Eyesat

Also called AO-27 or Amrad or Oscar 27

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General

Designation	22825 / 93061C
Launch date	25 Sep 1993
Country of origin	United States
Mission	Telecommunications
Operator	Interferometrics (USA)
Perigee/Apogee	790/803 km
Inclination	98.7°
Period	100.8 min
Launch vehicle	Ariane V59

Aimed for transmiting data of localization and surveillance of industrial equipments for Interferometris.

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External resources

http://www.amsat.org/amsat/sats/n7hpr/ao27.html

sat-index articles

Technical data

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Specifications

Prime contractor	Associazione Radioamatori Italiani
Platform	Amsat-NA Microsat
Mass at launch	12.5 kg
Mass in orbit
Length	230 mm
Width	230 mm
Height	235 mm
Stabilization	magnetic
DC power
Design lifetime	5-7 years

uses a method called Timed Eclipse Power Regulation (TEPR) to regulate the on-board batteries: TEPR times howlong the satellite has been in an eclipse (or in the sun) and decides what subsystems to turn on or off.

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Frequency chart (MHz)

Uplink: 145.85 MHz FM
Downlink: 436.792 MHz FM

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