GPA 108-136

Civil Air band Ground Plane Antenna

1/4 wave Ground Plane antenna for base station service working on 108-136 MHz by means of the tuning diagram enclosed.

It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performance.

Electrical Data Type : 1/4 wave Ground Plane Frequency Range : 108-136 MHz tunable by diagram Impedance : 50 Ohms Unbalanced Radiation (H-plane) : 360o Omnidirectional Radiation (E-plane) : Beamwidth at -3 dB = 86o Radiation angle deg. : 0o Polarization : Vertical Gain : 0 dBd - 2.15 dBi Bandwidth at V.S.W.R. 2:1 : 12 MHz at 108 MHz V.S.W.R. at res. freq. : less than 1.2 : 1 Max Power : 500 Watts Feed System / Position : Direct / Center Connection : UHF Female

Mechanical Data

Materials : Aluminium, Chromed Brass, Nylon, Stainless Steel Wind Load / Resistance : 35 N at 150 Km/h / 150 Km/h Wind Surface : 0.03 m2 Height (approx.) : 1185 mm Weight (approx.) : 565 gr Radial Length (approx) : 650 mm Mounting Mast : diameter 35-40 mm