Sirio Antenne GP 87-108 LB, GP 108-136 LB Installation Manual

GP 87-108 LB GP 87-108 LB

GP 87-108 LB GP 87-108 LB

GP 87-108 LB

FM RADIO FM RADIO

FM RADIO FM RADIO

FM RADIO

BANDBAND

BANDBAND

BAND

GP 108-136 LB GP 108-136 LB

GP 108-136 LB GP 108-136 LB

GP 108-136 LB

VHF AIRVHF AIR

VHF AIRVHF AIR

VHF AIR

CRAFT BANDCRAFT BAND

CRAFT BANDCRAFT BAND

CRAFT BAND

B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 21/01/2003 - Cod. ID124

OPTIONAL FT-2 FIXING BRACKET

Type : Side Mast Fixing Bracket
Top Size : ∅ 38 mm for antenna fitting
Botton Size : ∅ 42/50 mm for fitting on the mast
Weight (approx.) : 1100 gr
Material : Galvanized Steel

P/N 2510004.00 FT-2 Universal

Installation ManualInstallation Manual

Installation ManualInstallation Manual

Installation Manual

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MOUNTING INSTRUCTIONS

DESCRIPTION

1/4 λ Ground Plane wide-band antenna for base station service. It is made of aluminium and hi-
quality materials to get the best efficiency and robustness. Its radial whip is earthed to be protected
against the static discharges. GP 87-108 LB is developed for FM radio band and GP 108-136 LB
is particularly recommended for the aereonautic band service.

SPECIFICATIONS

Electrical Data

Type : 1/4 λ Folded Ground Plane
Frequency Range
GP 87-108 LB : RADIO band: 87-108 MHz at V.S.W.R. ≤ 2.5 :1
GP 108-136 LB : VHF AIR. band: Rx 108-136 MHz; Tx 118-136 at V.S.W.R. ≤ 2:1
Impedance : 50 Ω Unbalanced
Radiation (H-plane) : 360o Omnidirectional
Radiation (E-plane) : Beamwidth at -3 dB = 78

o

Radiation angle deg. : 0

o

Polarization : Vertical
Gain : 0 dBd - 2.15 dBi
Bandwidth at V.S.W.R. 2:1
GP 108-136 LB : 22 MHz
V.S.W.R. at res. freq. : ≤ 1.2 : 1
Max Power : 1000 Watts
Feed System / Position : Direct DC-Ground / Center
Connector
GP 87-108 / 108-136 LB-U : UHF Female
GP 87-108 / 108-136 LB-N : N Female

Mechanical Data

Materials : Anodized Aluminium, Nylon, Stainless Steel
Wind Load / Resistance
GP 87-108 LB : 67 N at 150 Km/h / 160 Km/h
GP 108-136 LB : 56 N at 150 Km/h / 160 Km/h
Wind Surface
GP 87-108 LB : 0.06 m

2

GP 108-136 LB : 0.05 m

2

Height (approx.)
GP 87-108 LB : 1190 mm
GP 108-136 LB : 890 mm
Weight (approx.)
GP 87-108 LB : 1500 gr
GP 108-136 LB : 1310 gr
Mounting Mast : ∅ 36-40 mm

ID124

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