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<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-family:calibri,sans-serif">Dear colleagues,</span><br></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"><br></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">We would like to draw your attention to the Commission G session entitled Design and Application of HF and OTH Radar Systems at the next URSI General Assembly in Montreal, Canada from August 19-26th, 2017. <b>Please be aware that the deadline for abstract submission is Monday, January 30, and that this is a correction on the date that appeared in an earlier announcement for the Commission G Radio Occultation session.</b> The session description appears below; more information about the meeting is available at <a href="http://www.ursi2017.org/">http://www.ursi2017.org/</a>. The web site for submitting abstracts is <a href="http://www.ursi2017.org/side_program/scientific_program/call_for_submissions_e.shtml">http://www.ursi2017.org/side_program/scientific_program/call_for_submissions_e.shtml</a></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"><br></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">Best regards,</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">Mike Ruohoniemi, Manuel Cervera, and Richard T. Parris</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"><br></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">**************************************************************************</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">Commission G - " Design and Application of HF and OTH Radar Systems "</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">Convenors: J. Michael Ruohoniemi, Manuel Cervera, Richard. T Parris</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"> </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">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. </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"><br></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">Research topics include :</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Antenna design, </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>HF waveforms (radar and sounders), </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>HF digital receivers, </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Signal processing techniques</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>HF radio wave propagation in the ionosphere</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Space Weather monitoring with HF radar observations</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>HF sounding of the ionosphere at all latitudes</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Ionospheric disturbances and their impacts on HF and OTH systems</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Application of satellites to HF propagation studies </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Coordinate registration and multi-mode management</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Ionospheric Absorption (measurements and modeling)</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Directional HF noise and interference (measurements and modeling)</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif">•<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>HF mapping of the terrestrial surface</font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"><br></font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><font face="calibri, sans-serif"> </font></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><br></p></td></tr><tr><td style="padding:0in"><table class="gmail-MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100%"><tbody>
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