cosmos.wikisort.org - Spacecraft

Eyesat-1 is an American experimental communications microsatellite with an store-dump payload. The mission of Eyesat-1 was experimental monitoring of mobile industrial equipment. Eyesat-1 has provided the National Oceanic and Atmospheric Administration in Silver Spring, Maryland, with communication services to the South Pole. Eyesat-1 carries an FM repeater for Amateur Radio Research and Development Corporation (AMRAD) called AMRAD OSCAR 27 or OSCAR 27.[2]

Eyesat-1 / OSCAR 27

Mission type	Amateur radio satellite
Operator	AMRAD
COSPAR ID	1993-061C
SATCAT no.	22825[1]
Website	www.ao27.org[dead link]
Spacecraft properties
Manufacturer	Interferometrics Inc.
Launch mass	11.8 kg (26 lb)
Dimensions	15 cm × 15 cm × 15 cm (5.9 in × 5.9 in × 5.9 in)
Start of mission
Launch date	26 September 1993, 01:45 UTC[2]
Rocket	Ariane-40 V59
Launch site	Kourou ELA-2
Contractor	Arianespace
End of mission
Last contact	5 December 2012
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Eccentricity	0.00202[2]
Perigee altitude	794 km (493 mi)[2]
Apogee altitude	823 km (511 mi)[2]
Inclination	98.5°[2]
Period	101 minutes[2]
Epoch	26 September 1993[2]
OSCAR ← OSCAR 26 OSCAR 28 →

Eyesat-1 was launched on September 26, 1993 with an Ariane 4 rocket at Guiana Space Centre, Kourou, French Guiana, along with SPOT-3, Stella, Healthsat-2, KITSAT-2, Itamsat and PoSAT-1.

After 19 years of operation, the satellite failed on December 5, 2012.^{[citation needed]}

In 2020, the satellite was recovered, and its FM repeater became intermittently operational.[3]

Frequencies

• Uplink: 145.850 MHz[1]
• Downlink: 436.795 MHz[1]

External links

• AMRAD OSCAR 27 - The Radio Amateur Satellite Corporation

References

На других языках

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[de] OSCAR 27

AMRAD OSCAR 27, AO-27 ist eine amerikanische Amateurfunknutzlast, an Bord von EYESAT-1, auch EYESAT A [2] die von Funkamateuren der Organisation AMRAD (Amateur Radio Research and Development Corporation) entwickelt und gebaut wurde. Der Satellit trägt einen Digipeater und ein Amateurfunkrelais für FM-Sprechfunk.

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- [en] Eyesat-1

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