Opportunity: Atmospheric opacity over rover drops to storm-free levels

NASA Mars Exploration Rover Status Report, November 8, 2018: The global dust storm on Mars has ended and atmospheric opacity (tau) over the rover site has dropped to a storm-free level of 0.8.

Since loss of signal on Sol 5111 (June 10, 2018), 253 recovery commands have been radiated. No signal from Opportunity has been heard. Opportunity likely experienced a low-power fault, a mission clock fault and an up-loss timer fault.

The team has been listening for the rover over a broad range of times, frequencies and polarizations using the Deep Space Network (DSN) Radio Science Receiver. They have been commanding “sweep and beeps” throughout the daily DSN pass with both right-hand and left-hand circular polarization, to address a possible complexity with certain conditions within the mission clock fault. [More at link]

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