 <span class="s2">&quot;B0&quot;</span><span class="p">,</span>  <span class="s2">&quot;pos_x&quot;</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span>  <span class="s2">&quot;pos_y&quot;</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="s2">&quot;units&quot;</span><span class="p">:</span> <span class="s2">&quot;m&quot;</span><span class="p">,</span> <span class="s2">&quot;U_kV&quot;</span><span class="p">:</span><span class="mf">66.0<