2024年11月15日 · OSCAR-7 is now affectionately referred to as the “Sleeping Beauty” of satellites and continues to provide ground-breaking scientific contributions. Using years of …

2009年11月13日 · Thirty-five years ago this Sunday (15 November), AO-7 reached orbit. The following is from the AO-7 page on the AMSAT-North America Web site: "AMSAT-OSCAR 7 …

2023年12月5日 · Seems to always be spotted by EA8/DF4UE Canary Islands and AI6VN/KH6 Hawaii as it passes by those stations. They must have very good receiver systems. Kind of …

2010年3月11日 · AO-51 Second Repeater Configured to Support K4T DXpedition AMSAT News Service Bulletin 069.01 From AMSAT ...

2025年3月11日 · The results of the AO-40 experiment jump started a game-changing transformation in navigation at HEO/GEO altitudes, enabling new and exciting missions in …

2023年12月12日 · <SAT_NAME:4>AO-7 <DXCC:3:N>291 <EOR> VE3CGA, Dec 15, 2023 #10. KI5UXW Ham Member QRZ Page.

2015年6月17日 · The Mode A transponder (145 up / 29 down) is still working, but it is much harder to receive... I've still made several QSOs over it. I'm not sure how much action Mode A …

2021年12月21日 · AO 7, as he calls it, was launched in 1974 and ceased operating in 1981. “It looked like the battery shorted, or something happened there, and years later, apparently the …

2021年9月9日 · The venerable AO-7 satellite entered a period of full illumination on September 9 that will last until April 11, 2022. While in full illumination, the satellite’s 24-hour timer will …

2017年6月29日 · TH-D72A. Too many manuals, too confusing; can't find answer. Full Duplex not mentioned as a feature. I see there is a Duplex button, but can't find details of function or feature.