Sirio GPA 108-136
Civil air band ground plane antenna
Description
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
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