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<div class="" style="color:rgb(33,33,33); font-size:15px; margin:0in"><font face="Calibri, sans-serif" size="3" class="">Please consider submitting a paper to the XXXIV General Assembly and Scientific Symposium (GASS) of the International Union of Radio Science
(URSI). The committee is implementing a hybrid option for the meeting to allow both on-site and remote participation. The on-site meeting will be held in Rome, </font><b class="" style="font-family:Calibri,sans-serif; font-size:12pt">28 August-4 September
2021</b><span class="" style="font-family:Calibri,sans-serif,serif,EmojiFont; font-size:12pt">, replacing the GASS 2020 cancelled due to COVID 19 pandemic. </span></div>
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<b class="">Call for papers closes on 31 January 2021. </b></p>
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<span style="font-size:10pt; line-height:15.3333px">G07 Design and Application of HF and OTH Radar Systems</span></p>
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<span style="font-size:10pt; line-height:15.3333px">conveners: Manuel Cervera, Richard Todd Parris, Kate Zawdie</span></p>
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<span lang="EN-GB" style="font-size:10pt; line-height:15.3333px">Session Description: </span><span style="font-size:10pt; line-height:15.3333px">This session is focused on sky-wave High Frequency radar, including operational over-the-horizon radars and the
SuperDARN ionospheric research radars and their support instruments. Research topics include :</span></p>
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<span style="font-size:10pt">• Antenna design,</span></p>
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<span style="font-size:10pt">• HF waveforms (radar and sounders),</span></p>
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<span style="font-size:10pt">• HF digital receivers,</span></p>
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<span style="font-size:10pt">• Signal processing techniques</span></p>
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<span style="font-size:10pt">• HF radio wave propagation in the ionosphere</span></p>
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<span style="font-size:10pt">• Space weather monitoring with HF radar observations</span></p>
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<span style="font-size:10pt">• HF sounding of the ionosphere at all latitudes</span></p>
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<span style="font-size:10pt">• Ionospheric disturbances and their impacts on HF and OTH systems</span></p>
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<span style="font-size:10pt">• Application of satellites to HF propagation studies</span></p>
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<span style="font-size:10pt">• Coordinate registration and multi-mode management</span></p>
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<span style="font-size:10pt">• Ionospheric Absorption (measurements and modeling)</span></p>
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<span style="font-size:10pt">• Directional HF noise and interference (measurements and modeling)</span></p>
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<span style="font-size:10pt">• HF mapping of the terrestrial surface</span></p>
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<span style="font-size:10pt">Abstract submission link: </span></p>
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<span style="font-size:10pt; font-family:Tahoma,sans-serif,serif,EmojiFont"><a href="https://www.ursi2020.org/author-info-abstract-submission/" target="_blank" rel="noopener noreferrer" id="LPlnk570873" previewremoved="true"><span style="font-family:Arial,sans-serif,serif,EmojiFont"></span></a><a href="https://www.ursi2021.org/author-info-abstract-submission/" class="OWAAutoLink" id="LPlnk497860" previewremoved="true">https://www.ursi2021.org/author-info-abstract-submission/</a></span></p>
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<span style="font-size:10pt">We hope to see you in Rome!</span></p>
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<span style="font-size:10pt">Kate Zawdie</span></p>
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<span style="font-size:10pt">Todd Parris</span></p>
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<span style="font-size:10pt">Manuel Cervera</span></p>
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