https://rfcorner.in/tags/esp32/Recent content in ESP32 on Dhiru's NotebookHugoenSat, 22 Aug 2026 00:00:00 +0000https://rfcorner.in/posts/the-easiest-and-best-wspr-decoder/Sat, 22 Aug 2026 00:00:00 +0000https://rfcorner.in/posts/the-easiest-and-best-wspr-decoder/<p>Could a serious WSPR station need only one small program and one memorable command?</p> <p>I built this especially for my friend Brad, K1TE. We both believe in practical P2P, point-to-point radio contacts, and we are working toward making them reliable across the breadth of planet Earth.</p> <p><a href="https://github.com/kholia/airspyhf-wsprd"><code>airspyhf-wsprd</code></a> is a dedicated receiver for the Airspy HF+ Discovery. It tunes, aligns to the WSPR boundary, decodes, reports to WSPRnet, and repeats:</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">./airspyhf-wsprd -b 20m -c VU3CER -g MK68xm </span></span></code></pre></div><p>No dial-frequency memorization, GUI, virtual audio cable, or Fortran runtime.</p>