diff --git a/magloop.html b/magloop.html
index 25073c5..647ce00 100644
--- a/magloop.html
+++ b/magloop.html
@@ -12,20 +12,20 @@
         <canvas id="3Dantenna" height="200px">
             3D Antenna Radiation Pattern Canvas
         </canvas>
-        -->
         <svg >
             <circle cx="25%" cy="50%" r="40" stroke="black" stroke-width="2" fill="white"/>
             <circle cx="25%" cy="50%" r="35" stroke="black" stroke-width="2" fill="white"/>
             <text x="08%" y="50%" style="fill:black;">&#8960 1</text>
         <line x1="40" y1="50%" x2="80" y2="50%" style="stroke:rgb(0,0,0);stroke-width:2" />
         </svg>
+        -->
         <canvas id="chartCanvas">
             2D Chart Canvas
         </canvas>
         <section class="controls">
             <div>
                 <label for="loop_diameter_slider">Loop diameter (2a):</label>
-                <input type="range" id="loop_diameter_slider" min="0.5" max="3.0" value="1.0" step="0.1">
+                <input type="range" id="loop_diameter_slider" min="0.5" max="3.0" value="1.0" step="0.05">
                 <span id="loop_diameter_value"></span> (m)
             </div>
             <div>