Nevada Radio

Sirio GPA 66-108

4m/VHF broadcast ground plane antenna

Price:

£39.95

 

Availability:

In Stock

Delivered in 1-2 Working Days

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Description

GPA 66-108

1/4 wave Ground Plane antenna for base station service working on 66-108 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.
Connector:     UHF-female (SO-239)

Specifications :-
  • Type:     1/4 wave ground plane
  • Radiation:     Omnidirectional
  • Polarization:     Linear vertical
  • Frequency range:   66-108 MHz Tunable
  • GPA 40-70:    3.7MHz @ SWR  2
  • Max Power - 500w (CW)
  • Connector:     UHF-female (SO-239)

Electrical Data

  • Type : 1/4 wave Ground Plane
  • Frequency Range : 66-108 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 - 2.14 dBi
  • Bandwidth at V.S.W.R. 2:1 : 6.5 MHz at 66 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 : 54 N at 150 Km/h / 150 Km/h
  • Wind Surface : 0.05 m2
  • Height (approx.) : 1930 mm
  • Weight (approx.) : 700 gr
  • Radial Length (approx) : 1080 mm
  • Mounting Mast Diameter  :  35-40 mm


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