VHF High Gain Yagi Antenna
DESIGN FEATURES: The VHF band yagi antenna uses a special feed that eliminates the use of folded dipole. The unique design of the yagi antenna feed works as a matching device to keep the VSWR low resulting in increased efficiency of the yagi antenna. The TD – 150 VHF band yagi antenna is supplied with S0239 fixed on the driven element. This direct yagi antenna comes LAB tuned and does not require any field adjustment. The aviation band yagi antenna is highly suitable as a base station antenna. The yagi antenna uses ultra corrosion-resistant architectural anodized aluminum alloy. The antenna is supplied with a powder coating finish to protect it further from severe environmental conditions.
CONSTRUCTIONS: Antenna Experts aviation band yagi antenna design rejects innovative modern antenna construction Radiating
elements, supporting booms, and adjoining metal casting of yagi antenna have been constructed in high-quality aluminum alloys to prevent corrosion. Special mounting hardware permits the mounting of the yagi antenna in either Horizontal or Vertical polarization. The yagi antenna when packed comes with elements removed from the antenna boom for ease of packing and transportation. This yagi antenna can be assembled at the site with simple hand tools.
ELECTRICAL SPECIFICATIONS :
Frequency Range 136 – 174 MHz.
Gain 12 dBi
Bandwidth 8 MHz
Polarization Vertical or Horizontal
Input Impedance 50 Ohms.
Horizontal Beam-width -Half Power Points 65 Degrees
Vertical Beam-width –Half Power Points 55 Degrees
Front to Back Ra 16 dB.
VSWR – Better Than 1:1.5
RF Power Handling Capacity 200 Wa
Input Termination N-Female
MECHANICAL SPECIFICATIONS :
Mounting Hardware Stainless Steel
Gross Weight 5.0 Kgs.
Wind Rating 200 Km/Hr.
Overall Length at Center Frequency 2.0 Meters
Shipping Length 2.1 Meters
Support Boom -Cross Section-Outer Diameter Aluminum -Square Tube-25.4 mm
Elements – Materials -Cross Section -Outer Diameter Aluminum -Round Tube-19 mm
Maximum Mount Pipe Diameter 52mm ( 2 Inches )
Operating Temperature (-)30 to +70 Degrees Celsius
Storage Temperature (-)40 to +80 Degrees Celsius
Humidity 0 to 95% RH