BROS

BROS
BROS
BROS
Spacecraft name BROS
Spacecraft type CubeSat
Units or mass 6U
Organisation Norway Defence Research Establishment
Institution Military
Entity Government (Civil / Military)
Nation (HQ) Norway
Nation (AIT) Lithuania
Manufacturer AIVT by NanoAvionics
Partners Norwegian Defence Research Establishment (FFI), Royal Netherlands Aerospace Centre, Netherlands Organisation for Applied Scientific Research
Oneliner

Measure the time difference between detecting the signals and the angle of signal arrival to geolocate its source.

Description

The satellites will follow each other 15-25 kilometers apart in a polar low Earth orbit, enabling both spacecraft to detect the same signals from sources such as ships using radar to navigate. The satellites will then measure the time difference between detecting the signals and the angle of signal arrival to geolocate its source.

Both of them will be positioned in the same orbital plane and will maintain their formation proximity using onboard propulsion systems. This will allow their radar detector payloads to detect, classify, and accurately geolocate Radio Frequency signals, including navigation radars used on ships, by combining the measurement angle of arrival (AoA) and time difference of arrival (TDOA).

Sources [1] [2] [3]
Photo sources [1] [2]
COTS subsystems
  • PLATFORM - NanoAvionics
Keywords Formation flying, Propulsion

Related Spacecraft

Spacecraft Status Launcher Date Orbit
BROS A (Birkeland, Binational Radiofrequency Observing Satellites, MilSpace-2) Operational (NanoAvionics confirmed on 2023-01-05 on Twitter that communications was established last checked on 2023-04-15) Falcon 9, (Transporter-6) 2023-01-03 515 km, 97.5 deg
BROS B (Huygens, Binational Radiofrequency Observing Satellites, MilSpace-2) Operational (NanoAvionics confirmed on 2023-01-05 on Twitter that communications was established last checked on 2023-04-15) Falcon 9, (Transporter-6) 2023-01-03 515 km, 97.5 deg

Last modified: 2023-06-09

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Created by Erik Kulu

Email: erik.kulu@nanosats.eu
LinkedIn: linkedin.com/in/erikkulu

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