page_title: Chasqui I
section_title: Ground Station – ESTER
hierarchical_section_title: Chasqui I / Project Modules / Ground Station – ESTER
caption_attribution_description: Español: ESTER
context_page_description: Chasqui I is a one-kilogram nanosatellite project that was launched by hand from the International Space Station during a spacewalk on August 18, 2014. The concept satellite was equipped with two cameras, a visible and an infrared, which could take photos of the Earth.
  The Chasqui I was developed by students at Peru's National University of Engineering and was part of an educational project to acquire the experience and ability in developing satellites.
  The name of the project refers to the chasqui, messengers of the Inca Empire.
context_section_description: This subsystem is not part of the satellite itself, but its existence and operation is necessary to achieve the objectives of Chasqui I. The set of facilities and wireless communication (radio) needed to communicate with the Chasqui I, and any satellite.
  The main functions of this module are:
  Follow-up: radioforo hear the beacon or satellite for its position.
  Telemetry: Request state variables (temperature, voltage, etc..) To monitor and validate the satellite orbit calculation.
  Commando: Order to extend the satellite antenna; order reset the system, order the taking and sending photos.
caption: Block Diagram – ESTER
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