Mars Exploration News  
MARSDAILY
Opportunity team performs more frequent communication attempts throughout each day
by Staff Writers
Pasadena CA (JPL) Dec 17, 2018

phone home

Mars atmospheric opacity (tau) over the rover site remains at a storm-free range around 1.0.

No signal from Opportunity has been heard since Sol 5111 (June 10, 2018). Opportunity likely experienced a low-power fault, a mission clock fault and an up-loss timer fault. Since the loss of signal, 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 mission clock fault on the rover. The team has expanded the breath of sweep and beeps commanding, covering more times a day on Mars.

Mars is now in the seasonal period of past dust clearing events for the rover. Since loss of signal, 436 recovery commands have been radiated to the rover.

Total odometry is unchanged at 28.06 miles (45.16 kilometers).


Related Links
Opportunity Archive at JPL
Mars News and Information at MarsDaily.com
Lunar Dreams and more


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MARSDAILY
Over Five Months Without Word From Opportunity
Pasadena CA (JPL) Dec 03, 2018
Mars atmospheric opacity (tau) over the rover site remains at a storm-free level of 0.8. Since loss of signal on Sol 5111 (June 10, 2018), 359 recovery commands have been radiated including on both polarizations. 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 project has been listening for the rover over a broad range of times, frequencies and polarizations using the Deep Space Network ( ... read more

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