PARIS — SpaceX’s planned constellation of 4,425-satellites for direct-to-home internet delivery has come under fire by competitors who want regulators to reject SpaceX’s request for a waiver of in-service and coverage deadlines.

Several competitors are also asking that any decision on the SpaceX system be delayed pending a review of the measures SpaceX says it will take to avoid signal interference with neighboring low-orbit satellites and satellites in the higher geostationary orbit.

The companies are complaining that SpaceX waited until July 12 . . .

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