Ground Plane Antennas438.03.05.00

Heavy duty broadband ground plane 145-175MHz

Description

The 438 Series are heavy duty omni antennas consisting a broadband quarter wave radiator and four radial ground planes of an extremely rugged and reliable construction. The quarter wave radiator incorporates a d.c. short to minimise static interference. The antenna is available in a variety of two part lacquer finishes, including IR proof military green.
• Former Skymasts brand product.

Specifications

Electrical
Frequency 145 - 175 MHz
Max. Input Power 500 W
Polarisation Vertical
3 dB Beamwidth, E-Plane 80 °
3 dB Beamwidth, H-Plane Omnidirectional
Impedance 50 Ω
Gain 0 dBd (2.2 dBi)
VSWR < 2.0:1
Lightning Protection Lightning current handling capability: 200 kA According to EN 62305-1 (Test pulse 10/350 μs)
Mechanical
Radiating Element(s) 100 mm dia.x 2 mm wall aluminium alloy grade 6063T6
Ground Plane Matl 32mm dia. x 1.5mm wall aluminium alloy grade 6063T6
Connection(s) N(f)
Fasteners Stainless steel grade A2-70
Length 770 mm / 30.31 in.
External Finish Polyester Coated White (Other colours available on request)
Wind Load 108 N (160km/h)
Weight 3.4 kg / 7.50 lb
Mounting Integral bracket suits up to 60 mm dia. pole
Environmental
Survival Wind Speed 280 km/h

Diagram and Mounting

RADIATION PATTERNS

E-Plane | 160 MHz E-Plane | 160 MHz

RADIATION PATTERNS

H-Plane | 160 MHz H-Plane | 160 MHz

Ordering Designations

Model Product No. Frequency
Heavy duty broadband ground plane 145-175MHz 438.03.05.00 145 - 175 MHz