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Travelling Wave Dipole
Antennas & Masts HF Base Antennas and Tuners

Travelling Wave Dipole

BROADBAND HF BASE ANTENNA

The Travelling Wave Dipole is a broadband HF antenna covering 2 to 30 MHz at up to 1000 W RF power, delivering omni-directional coverage for short to long distance voice and data communications.

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INNOVATION AT OUR CORE

BROADBAND COVERAGE ACROSS 2 TO 30 MHZ

Base stations need full-band HF performance without unnecessary tuning hardware. The Travelling Wave Dipole connects directly to the transceiver through a single coaxial cable, supporting continuous voice and data operation across the HF band. With high radiation efficiency and available 2 to 30 MHz or 3 to 30 MHz variants, it gives teams a dependable antenna platform for demanding base station networks.

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OMNI-DIRECTIONAL COVERAGE FOR EVERY LINK

HF networks often need to support local, regional, and long-distance communications from the same site. The antenna provides an essentially omni-directional pattern, combining high and low angle radiation for flexible coverage. Installation height can be adjusted to favour shorter links, while broadside orientation supports longer-distance communication paths.

PROVEN RESILIENCE

BUILT FOR HARSH OUTDOOR SERVICE

Permanent and semi-permanent HF sites need antennas that can withstand long exposure outdoors. Built from materials selected for harsh environments, the Travelling Wave Dipole is designed for long service life in the field. A nominal 50 ohm impedance, typical VSWR below 2.5:1, and full duty cycle power handling help maintain reliable voice and data links over extended operation.

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FREQUENCY

Broadband 2 to 30 MHz coverage, with 3 to 30 MHz variant available.

POWER RATING

Up to 1000 W PEP, with a 125 W PEP variant for lighter installations.

OMNI-DIRECTIONAL

Essentially omni-directional pattern with high and low angle radiation.

NO TUNER NEEDED

Broadband design removes the need for a separate antenna tuner unit.

50 OHM MATCH

Nominal 50 ohm impedance with typical VSWR below 2.5:1 across the band.

FULL DUTY CYCLE

Rated for 100 percent duty cycle voice and data at the rated power level.

RUGGED BUILD

Materials selected for long service life in harsh outdoor environments.

Antenna type Broadband travelling wave dipole HF base antenna
Pattern Essentially omni-directional
Operation 100 percent duty cycle voice and data; rated for data
Coverage Short to long distance HF communications
Tuner Broadband design; no separate antenna tuner unit required
Connection Single coaxial cable (RG58 or low loss RG213)
Frequency range 2 to 30 MHz or 3 to 30 MHz variants available
Power rating 125 W or 1000 W PEP
Nominal impedance 50 ohm
VSWR Typically less than 2.5:1
RF connector type UHF-type (125 W), N-type (1000 W)
Mast heights Two masts of 15 m in height
Mast spacings 40 m separation between masts
Installation height 15 m standard; lower for shorter distance links
Orientation Broadside to required direction for long distance links
Materials Selected for long service life in harsh outdoor environments
DATASHEET Travelling Wave Dipole Datasheet
MISSION OUTCOME

Travelling Wave Dipole carries the HF link when infrastructure is absent and distance is unforgiving. The broadband HF antenna runs full duty cycle voice and data across 2 to 30 MHz at up to 1000 W PEP, with an essentially omni-directional pattern for short to long distance coverage. Plus, a broadband design removes the separate tuner, connecting straight to the transceiver on a single coaxial cable. Built from materials selected for long outdoor service life, the Travelling Wave Dipole stands up where the field is harshest.