AMSAT-OSCAR 51 or AO-51 is the in-orbit name designation of a now defunct (following battery failure) LEO amateur radio satellite of the OSCAR series; formerly known as ECHO, built by …

AO-51 has four VHF receivers and two UHF transmitters, one multi-mode receiver and a 2.4 GHz transmitter. It orbits the Earth in a high 850KM, sun synchronic orbit. The inclination is 98.2 °. …

§ 51 Allgemeines (1) Gewährt das Gesetz eine Steuervergünstigung, weil eine Körperschaft ausschließlich und unmittelbar gemeinnützige, mildtätige oder kirchliche Zwecke …

USS Ashtabula (AO-51) was a Cimarron-class fleet oiler of the United States Navy in service from 1943 to 1991. She survived three wars and was awarded eight battle stars for World War II …

AO-51 is currently transmitting on: Downlink: 435.150 MHz FM (LHCP) and using a Uplink: 145.880 MHz FM. The power level is just under 1 watt (about 980 mW). Controllers expect to …

3 天之前 · Amsat-Echo, also known as AMSAT Oscar-E or AO-51, is an American amateur communications microsatellite satellite (10 kg) that relays amateur transmissions. AO-51 …

The USS ASHTABULA (AO-51), a Cimarron-class oiler, was commissioned on 7 AUG 1943. USS ASHTABULA served her country for 39 years, 1 month and 23 days, until decommissioned on …

2011年12月5日 · AO-51 was truly one of the best amateur radio satellites. It was a very favorite for many of our VU hams for its strong signals and ease of operations. ‘Thank you AO-51 for …

2013年2月9日 · AO-51又名ECHO，是AMSAT-NA研制的一颗业余卫星。 其概况如下： 业余无线电转发器是该卫星的主要载荷。 可使用语音或PACSAT BBS模式工作。 ECHO---------- …

2021年1月23日 · 图 1 Phase 3-B （ AO-10 ），是迄今 为止 AMSAT 最成功的配备线性转发器的高轨业余卫星。 它为全球用户提供了长时远距业余卫星通联服务。 悬挂于科鲁乌发射场 （ …