1/4 wave Ground Plane antenna for base station service working on 40-70 MHz.
Specifications:
Type: 1/4 wave ground plane
Radiation: Omnidirectional
Polarization: Linear vertical
Frequency range: 40-70 MHz Tunable
GPA 40-70: 3.7MHz @ SWR 2
Max Power - 1000w (CW)
Connector: UHF-female (SO-239)
Electrical Data:
Type : 1/4 wave Ground Plane
Frequency Range : 40-70 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 : 3.5 MHz at 40 MHz
V.S.W.R. at res. freq. : less than 1.2 : 1
Max Power : 1000 Watts
Feed System / Position : Direct / Center
Connection : UHF Female
Mechanical Data:
Materials : Aluminium, Chromed Brass, Nylon, Stainless Steel
Wind Load / Resistance : 85 N at 150 Km/h / 150 Km/h
Wind Surface : 0.07 m2
Height (approx.) : 3200 mm
Weight (approx.) : 935 gr
Radial Length (approx) : 1800 mm
Mounting Mast Diameter :- 35-40 mm
