ARDF has two frequency dependent disciplines. One uses Short Waves (3.5 Megahertz or 80m wavelength) and the other uses VHF frequencies (144 MHz or 2m wavelength). The receivers and tactics differ for each band. The 80m ARDF event is normally easier and better suited for beginners. The signal strength does not depend as much on the terrain as it does in the 2m band and reflections are much less of a problem. The 2m ARDF event is more difficult. Reflections and signal strength are more dependent upon terrain and can fool even the experts. Equipment for this band is usually more complex. Receivers (Rx) 2m VK3YNG Mk4 Foxhunt SnifferThe VK3YNG Foxhunt Sniffer is a VHF direction finding receiver covering 120MHz and 144MHz bands. The receiver is designed for quickly finding the direction of beacons or hidden transmitters. Click here for more information. 2m VK3YNG MicroSnifferThe MicroSniffer is a fully autoranging VHF or UHF sniffer, similar to the Mk4, but available as a board level product. Click here for more information. 80m VK3YNG – (VK3MZ)This is a redesigned version of the 80m Mk1 kit, and is based on the original concept by VK3MZ. Click here for more information. Antenna VK3VT 2m Sniffer BeamThis beam antenna has been in use by the VK3VT team for at leat 20 years – nearly all foxhunters in Melbourne use this antenna. Click here for more information. Transmitters (Tx) The following transmitters are used in ARDF competitions.