IEEE 189-1955

IEEE 189-1955 is a technical standard for testing receivers that employ ferrite core loop antennas, providing a defined method for evaluating how these receivers perform under controlled conditions. In the context of communication, networking and broadcast technologies, it helps separate repeatable measurement from informal comparison, which is important when assessing receiver response, sensitivity, and overall behavior. IEEE 189-1955 is an inactive standard, but it remains relevant for understanding legacy equipment and historical test practice.

Overview of IEEE 189-1955

This standard sets out a method of testing receivers designed around ferrite core loop antennas, a configuration commonly associated with compact radio reception and directional pickup characteristics. Its purpose is to support consistent evaluation of receiver performance so results can be compared across units, builds, or test environments. By focusing on a specific antenna-receiver arrangement, IEEE 189-1955 provides a clearer technical basis for measurement than general-purpose testing guidance and reflects the engineering needs of its time.

Typical use cases

IEEE 189-1955 is most relevant when working with legacy receivers that use ferrite core loop antennas, such as compact broadcast receivers or other communication devices where antenna behavior strongly affects performance. It may be used in lab testing, product verification, restoration work, or documentation of historical equipment. Engineers and technicians can use the standard to examine how the receiver responds under defined test conditions, especially when comparing tuning behavior, signal pickup, and repeatability across similar designs.

Why it matters

Testing methods like those in IEEE 189-1955 help reduce uncertainty in receiver evaluation by giving manufacturers, labs, and buyers a common reference point. For equipment that depends on ferrite loop antennas, small design differences can change practical reception, so structured testing supports better design control and more reliable procurement decisions. It also helps preserve consistency when reviewing older communication hardware, where modern assumptions may not apply and historical performance needs to be interpreted carefully.

• Ferrite core loop antenna receivers
• Receiver performance testing
• Legacy broadcast and communication equipment
• Repeatable lab measurement
• Historical engineering reference