GB/T 25003-2010Electromagnetic environment protection requirements and measurement methods for VHF/UHF band radio monitoring station (English PDF)
VHF/UHF频段无线电监测站电磁环境保护要求和测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 9, 2010
Implementation date
December 1, 2010
Scope
GB/T 25003-2010 is the English-translated version of VHF/UHF频段无线电监测站电磁环境保护要求和测试方法.
GB/T 25003-2010 is the Chinese standard "Electromagnetic environment protection requirements and measurement methods for VHF/UHF band radio monitoring station".
Its scope clause reads: This standard specifies the VHF/UHF band radio station electromagnetic interference environment surrounding the allowable value and obstacle limitation requirements, the provisions Electromagnetic environment interference field strength test methods, and clearly the VHF/UHF band radio stations surrounding the minimum guaranteed power transmission source Support spacing requirements.
This standard applies to work in the 30MHz ~ 3000MHz band radio stations. Its clauses include terms, definitions, symbols and abbreviations.
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Document preview — GB/T 25003-2010
National Standard of the People's Republic of China
- ICS
- 33.100
- Classification
- L 06
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, symbols and abbreviations
- 4 electromagnetic interference environment surrounding the allowable value and obstacle limitation requirements
- 5 electromagnetic environment interference field strength measurement method
- 2 test system connection diagram in Figure
1 Scope
This standard specifies the VHF/UHF band radio station electromagnetic interference environment surrounding the allowable value and obstacle limitation requirements, the provisions
Electromagnetic environment interference field strength test methods, and clearly the VHF/UHF band radio stations surrounding the minimum guaranteed power transmission source
Support spacing requirements.
This standard applies to work in the 30MHz ~ 3000MHz band radio stations.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 13614 shortwave radio direction finding station (station) Electromagnetic environment requirements
GB 13617 shortwave radio receiving station (station) Electromagnetic environment requirements
GJB72A electromagnetic interference and electromagnetic compatibility terminology
GJB2080 receiving point field strength measurement in general
3 Terms, definitions, symbols and abbreviations
GB 13614, GB 13617, GJB72A, GJB2080 define the following terms and definitions apply to this document.
3.1 VHF/UHF
30MHz ~ 300MHz and 300MHz ~ 3000MHz frequency range of.
3.2 VHF/UHF band radio stations VHF/UHFbandradiomonitoringstation
Set up in a high ground, near the area of a certain memory in a variety of VHF/UHF band radio signal and the interference signal,
Monitoring and measurement of radio signals to a receiving station. It is mainly undertake quality monitoring VHF/UHF band spectral parameters of the radio station, no
Monitoring of radio spectrum efficiency, and the specified signal demodulation designated categories of the modulation signal of radio direction positioning tasks. Its main
Unattended mode has two kinds of someone on duty.
3.3 Allowed values permissibleinterferencelimit interference
Interference value prediction or testing, the interference value meets or meet international radio interference limit value rules or national standards provisions
Claim.
3.4 Protection spacing
To protect the radio VHF/UHF band radio stations work properly prescribed launch pad and other kinds of electromagnetic radiation interference
Source to the minimum distance VHF/UHF band radio station antenna edge.
4 electromagnetic interference environment in and around the allowable limit value of the obstacle requirements
4.1 Electromagnetic interference environment allowable value requirements
To prevent the VHF/UHF band radio stations and reduce false signals appear to performance measurement, environmental monitoring stations can not exceed the electrical field
Magnetic interference environment allowed limit value requirements. FIG. 1 is a VHF/UHF band radio station electromagnetic interference environment requirements limit the allowable value.
GB/T 18655-2025 | GB/T 19484.1-2013 | GB/T 22450.1-2008 | GB/T 48148-2026 | GB/T 48008-2026 | GB/T 18487.2-2026 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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