   <span class="keyword">else</span>
0171         <span class="keyword">if</span> (TX.ppdu_fmt ~= 1)
0172             err = 7;
0173             <span class="keyword">return</span>
0174         <span class="keyword">end</span>
0175         <span class="comment">% Already tried to read RL-SIG, backtrack the RL-SIG samples</span>
0176         idx0 = idx0 - 80*n_chan_rx;
0177         
0178         <span class="comment">% Parse L-SIG</span>
0179         PHY = <a href="sig_parse.html" class="code" title="function