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GY/T 433-2026Implementation guidelines for digital audio broadcasting in frequency modulation (FM) band (English PDF)

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Issued by

National Radio and Television Administration

Level / Type

National · Recommended

Issue date

July 29, 2026

Implementation date

July 29, 2026

Scope

GY/T 433-2026 (Implementation guidelines for digital audio broadcasting in frequency modulation (FM) band) is available as an English-translated PDF.

GY/T 433-2026 — This standard specifies the main characteristics of digital audio broadcasting transmission systems operating in the FM band that comply with GY/T 268.1��2013 (hereinafter referred to as "the system").

It provides guidance on establishing broadcast transmission networks compliant with GY/T 268.1��2013, covering aspects such as transmission parameter settings, basic descriptions of multi-frequency network (MFN) and single-frequency network (SFN) structures, antenna-feeder system setup, and program signal distribution networks.

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Document preview — GY/T 433-2026

National Standard of the People's Republic of China

Issued by: National Radio and Television Administration

What this standard covers1
Document data2

What this standard covers

This standard specifies the main characteristics of digital audio broadcasting transmission systems operating in the FM band that comply with GY/T 268.1�2013 (hereinafter referred to as "the system"). It provides guidance on establishing broadcast transmission networks compliant with GY/T 268.1�2013, covering aspects such as transmission parameter settings, basic descriptions of multi-frequency network (MFN) and single-frequency network (SFN) structures, antenna-feeder system setup, and program signal distribution networks. This document applies to the design, development, construction, testing, and operation and maintenance of systems compliant with GY/T 268.1�2013, as well as to the establishment and operation of FM-band digital audio broadcasting transmission networks.

Document data

Estimated length of the Chinese original: 21,253 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.

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