SIST EN 55016-1-6:2015/prA3 (Frag 4):2026

• Status: Not Published
• Public Enquiry End Date: 31-Oct-2026
• ICS: 17.220.20 - Measurement of electrical and magnetic quantities
• ICS: 33.100.10 - Emission
• ICS: 33.100.20 - Immunity
• Technical Committee: EMC - Electromagnetic compatibility
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 31-Aug-2026
• Due Date: 18-Jan-2027
• Ref Project: EN 55016-1-6:2015/prA3 (Frag 4):2026 - Amendment 3 - Fragment 4: NSA

• Amends: SIST EN 55016-1-6:2015 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-6: Radio disturbance and immunity measuring apparatus - EMC-antenna calibration
• Effective Date: 16-May-2023

SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 is the Slovenian adoption of an IEC/CISPR amendment fragment published by SIST. It updates CISPR 16-1-6 for EMC-antenna calibration, with this fragment focused on NSA-related changes to Annex C for correction factors, biconical antenna geometry, and uncertainty analysis. It is relevant to people who perform or review radio-disturbance and immunity measurements, especially EMC measurement laboratories and standards committees.

What does SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 specify?

SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 is an amendment fragment to Part 1-6 of the specification for radio disturbance and immunity measuring apparatus and methods. It addresses EMC-antenna calibration, and the edited text in this fragment updates material in Annex C and adds supplemental comparison content.

The document is organized as a foreword, an introduction, normative Annex C, and supplemental content for information only. Annex C is the part that carries the technical rationale and uncertainty-related antenna information used in practice.

Part	What it covers
Annex C	Rationale for the equations used in antenna calibration and antenna characteristics for uncertainty analysis in the frequency range 30 MHz to 1 GHz
Supplemental content	Comparison figures and tables for correction factors, including comparisons with CISPR 16-1-6:2022 and with other biconical antennas

What are the key requirements of SIST EN 55016-1-6:2015/prA3 (Frag 4):2026?

Annex C is the technical core of the fragment. It gives the rationale for antenna-calibration equations and the information needed for uncertainty analysis, so users can justify how they correct and evaluate antenna measurements in the 30 MHz to 1 GHz range.

Updated correction factors

In C.6.2, the document replaces entries in Table C.2 with revised correction factors ΔF for converting antenna factor measured by SSM to F_a,SSM. The values are given for 50 Ω and 200 Ω baluns across the stated frequency range. In practice, a lab uses these values when it corrects measured antenna data, so the chosen balun and frequency point must match the setup.

Revised biconical antenna figures and dimensions

The fragment replaces the text linked to Figure C.10, adds Figure C.18, and replaces Table C.3. Figure C.10 shows one triangular section of a biconical antenna element, while Figure C.18 shows the complete biconical antenna. Table C.3 gives the mechanical dimensions, including lengths, radii, and the number of segments. In practice, these items matter when building, checking, or modeling the antenna used for calibration.

Uncertainty analysis support

Annex C.6 deals with uncertainty contribution due to ground plane reflection. That matters because antenna measurements over a ground plane can shift the result, so the document gives the background needed to include that effect in an uncertainty budget.

Comparison material for application review

The supplemental content compares the correction factors in this fragment with CISPR 16-1-6:2022 and with other typical biconical antennas. It also compares 1 MHz and 5 MHz frequency steps and states that the 4:1 balun is preferred over the 1:1 balun because frequency variation is smaller. In practice, this helps users choose the measurement arrangement that gives steadier correction factors.

What terms does SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 define?

• International Electrotechnical Commission (IEC) - The international body that publishes the publication family this amendment belongs to.
• International Special Committee on Radio Interference (CISPR) - The IEC committee responsible for radio-interference measurement work and this amendment family.
• Committee Draft for Vote (CDV) - A draft stage used for committee voting before publication.
• Electromagnetic Compatibility (EMC) - The technical field concerned with emission and immunity behavior of equipment.
• Biconical antenna - The antenna type whose diagram and mechanical dimensions are revised in Annex C.
• Balun - The matching arrangement named in the tables and figures for the biconical antenna setup.

Who uses SIST EN 55016-1-6:2015/prA3 (Frag 4):2026?

SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 is used by EMC engineers, antenna calibration laboratories, radio-disturbance test houses, and people preparing uncertainty budgets for measurement systems. It is also relevant to standards committees working on horizontal EMC topics, because the front matter lists CIS/B, CIS/D, CIS/F, CIS/H, and CIS/I as interested committees. Buyers and quality managers can use it to check whether a lab’s antenna calibration practice matches the updated CISPR 16-1-6 material.

What changed in SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 from the previous edition?

The supplemental content compares this fragment with CISPR 16-1-6:2022 and shows small differences in correction factors. The amendment also revises Figure C.10 and Table C.3, updates Table C.2, and adds Figure C.18.

Which standards are used with SIST EN 55016-1-6:2015/prA3 (Frag 4):2026?

This fragment belongs to CISPR 16-1-6 Amendment 3 and is identified as Fragment 4: NSA. The text says the combined fragments of Amendment 3 are to be published as CISPR 16-1-6 ED2. The Slovenian page also states that this standard is identical to EN 55016-1-6:2015/prA3 (Frag 4):2026.

What does the SIST EN 55016-1-6:2015/prA3 (Frag 4):2026 document contain?

The document contains the updated wording for Annex C, including the revised ground-plane-reflection section, the updated correction-factor table, and the new and replaced antenna figures. It also contains supplemental comparison figures and a table that show how the correction factors differ from CISPR 16-1-6:2022 and from other biconical antenna cases. The included material is used for calibration work, construction checks, and uncertainty analysis rather than for a general overview of EMC measurement.

SLOVENSKI STANDARD
01-oktober-2026
Specifikacija za merilne naprave in metode za merjenje radijskih motenj in
odpornosti - 1-6. del: Merilne naprave za merjenje radijskih motenj in odpornosti -
Umerjanje EMC antene - Dopolnilo 3 - Fragment 4: NSA
Specification for radio disturbance and immunity measuring apparatus and methods -
Part 1-6: Radio disturbance and immunity measuring apparatus - EMC-antenna
calibration - Amendment 3 - Fragment 4: NSA
Ta slovenski standard je istoveten z: EN 55016-1-6:2015/prA3 (Frag 4):2026
ICS:
17.220.20 Merjenje električnih in Measurement of electrical
magnetnih veličin and magnetic quantities
33.100.20 Imunost Immunity
SIST EN 55016-1-6:2015/prA3 (Frag en
4):2026
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CIS/A/1514/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
CISPR 16-1-6/AMD3/FRAG4 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2026-08-21 2026-11-13
SUPERSEDES DOCUMENTS:
CIS/A/1406/CD, CIS/A/1425/CC
IEC CIS/A : RADIO-INTERFERENCE MEASUREMENTS AND STATISTICAL METHODS
SECRETARIAT: SECRETARY:
United States of America Mr Nicholas Abbondante
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
CIS/B,CIS/D,CIS/F,CIS/H,CIS/I CISPR/CIS/A Horizontal Basic EMC
ASPECTS CONCERNED:
Electromagnetic Compatibility
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which
they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Amendment 3 - Fragment 4: NSA
PROPOSED STABILITY DATE: 2027
NOTE FROM TC/SC OFFICERS:
This CDV contains the edited text of CISPR 16-1-6 Ed1 AMD3 fragment 4 "NSA"
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

CISPR CDV 16-1-6/AMD3/FRAG4 © IEC 2026
1 INTERNATIONAL ELECTROTECHNICAL COMMISSION
2 INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
3 ____________
5 SPECIFICATION FOR RADIO DISTURBANCE AND IMMUNITY
6 MEASURING APPARATUS AND METHODS –
8 Part 1-6: Radio disturbance and immunity measuring apparatus –
9 EMC antenna calibration
11 AMENDMENT 3 – FRAGMENT 4: NSA
13 FOREWORD
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49 shall not be held responsible for identifying any or all such patent rights.
50 Amendment 3 to CISPR 16-1-6 has been prepared by CISPR subcommittee A: Radio-
51 interference measurements and statistical methods.
CISPR CDV 16-1-6/AMD3/FRAG4 © IEC 2026
55 The text of this Amendment is based on the following documents:
Draft Report on voting
XX/XX/XXXX XX/XX/XXX
57 Full information on the voting for its approval can be found in the report on voting indicated in
58 the above table.
59 The language used for the development of this Amendment is English.
60 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
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66 specific document. At this date, the document will be
67 • reconfirmed,
68 • withdrawn, or
69 • revised.
70 ____________
72 Introduction
73 (not to be included at publication)
74 Proposed revision of CIS
...