Direction Finding Antennas and Accuracy

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By Johan Fuhri, Product Owner Part 1: Accuracy and Sensitivity It is sometimes said that: “If you can’t convince them, confuse them!”.  Nowhere is this more apparent than the minefield which is antenna datasheets and brochures. Direction finding antennas are meant to be instrumental in accurately determining the direction of an incoming signal, that much…

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An Introduction to Radio Direction Finding

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By Eugene Botha and Kalinka Faul Humans do audio direction finding to a remarkable precision of less than two degrees.  Shortly after the development of radio transmitters and receivers, radio direction finding (RDF or just DF) evolved for much the same reasons as human audio direction finding: firstly, for the location of possible threats and…

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High-Gain Omni Antennas in Mobile Applications

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By Johan Fuhri Antenna Principles High-Gain Omni-directional antennas are used in situations where the direction of the receiving antenna is not static or known.  A typical situation is where antennas are mounted on a mobile platform like a vehicle or vessel. In any communication system, the quality and throughput that can be attained through a…

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