Standard No.:	YD/T 6506-2025
English Name:	The limits and calculation method of unwanted emission levels produced by a non.geostationary fixed-satellite service system in KuKa/O/V band at radio Draft for Approval astronomysites
Chinese Name:	Ku/Ka/Q/V频段非对地静止卫星固定业务系统无用发射到达射电天文台的电平限值要求及计算方法
Professional Classification:	YD    Professional Standard - Telecommunication
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2025-08-19
Implemented on:	2025-12-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	255.0
Delivery:	via email in 1~3 business day

本文件规定了非对地静止卫星固定业务（NGSO FSS）系统对射电天文业务（RAS）接收电台台址处产生的无用发射电平的计算方法，并给出了Ku频段、Ka频段、Q/V频段的NGSO FSS系统在射电天文台台址处产生的无用发射电平的限值。
本文件适用于计算NGSO FSS系统在射电天文台台址处产生的无用发射电平。