December 2023 OSCAR News now available

E-members of AMSAT-UK can now download the December 2023 edition of OSCAR News, issue 243, here. The paper edition edition will be sent to postal members and should arrive in the next 2-3 weeks. In this issue: • From the Secretary’s Keyboard • Letters to the Editor •...

ISS deployment of Clark sat-1 (AMBITIOUS)

Clark sat-1 (AMBITIOUS), callsign JS1YLT, is scheduled to deploy from the International Space Station (ISS) on Monday, December 18, 2023, at 10:15 GMT. The IARU coordinated downlink is 435.130 MHz. Clark sat-1 is a 1U size satellite is an educational project of...

AO-73 back in transponder mode

After a year long period of ‘battery management’, AMSAT-UK and AMSAT-NL have restarted the transponder on AO-73. After 10 years in orbit, the battery on the satellite has reduced capacity and until recently, has been unable to charge to the nominal 8.3V....