VHF/UHF log periodic antenna, dipole

VHF30108LPDA and VHF30512LPDA

The VHF30108LPDA and VHF30512LPDA are transportable log periodic dipole array antennas suitable for field deployment.  The antenna can be folded and stored in a bag for transportation. The antenna is available in two configurations:

  • VHF30108LPDA – 30 – 108 MHz
  • VHF30512LPDA – 30 – 512MHz
Frequency Range VHF30108LPDA: 30 – 108 MHz
VHF30512LPDA: 30 – 512 MHz
VSWR < 3.5:1
Nominal Impedance 50 Ω
Power Rating 100 W CW
Gain > 5 dBi average
Front/Back Ratio > 15 dB
Polarisation Adjustable linear
Connector BNC female
VHF30108LPDA VHF30512LPDA
Design The antenna utilises a new technology with sectional glass fibre elements that gives optimum tuning capabilities with reduced weight.  The feeder assembly is painted aluminium. The antenna utilises a new technology with sectional glass fibre elements that gives optimum tuning capabilities with reduced weight.  The feeder assembly is painted aluminium.
Weight 10 kg 12 kg
Dimensions 3.6 x 5.0 m 4.4 x 5.0 m
Mounting Socket to fit a 50 mm spigot
Customer specific sizes on request
Socket to fit a 50 mm spigot
Customer specific sizes on request
Finish Matte black polyurethane lacquer Matte black polyurethane lacquer
Temperature Range – 55°C to + 71°C – 55°C to + 71°C