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Update short_dipole.html 

Support up to 30mm conductor diameter.
pull/2/head
miguel 2023-03-26 17:52:26 +11:00
rodzic 73014bb128
commit 06a12d9340
1 zmienionych plików z 29 dodań i 8 usunięć
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37
short_dipole.html
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@ -16,7 +16,7 @@
<div class="slider_container">
<div class="sliders">
<label for="frequency_slider">f(MHz):</label>
<input type="range" id="frequency_slider" min="0.0" max="6.4" value="1.0" step="0.01">
<input type="range" id="frequency_slider" min="0.0" max="5.0" value="1.0" step="0.01">
</div>
<div class="sliders">
<label for="antenna_length_slider">l(%):</label>
@ -28,7 +28,7 @@
</div>
<div class="sliders">
<label for="conductor_diameter_slider">AWG:</label>
<input type="range" id="conductor_diameter_slider" min="0" max="40" value="20" step="1">
<input type="range" id="conductor_diameter_slider" min="10" max="50" value="20" step="1">
</div>
</div>
<div style="text-align:center">
@ -43,7 +43,7 @@
<li>f : The frequency of operation in MHz. [1.8-57.6 MHz]</li>
<li>l : Length in percent compared to a half-wave dipole. Defaults to full-length half-wave dipole. [10-100 %]</li>
<li>d : Distance of the coil/inductor from the feedpoint to the end, in percent. Defaults to midway from feedpoint to the end. [10-80 %]</li>
<li>AWG : Conductor diameter slider changes wire thickness in AWG. Actual diameter displayed in decimal inches and millimeters. [40-0 AWG]</li>
<li>AWG : Conductor diameter slider changes wire thickness in AWG until AWG=0, then in mm for larger diameters. Actual diameter displayed in decimal inches and millimeters. [30-0 AWG, up-to 30mm]</li>
</ul>
<p>Top left is the length of a single antenna element. (Not including the coil length.) <br>
Top right is the length of the entire dipole. (Not including the coil length.)) </p>
@ -96,6 +96,16 @@
case 2: return 6.544;
case 1: return 7.348;
case 0: return 8.251;
case -1: return 9.0;
case -2: return 10.0;
case -3: return 11.0;
case -4: return 12.0;
case -5: return 13.0;
case -6: return 14.0;
case -7: return 15.0;
case -8: return 20.0;
case -9: return 25.0;
case -10: return 30.0;
default: return 0.0;
}
}
@ -389,6 +399,17 @@
fctx.fillText(dipole.distance_meters.toFixed(2).toString() + " m", wire_x - 60, d_pos + 12 );
fctx.fillText(dipole.distance_feet.toFixed(2).toString() + " ft", wire_x - 60, d_pos - 4);
//fctx.fillText(getFeetAndInchesFromFeet(dipole.distance_feet), wire_x - 60, d_pos - 4);
// Draw midpoint arrow:
if((spacing_font == emphasis_font) || (antenna_length_font == emphasis_font)) {
fctx.font = emphasis_font;
} else {
fctx.font = normal_font;
}
drawArrow(fctx, wire_x - 30, up_wire_bot_y, 0.5*Math.PI);
fctx.fillText("0.00", wire_x - 60, up_wire_bot_y + 5);
fctx.font = normal_font;
if(spacing_font == emphasis_font) {
@ -406,10 +427,6 @@
fctx.fillText((dipole.length_feet * 0.5).toFixed(2).toString() + " ft", wire_x - 60, up_wire_top_y - 4);
//fctx.fillText(getFeetAndInchesFromFeet(dipole.length_feet * 0.5), wire_x - 60, up_wire_top_y - 4);
fctx.fillText((dipole.length_meters * 0.5).toFixed(2).toString() + " m", wire_x - 60, up_wire_top_y + 12);
// Draw midpoint arrow:
drawArrow(fctx, wire_x - 30, up_wire_bot_y, 0.5*Math.PI);
fctx.fillText("0.00", wire_x - 60, up_wire_bot_y + 5);
fctx.textAlign = "left";
@ -435,7 +452,11 @@
fctx.font = spacing_font;
fctx.fillText("d = " + (inductor_distance_slider.value * 1.0).toFixed(1).toString() + " %", left_spacing, down_wire_bot_y - 36);
fctx.font = cond_dia_font;
fctx.fillText("AWG = " + (40-conductor_diameter_slider.value).toString(), left_spacing, down_wire_bot_y - 18);
if(conductor_diameter_slider.value <= 40) {
fctx.fillText("AWG = " + (40-conductor_diameter_slider.value).toString(), left_spacing, down_wire_bot_y - 18);
} else {
fctx.fillText("Diameter:", left_spacing, down_wire_bot_y - 18);
}
fctx.fillText("\u2300 = " + cond_diameter_inches.toFixed(4).toString() + "\" " +
"(" + cond_diameter_mm.toFixed(3).toString() + " mm)", left_spacing, down_wire_bot_y);
fctx.font = normal_font;