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        <li>Wednesday, 22 May 2013</li>
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<div id="contentwrapper"><div id="rightcontent"><div id="headimage"><img height="100" width="530" alt="National Space Science Data Center Header" src="/logo/nssdc_header.jpg"/></div><h1>Coherent Electromagnetic Radio Tomography (CERTO)</h1><p><strong>NSSDC ID:</strong> 2001-043B-01<br/><strong>Mission Name:</strong> Picosat 9<br/></p><div class="twocol"><div class="urone"><h2>Description</h2><p>
          The Coherent Electromagnetic Radio Tomography (CERTO) is a radio beacon which measures ionospheric parameters in coordination with ground receivers. CERTO provides global ionospheric maps to aid prediction of radio wave scattering. CERTO was developed by the Naval Research Lab.
          </p></div><div class="urtwo"><h2>Alternate Names</h2><ul><li>CERTO</li></ul><h2>Disciplines</h2><ul><li>Engineering: None assigned</li><li>Space Physics: Ionospheric Studies</li></ul><h2>Additional Information</h2><ul><li><a href="spacecraftDisplay.do?id=2001-043B">Picosat 9</a></li><li><a href="datasetSearch.do?spacecraft=Picosat 9&amp;experiment=Coherent Electromagnetic Radio Tomography (CERTO)">Data collections from this experiment</a></li></ul><h2/><p>
          Questions or comments about this experiment can be directed to:
          <a href="mailto:dieter.bilitza-1@nasa.gov?Subject=NMC Comment/Question: Coherent Electromagnetic Radio Tomography (CERTO) (2001-043B-01)">Dr. Dieter K. Bilitza</a>.
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        <li>NASA Official: <a href="mailto:Edwin.J.Grayzeck@nasa.gov">Dr. Ed Grayzeck</a></li>
        <li>Curator: <a href="mailto:Ed.Bell@nasa.gov">E. Bell, II</a></li>
        <li>Version 4.0.22, 21 May 2013</li>
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