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Relay Radio on Mars-Bound NASA Craft Passes Checkout
by Staff Writers
Pasadena CA (JPL) Mar 05, 2014


This radio hardware, the Electra UHF Transceiver on NASA's MAVEN mission to Mars, is designed to provide communication relay support for robots on the surface of Mars.

The team operating NASA's Mars Atmosphere and Volatile Evolution (MAVEN) mission successfully completed, on Feb. 19, 2014, the initial post-launch power-on and checkout of the spacecraft's Electra Ultra High Frequency Transceiver. This wraps up the initial checkouts of all payloads on the MAVEN spacecraft, with everything performing as expected.

MAVEN will examine the upper atmosphere of Mars to provide understanding about processes that led to the loss of much of the original Martian atmosphere.

Data and analysis could tell planetary scientists the history of climate change on the Red Planet and provide further information on the history of planetary habitability. The spacecraft was launched on Nov. 18, 2013, and will enter orbit around Mars in September 2014.

The Electra radio payload is part of the NASA Mars Exploration Program's Mars Relay Network. This network is composed of orbiters, including NASA's Mars Odyssey and Mars Reconnaissance Orbiter, that provide reliable, high-data-rate relay communications links to landers on the surface of Mars, including NASA's Opportunity and Curiosity rovers.

Using relay via orbiters, compared with the rovers' capability to transmit directly to Earth, greatly increases science data return from the Martian surface.

MAVEN will be available to provide relay services on a contingency basis during its prime science mission and may routinely provide relay support during an anticipated extended mission. MAVEN's Electra payload is provided and operated by NASA's Jet Propulsion Laboratory, Pasadena, Calif.

Since launch, the mission team has checked out MAVEN's three suites of science instruments. The Particles and Fields Package contains six instruments to characterize the solar wind and the ionosphere of Mars.

The Remote Sensing Package will determine global characteristics of the upper atmosphere and ionosphere.

The Neutral Gas and Ion Mass Spectrometer will measure the composition of Mars' upper atmosphere.

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Related Links
MAVEN at NASA
MAVEN at LASP
Mars News and Information at MarsDaily.com
Lunar Dreams and more






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MARSDAILY
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Moffett Field CA (SPX) Feb 18, 2014
It's almost five times easier to leave Mars than it is to leave Earth or Venus. At least, that's the case for many particles in the upper atmosphere. Mars' upper atmosphere is swarming with atoms, ions and molecules actively exiting the planet's sphere of influence. The Mars Atmosphere and Volatile EvolutioN (MAVEN) satellite is headed there to discover why. "The basic goal of MAVEN is to ... read more


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