[amsat-bb] Happy 27th Birthday, AO-27

[Stephan Greene]

Happy 27th birthday to AMRAD-Oscar 27, still alive and operating today!

For an amateur radio satellite operator in the early 1990s, working on a
satellite project based on the AMSAT Microsat design was a dream job!

The hams on the team (including Dino Lorenzini, Mark Kanawati, Steve Greene
and Mike Wyrick) couldn't help but include an amateur radio payload, and
were successful with the help of fellow amateurs and the local Vienna,
Virginia Amateur Research and Development (AMRAD) group:  Paul Renaldo,
Andre Castillot, Dave Rogers, Glenn Baumgartner, Sandy Sanders, Matt
Butcher, Randy Mays, and Terry Fox, and with help from AMSAT’s Lyle
Johnson, Chuck Green, and Jim White, among many others.

EYESAT-1/AO-27 launched (with the amateur payload and an extra UHF antenna
for the downlink) at 0145 UTC September 26, 1993.  [Ariane-4 V59 also
launched amateur satellites KO-25, IO-26, and PO-28, SSTL’s Healthsat-2,
the Stella research satellite, and the Spot-3 earth observation
satellite.]  The satellite was commanded on during the next orbit and the
first QSO on the amateur payload was made the following morning on
September 27, 1993. (We think – does anyone have an archive of amsat-bb
emails from 1993 who can check?)

AO-27 was the first FM “bent pipe” satellite and proved to be easy to work
with a strong downlink and sensitive receiver.  The amateur FM repeater has
served many Hams worldwide and was one of the first “Easy Sats”.  AO-27 was
later used for the first successful D-Star mode satellite QSO.  The 800km
orbit provides continent-spanning coverage.  At least one station is known
to have worked 49 states solely via AO-27!

And here we are today, the 27th of September, 2020, celebrating the 27th
birthday of AO-27!

Thanks to Mike Wyrick N3UC who babysat the spacecraft for the last 27 years.

And thanks to all those who helped.  There are many untold stories and
photos we hope to share in the near future.

Current information on AO-27’s operating schedule is at www.ao27.net

73

Mark, Mike, Steve (N4TPY, N3UC, KS1G)