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spaceflightnow.com
2105 GMT (4:05 p.m. EST)
The handover has occurred. Now 19 minutes to the burn ignition.
2103 GMT (4:03 p.m. EST)
Mars Reconnaissance Orbiter is now switching its communications mode from the precise high-gain antenna to the low-gain antenna. The low-gain allows the spacecraft to receive and send signals without having to directly point the antenna at Earth. The telemetry data will be 160 bits per second.