How Long Does ITU Satellite Coordination Actually Take?

There's a firm outer deadline in the ITU system, and a lot of variable process inside it. Knowing both is the difference between realistic planning and an unpleasant surprise.

The outer boundary: seven years

For networks not subject to Article 9 coordination, the regulatory clock starts when the ITU receives the Advance Publication Information, and the network must be brought into use within seven years of that date (eight years for planned-band filings). For networks subject to coordination, the same seven-year clock instead starts from submission of the coordination request. Miss it, and the assignment is subject to cancellation from the Master Register.

NGSO constellations: milestones inside that window

Since WRC-19, large NGSO constellations face additional deployment milestones designed to prevent long-term spectrum reservation without real deployment: 10% of the constellation must be launched within two years of the end of the regulatory period, 50% within five years, and 100% within seven. These milestones exist specifically because a single-satellite bring-into-use requirement, as used previously, left room for filings covering thousands of satellites to reserve spectrum on the strength of one launch.

What happens between filing and that deadline

Coordination itself is not published as a single fixed duration — it runs on comment periods and negotiation rather than a countdown. Once a CR/C is published, other administrations have a defined window to respond; after that, the ITU publishes a CR/D listing the finalized coordination requirements. From there, the filing administration and the affected administrations negotiate the actual technical parameters, a process the FCC's own guidance describes as generally handled through correspondence or virtual meetings between the satellite operators, rather than always requiring formal proceedings. In practice, this negotiation phase can take anywhere from a few months to multiple years, depending on how many administrations are involved and how contested the frequency band is.

What this means for planning

Seven years sounds generous until you count backward from it: coordination negotiations, manufacturing lead times (often three to four years for traditional satellite programs), launch scheduling, and in-orbit commissioning all have to fit inside that window — and coordination can't even really begin in earnest until your filing is published and other administrations have had their comment period. Treating the seven-year mark as "when we need to worry" rather than "the very last resort" is how filings end up racing an artificial deadline that was actually visible years in advance.

Sources

• "International Satellite Coordination," Federal Communications Commission
• "ITU sets milestones for megaconstellations," SpaceNews