Update magloop.html

magloop.html

@@ -63,7 +63,7 @@
             but require parameters to be input using a keyboard. I wanted to create a tool that took advantage of the 
             touch-screens and high-speed of modern mobile phones, to allow users to get realtime feedback of the predicted
             behaviour of a magloop antenna. This would help a radio amateur to decide on the characteristics for the build.<br><br>
-            <u>Inputs via the slider widgets:</u>
+            <u>Inputs via the slider and radio widgets:</u>
             <ul> 
                 <li>&#8960a : Copper conductor diameter in millimeters (mm).</li>
                 <li>&#8960b : Loop diameter in meters (m).</li>
@@ -71,6 +71,8 @@
                 <li>c/a : is the spacing ratio; based on 'c' being the inter-winding spacing for multi-turn loops measured between conductor centers, and 'a' is the conductor diameter. (Must be >= 1.1) 
                     A low-value will increase the resistance due to the proximity effect.</li>
                 <li>Tx : The transmit power. This affects the predicted voltage across the capacitor (Vcap), and the RMS loop current (Ia).</li>
+                <li>Metric or Imperial : selects the displayed units for dimensions.</li>
+                <li>Cu or Al : selects the metal to either copper or aluminum.</li>
             </ul>
             <u>Calculated parameters:</u>
             <ul>