State the everyday problem LEO creates. A geostationary dish points at one fixed spot in the sky forever. A LEO terminal faces the opposite situation: satellites race across the sky in minutes, and the ground antenna must continually find them, track them, and hand off from one to the next, all while obstructions like buildings and trees threaten the line of sight. Visibility is a moving target.
SpaceX's grant US11943042B2 (inventors including Thomas Laurance Robinson), classified in H04B 7/18513 and H04B 7/18517 (satellite-communications acquisition) with H04B 7/18558, claims apparatuses and methods for facilitating that satellite visibility. The CPC cluster around acquisition and link establishment marks it as a patent about reliably seeing the satellite, not about the antenna's RF design.
The mechanism addresses the practical realities of a terminal in the world: knowing where satellites will be, choosing which to connect to given obstructions and geometry, and smoothing the handoffs so the user does not notice the constellation churning overhead. It is the operational glue between the cheap steerable dish and a usable connection.
It pairs naturally with SpaceX's earlier uni-dimensional steering grant. One patent makes the terminal cheap by simplifying its steering; this one helps that simplified terminal keep finding satellites in a crowded, obstructed real-world sky. Together they describe a coherent user-edge strategy: cheap to build, and engineered to stay connected.
The honest limit is that visibility methods are bounded by physics and environment, since no algorithm conjures a clear line of sight where a building blocks it. The grant tells you SpaceX treated visibility and acquisition as a problem worth dedicated IP. How well it works is a function of where the terminal actually sits and what is in the way.