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Also called AO-27 or Amrad or Oscar 27


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.

External resources


sat-index articles

Technical data


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.

Frequency chart (MHz)

Uplink: 145.85 MHz FM
Downlink: 436.792 MHz FM

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