Communications
EYESAT A (AO-27)
Amateur Radio Satellite (FM Repeater) · Stanford SSDL / AMSAT
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EyeSat-A (AO-27), a small amateur radio satellite built by students at Stanford's Space Systems Development Laboratory and launched in 1993, hosting a simple FM voice repeater still used today by ham radio operators worldwide to make satellite contacts using ordinary handheld radios.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 489–496 mi (787–799 km)
- Inclination
- 98.7°
- One orbit
- 100.6 minutes14.3 orbits a day
- NORAD ID
- 22825
- Int’l designator
- 1993-061C
- Launched
- 1993
Orbital elements from CelesTrak, as of 22 Sep 2026.
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