SPACEDOS

Key highlights

• Ultra low-power design – enables continuous radiation monitoring with power budgets below 30 mW.

• Compact and lightweight – optimized for CubeSat and small satellite integration.

• Energy-calibrated – each unit individually calibrated with reference sources (Am-241, Pu-239).

• Broad mission applicability – proven in stratospheric flights and suitable for LEO, MEO, GEO, and deep-space missions.

• High sensitivity – capable of detecting a wide range of ionizing radiation.

• Reliable long-duration operation – stable performance for extended missions.
  

Applications

• CubeSats and small satellites – radiation monitoring with minimal power and mass budget.

• Scientific satellite payloads – support for space weather and cosmic-ray research.

• Long-duration missions – reliable dosimetry for LEO, MEO, GEO, and deep-space spacecraft.

• Radiation risk assessment – monitoring for satellite electronics reliability and lifetime prediction.

• Technology demonstration platforms – validation of radiation shielding or materials in orbit.

Key features

Ultra low-power operation

• Designed for continuous radiation monitoring with power consumption down to 5 mW.

• Suitable for CubeSats and small satellites with limited energy budgets.

• Enables long-duration operation without impacting primary mission power requirements.

Compact and lightweight form factor

• Small PCB design optimized for integration in satellites, CubeSats, and payload modules.

• Low mass minimizes impact on overall spacecraft design.

• Mechanical mounting options are available for flexible system integration.

Individually energy-calibrated

• Every unit is calibrated using reference sources Am-241 and Pu-239.

• Calibration protocol is delivered with each instrument, ensuring traceability and accuracy.

Wide range of detectable radiation

• Sensitive to a broad spectrum of cosmic ionizing radiation relevant for space missions.

  • Deposited energy range: 100 keV – 9 MeV (optionally 200 keV – 12 MeV)

  • Spectrum: 8 logarithmic channels, resolution < 50 keV/channel

  • Integration time: 15 s (data report period)

• Capable of registering both low- and high-energy particles.

• Useful for radiation environment characterization, anomaly detection, and shielding verification.

Versatility across mission profiles

• Applicable to missions in LEO, MEO, GEO, and deep space.

• Proven technology flown in space and extensively tested on stratospheric balloon flights and scientific campaigns.

• Suitable for long-duration missions where stable, continuous radiation monitoring is required.

Reliable long-term performance

• Radiation-hardened design principles improve operational stability in harsh environments.

  • Operational environment: vacuum < 3.2×10⁻² Pa

  • Temperature stability: –50 °C to +50 °C (channel position error 50 keV)

• Electronics and firmware optimized for extended unattended operation.

• Provides consistent measurements throughout the mission lifecycle.

Integration-ready

• Standard electrical interfaces for straightforward integration into existing satellite interfaces.

  • Supply voltage: 3.3 V

  • Typical current consumption: 2.6 mA (~8.6 mW)

  • Interface: UART (TTL RS-232, 3.3 V), 2400 baud

  • Connector: 2.54 mm pin header 

• Designed with compatibility in mind for CubeSat payload slots and custom satellite avionics.

  • Dimensions (H × W × L): 15 × 41 × 94 mm

  • Mass: 33 g

• Straightforward data handling enables easy use in both scientific and commercial applications.

Use cases in satellite missions

• Space weather monitoring and anomaly correlation.

• Electronics reliability and lifetime prediction through direct radiation dose measurement.

• Material testing and radiation shielding validation.

• Support for scientific research into cosmic rays and ionizing radiation.