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Space Domain Awareness

CelesGuard

Full-sky NGSO spectrum monitoring.

CelesGuard measures the activity of tens of NGSO satellites from multiple constellations at the same time, everywhere in the sky above 20° elevation.

  • Starlink
  • OneWeb
  • Qianfan
  • Amazon Leo
  • Rassvet
  • GEO satellites

01 · Audiences

Who it's for

Operators

Satellite operators

Unexplained interference on GEO links.

CelesGuard detects NGSO activity at strategic locations such as teleports and correlates interference events with specific satellites and constellations.

Regulators

National regulators

Constellations may exceed their licences or transmit too close to the geostationary arc without anyone noticing.

CelesGuard records how many satellites are active at any time and their contribution to EPFD limits.

Government

Government agencies

NGSO beams are narrow and intermittent, so unlicensed activity over a territory can go unseen.

CelesGuard detects constellations transmitting without authorisation.

Defence

Defence

CelesGuard determines whether user terminals are active in a given location.

02 · The difference

Why a dish can't keep up

Conventional monitoring stations use parabolic antennas that take around ten seconds to re-point from one satellite to the next. When 50 to 100 NGSO satellites may be transmitting over a site at the same time, a dish sees only a fraction of the activity. CelesGuard uses electronically steerable antennas that switch between satellites with no moving parts, tracking several constellations at once across the whole sky above 20° elevation. Below that elevation, NGSO satellites do not transmit.

03 · Outputs

What you get

  • Monitoring plans defined around your requirements.
  • Alerts on the specific events you care about.
  • Daily reports that summarise activity.
  • Your data stays with you. Spectrum data is recorded and stored securely on premise.

04 · Deployment

Deploy anywhere

CelesGuard is a turnkey system, available as a fixed installation, a mobile unit, or a flyaway configuration packed in transport cases for remote locations.

  • Fixed
  • Mobile
  • Flyaway

05 · Specification

At a glance

Bands
Ku, Ka
Coverage
Full sky above 20° elevation
Antenna technology
Electronically steerable antennas (ESA)
Constellations
Multiple, tracked simultaneously
Outputs
Event alerts, daily activity reports
Data
Recorded and stored securely on premise
Deployment
Fixed, mobile, flyaway
Delivery
Turnkey
Maturity
TRL 9, operationally proven

Start with a conversation about your requirements.

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