EPFD examination support
Welcome to support page dedicated to Equivalent-Power Flux Density limits examination under Resolution 85 (Rev. WRC-23).
For any inquiry relating to EPFD examination software you may contact Radiocommunication Bureau using support e-mail.
Please also consult Questions & Answers section to review frequently asked questions relating to Recommendation ITU-R S. 1503 specific topics or seek support.
What’s new
- November 2026
- Question & Answers page was replaced by Frequently Asked Questions and Contact Form which removes the requirement to register to post the question.
- Question & Answers page was replaced by Frequently Asked Questions and Contact Form which removes the requirement to register to post the question.
- October 2026
- Release of new test version of radians test version (S.1503-2 calculator) – available from Resources page.
- Release of new version of EPFD Static (v. 1.8.13)
- Release of new version of EPFD Prepare (v. 1.8.4)
- Release of new version of radians.vis (v. 1.0.3)