IEEE P1309/D1

IEEE P1309/D1 is an unapproved draft standard focused on the calibration of electromagnetic field sensors and probes, excluding antennas, from 9 kHz to 40 GHz. It addresses the technical basis for obtaining reliable measurement results across a wide frequency range, where probe response and calibration accuracy can strongly affect data quality. For engineers working in fields, waves, and electromagnetics, this draft is relevant to controlled testing, measurement consistency, and comparison of sensor performance.

Overview of IEEE P1309/D1

This draft standard provides guidance for calibrating electromagnetic field sensors and probes used in field measurement applications rather than antenna characterization. IEEE P1309/D1 is tied to the practical needs of electromagnetics work, where accurate sensor behavior must be understood across radio and microwave frequencies. As a revision of IEEE 1309-1996, it reflects an effort to define a more current technical framework for calibration practices, supporting more consistent and traceable measurements in laboratory and engineering environments.

Typical use cases

IEEE P1309/D1 is commonly relevant when calibrating probes for electromagnetic compatibility testing, field mapping, exposure assessment, or instrumentation checks across 9 kHz to 40 GHz. It may be used in laboratories that verify sensor response, compare probe performance, or prepare measurement setups for controlled RF and microwave environments. The document is most useful where repeatable field sensing is needed and where antennas are not the device under evaluation, helping distinguish probe calibration from broader transmission or reception testing.

Why it matters

Calibration guidance for field sensors and probes is important because small measurement errors can lead to inconsistent test results, poor design decisions, or weak compliance evidence. IEEE P1309/D1 helps support disciplined measurement practices in electromagnetics by clarifying how these devices should be calibrated within their operating range. For procurement, engineering, and test teams, that can improve comparability between instruments, reduce uncertainty, and strengthen confidence in reported field data. The result is better control over technical risk in sensitive RF work.

• Calibration of field sensors and probes
• Frequency range: 9 kHz to 40 GHz
• Excludes antennas from scope
• Revision of IEEE 1309-1996
• Electromagnetic field measurement applications