R&S®AK503 Antenna

Mobile HF Antenna

  • Overview

Key Facts

The HF Antenna R&S®AK503 has been designed especially for mobile use. Short erection and disassembly times and low space requirements for installation and transportation have been combined with good electrical characteristics.

Features

  • Coverage of all distance ranges
  • No skip zone
  • Omnidirectional coverage with high-angle radiation (NVIS)

Specifications

Model Frequency range
R&S®AK503 1.5 MHz to 30 MHz

Key Facts

1.5 MHz to 30 MHz Highly reliable HF antenna for mobile use

The HF Antenna R&S®AK503 has been designed especially for mobile use. Short erection and disassembly times and low space requirements for installation and transportation have been combined with good electrical characteristics. Through optimized design with a focus on propagation conditions in the medium-wave and shortwave range, the antenna provides high reliability in radiocommunication.

The automatic Antenna Tuning Unit R&S®FK2100 ensures optimum antenna tuning in the entire operating frequency range.

Switchover between the three operating modes (optimized for specific frequency and distance ranges) is performed manually at the antenna head.

Features & Benefits

  • Coverage of all distance ranges
  • No skip zone
  • Omnidirectional coverage with high-angle radiation (NVIS)
  • Omnidirectional coverage up to 1000 km due to null fill-in
  • Installation time approx. 10 min

Specifications

R&S®AK503
Frequency range 1.5 MHz to 30 MHz
Max. input power 150 W CW and PEP
Operation
   Mode 1 1.5 MHz to 30 MHz
   Mode 2 6 MHz to 26 MHz (optimized)
   Mode 3 for ground-wave communication and distances >2000 km
Connector clamp
MTBF >100 000 h
MTTR <1 h
Operating temperature range –40 °C to +55 °C
Max. wind speed 120 km/h (without ice deposit)
Length including guy rope approx. 35 m
Height approx. 7 m to 11 m
Weight approx. 6 kg
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