ao-51 Archives - OZ9AEC Website

The solar eclipse of July 11 – as seen by AO-51

July 14, 2010 by Alexandru Csete

On July 11, 2010, a total solar eclipse could be observed in the southern Pacific Ocean. During the eclipse, the AO-51 amateur radio satellite was entering daylight, coming in over South America. When AO-51 enters daylight the solar arrays start charging the batteries. This can be observed in the telemetry as a sudden increase of … Read more

Apollo 11 Anniversary Event on AO-51

January 23, 2017July 17, 2009 by Alexandru Csete

On July 20, AMSAT will mark the 40th anniversary of the first manned lunar landing with a special event on the AO-51 amateur radio satellite. During evening passes in the U.S. and Europe, AO-51 will transmit a message commemorating the event. The message will be transmitted on the 435.300 MHz FM downlink and will contain … Read more