MOUNTING INSTRUCTIONS
DESCRIPTION
2x5/8
λ
Ground Plane base station colinear antenna for land and marine service. It works on
the frequency range of 140-175 MHz by using the cutting diagram enclosed. The matching coil
is DC feeded for a perfect protection from the static discharges. GP 6-E is made of non-corrosive
aluminium and assembled on a very strong base of die-cast metal to get the maximum robustness
and the best performance. Tuning is easy by following the attached directions.
SPECIFICATIONS
Electrical Data
Type
:
2x5/8
λ
Colinear Ground Plane
Frequency Range
:
140-175 MHz tunable by cutting
Impedance
:
50
Ω
Unbalanced
Radiation (H-plane)
:
360
o
Omnidirectional
Radiation (E-plane)
:
Beamwidth at -3 dB = 30
o
Radiation angle deg.
:
3.6
o
Polarization
:
Vertical
Gain
:
3.8 dBd - 5.95 dBi
Bandwidth at V.S.W.R. 2:1
:
5.2 MHz at 140 MHz
V.S.W.R. at res. freq.
:
≤
1.2 : 1 at 140 MHz
Max Power
:
200 Watts
Feed System / Position
:
Transformer DC-Ground / Base
Connection
:
UHF Female
Mechanical Data
Materials
:
Aluminium, Chromed Brass, Nylon
Wind Load / Resistance
:
46 N at 150 Km/h / 120 Km/h
Wind Surface
:
0.04 m
2
Height (approx.)
:
3060 mm
Weight (approx.)
:
750 gr
Mounting Mast
:
∅
25-30 mm
ID239
