Credit: Edgar Cervantes / Android AuthorityThis month, Verizon, AT&T, and T-Mobile announced a joint effort to provide direct-to-device satellite connectivity and improve backup service during emergencies and natural disasters.According to Verizon, the effort would pool satellite spectrum resources across all three networks, enabling a more consistent experience when using satellite backup. One name conspicuously absent from the announcement: Starlink. The timing is interesting.