LF Antennas

We offer both Passive and Active Low Frequency (LF) Antennas which pick up the desired broadcast signal and sends it to a corresponding LF Receiver in the Time & Frequency System.

Our LF Antennas are available for the following LF time broadcast signals:

  • MSF 60kHz(UK)
  • DCF77 77.5kHz (Germany)
  • WWVB 60kHz (USA)

Passive LF Antenna

The antenna utilises a tuned ferrite rod for reception of the particular LF signal.

Suitable for applications where safety is critical, e.g. military, oil & gas refineries or similar applications where there is no power sent to the antenna.

Cable lengths of up to 100 metres may be utilised with the Passive Antenna. The Antenna is supplied complete with a 15 metre cable for system testing purposes.

Active LF Antenna

Certain areas may experience poor radio reception of LF time signals especially with antenna locations involving steel structured buildings.

In such cases, we recommend the use of the Active Antenna. It will improve reception and help overcome interference or weak signal strengths. The Active Antenna is identical in form and fit to the Passive Antenna.

  • Increases signal gain in areas of poor reception
  • May be utilised with up to 300m coaxial cable
  • May be used with a choice of time broadcast signals

This Active LF Antenna will increase the gain of the signal by 32dB with a signal to noise ratio improvement of the order of 26dB.

Cable lengths of up to 300 metres may be utilised with the Active LF Antenna compared with only 100 metres for the Passive LF Antenna. The Active LF Antenna is supplied complete with a 15 metre cable for system testing purposes.