1.业余卫星发展 1957年，苏联发射了第一颗人造地球卫星——伴星一号，开创了人类的宇航时代。四年以后，一颗由业余无线电爱好者自行研制的卫星：OSCAR-1在美国加利福尼亚州的一个空军基地发射升空，这不但证明了业余无线电爱好者们有能力与航天发射部门进行技术协调，有能力研制、跟踪、控制自己的卫星，有能力采集和处理相关的科学和工程数据；也标志着业余无线电通信从此进入了太空时代。至今世界各地的业余无线电爱好者们已经成功的发射了数百颗业余卫星；目前为止OSCAR识别编号已经用到MO-46，不过有在运作的业余卫星总数大概不到30个，许多新一代的OSCAR正在研发或制造、测试中。各国的业余无线电爱好者利用这些业余卫星可以方便的进它各种通信方式的试验和联络。最近的几年里，业余卫星还服务于大学的科技组织、自然灾害时的紧急通信以及进行高新科技实验

1. 业余卫星发展 1957 年，苏联发射了第一颗人造地球卫星 —— 伴星一号，开创了人类的宇航时代。四年以后，一颗由业余无线电爱好者自行研制的卫星：OSCAR-1 在美国加利福尼亚州的一个空军基地发射升空，这不但证明了业余无线电爱好者们有能力与航天发射部门进行技术协调，有能力研制、跟踪、控制自己的卫星，有能力采集和处理相关的科学和工程数据；也标志着业余无线电通信从此进入了太空时代。至今世界各地的业余无线电爱好者们已经成功的发射了数百颗业余卫星；目前为止 OSCAR 识别编号已经用到 MO-46，不过有在运作的业余卫星总数大概不到 30 个，许多新一代的 OSCAR 正在研发或制造、测试中。各国的业余无线电爱好者利用这些业余卫星可以方便的进它各种通信方式的试验和联络。最近的几年里，业余卫星还服务于大学的科技组织、自然灾害时的紧急通信以及进行高新科技实验

国内除中国空间站没有HAM自制的可转发业余无线电卫星商业卫星有以下特点售价高昂（即使卫星价格跳水但是价格依然是几百万的大手笔甚至几百万只能算入门）寿命短（每十年换一次肉痛）发射须经国家火箭上空（根据B站UP 影视飓风发射的卫星看约在1年至两年左右）

@"BG2GFC"#p5611 好消息是快有了

@"sparrowhe"#p5673 真的吗？有新消息请联系我 73

@"BG2GFC"#p6577 有人在做能不能成不好说

The development of amateur radio satellites and related historical documents.

BG2GFC

1. Development of amateur satellites
In 1957, the Soviet Union launched Sputnik 1, the first artificial Earth satellite, marking the beginning of the human space age. Four years later, a satellite developed by amateur radio enthusiasts, OSCAR-1, was launched from a U.S. Air Force base in California. This demonstrated that amateur radio enthusiasts were capable of collaborating with aerospace launch agencies, developing, tracking, and controlling their own satellites, and collecting and processing relevant scientific and engineering data. It also marked the entry of amateur radio communication into the space age. Today, hundreds of amateur satellites have been successfully launched by amateur radio enthusiasts around the world. Currently, the OSCAR identification number has reached MO-46, but there are approximately less than 30 operational amateur satellites. Many new generation OSCARs are currently under development or manufacturing and testing. Amateur radio enthusiasts in various countries can use these amateur satellites to conveniently experiment with and communicate using various communication methods. In recent years, amateur satellites have also been used by university technology organizations, for emergency communications during natural disasters, and for high-tech experiments.

BG2GFC

Please see here for the remaining article.
Frequency hopping repeater satellites: SO-50 (SaudiSat-1C), AO-91 (RadFxSat / Fox-1B), LilacSat-2 (CAS-3H)IO-86 (LAPAN-A2) PO-101 (Diwata-2), AO-27, ISS Crossband Repeater

Relaying satellite: AO-7, FO-29 (JAS-2)AO-73 (FUNcube-1), XW-2A (CAS-3A)XW-2B (CAS-3B) XW-2C (CAS-3C)XW-2D (CAS-3D) XW-2F (CAS-3F)LO-87 (LUSEX / ?uSat-1), EO-88 (Nayif-1 / FUNcube on Nayif-1), CAS-4A, CAS-4B, FO-99 (NEXUS) 、JAISAT-1 、TO-108 (CAS-6) RS-44, QO-100 (Es'hail-2 / P4A) (25.9°E).

Digital satellites: FalconSAT-3, NO-44 (PCsat), NO-84 (PSAT)IO-86 (LAPAN-A2) AISAT-1, NO-103 (BRICSAT2)No. 104 (PSAT2)ISS Frequency Summary

BG2GFC

Development of amateur satellites
In 1957, the Soviet Union launched Sputnik 1, the first artificial Earth satellite, marking the beginning of the human space age. Four years later, a satellite developed by amateur radio enthusiasts, OSCAR-1, was launched from a U.S. Air Force base in California. This not only demonstrated that amateur radio enthusiasts were capable of technical collaboration with aerospace launch agencies, developing, tracking, and controlling their own satellites, and collecting and processing relevant scientific and engineering data; it also marked the entry of amateur radio communication into the space age. To date, hundreds of amateur satellites have been successfully launched by amateur radio enthusiasts around the world. Currently, the OSCAR identification number has reached MO-46, but there are approximately less than 30 operational amateur satellites. Many new generation OSCARs are currently under development or manufacturing and testing. Amateur radio enthusiasts in various countries can use these amateur satellites to conveniently experiment with and communicate using various communication methods. In recent years, amateur satellites have also been used by university technology organizations, for emergency communications during natural disasters, and for high-tech experiments.

BG2GFC

There are no amateur radio satellites that can be relayed by HAMs in China, other than those related to the Chinese space station.
Commercial satellites have the following characteristics:
The price is very high (even though satellite prices have fallen, the price remains in the millions, and even a few million would be considered entry-level).
Short lifespan (replace every 10 years due to pain)
The launch must occur above the national airspace (approximately 1 to 2 years, according to the "影视飓风" YouTube channel).

sparrowhe

BG2GFC Good news is that it's coming soon.

BG2GFC

sparrowhe Is that true? If there's new information, please contact me. 73

sparrowhe

BG2GFC Someone is trying, but whether they will succeed or not remains to be seen.

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