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SXM-7
SpaceX · 猎鹰 9 Block 5 · 40 号发射工位 (SLC-40)
任务简介
SXM-7 是一颗用于 SiriusXM 数字音频广播服务（DARS）的大型高功率广播卫星。 2016 年 7 月，Space Systems/Loral（SS/L）获得合同，基于其 SSL-1300 平台建造两颗卫星——SXM-7 和 SXM-8。两者均在 S 波段频谱运行。每颗卫星将产生超过 20 千瓦的功率，并配备大型可展开天线反射器，从而无需地面大型碟形天线即可向收音机广播。 SXM-7 旨在替代 XM-3 卫星。
原文
SXM-7 is a large high power broadcasting satellite for SiriusXM's digital audio radio service (DARS). Space Systems/Loral (SS/L) got in July 2016 the contract to build the two satellites based on their SSL-1300 bus - SXM-7 and SXM-8. Both operate in the S-band spectrum. Each satellite will generate more than 20-kW of power and will have a large unfurlable antenna reflector, which enables broadcast to radios without the need for large dish-type antennas on the ground. SXM-7 is meant to replace the XM-3 satellite.
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