OU-PRIME radar with new OU sign
<a href="https://en.wikipedia.org/wiki/User:Rpalmerarrc" class="extiw" title="wikipedia:User:Rpalmerarrc">Rpalmerarrc</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons by <a href="//commons.wikimedia.org/wiki/User:Pierre_cb" title="User:Pierre cb">Pierre_cb</a>.