistance

207 Kilometer / hour

Expand Length

28Meter/22Meter

Weight

6 KG

Size

1.4 M x 0.15 M x 0.1 M

 

 

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