Improved grammar in recent notes.

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miguel 2021-09-22 23:40:12 +10:00
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@ -91,7 +91,7 @@
<li>Re : Additional resistance due to external losses, due mainly from capacitor contact resistance and proximity-to-ground effects. Use Re=0.0 to assume the loop is in free-space.
Adding Re will reduce antenna efficiency, Q, Vcap and Ia, while increasing BW.
According to [1] and [2], a 1 m diameter loop of 22 mm copper tubing at a height of 1.5 m above the ground at 7 MHz had a calculated capacitor contact resistance of ~190m&#937;
and an additional ground proximity loss resistance of ~30m&#937;. Note that ground effects are height-above-ground and frequency-dependent.</li>
and an additional ground proximity loss resistance of ~30m&#937;. Note that ground losses are dependent on both frequency and height-above-ground.</li>
<li>Metric or Imperial : selects the measuring system.</li>
<li>Cu or Al : selects the type of metal conductor (annealed copper or aluminum).</li>
<li>Circ, Oct, Hex or Sqr : selects the shape of the magloop.</li>