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authorYour Name <you@example.com>2019-06-17 21:09:12 +0200
committerYour Name <you@example.com>2019-06-17 21:09:12 +0200
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+<html lang="en" dir="ltr">
+ <head>
+ <meta charset="utf-8">
+ <link rel="stylesheet" href="hacklabxl.css">
+ <title>hcklabxl : foghorn</title>
+ </head>
+ <body>
+
+ <h1>hcklabxl : foghorn</h1>
+
+ <p><img src="./foghorn_Leghorn.png" class="fhri" alt=""></p>
+
+<p>A whistle shall be placed as high as practicable on a
+vessel in order to reduce interception of the emitted
+sound by obstructions and also to minimize hearing
+damage risks to personnel.
+The sound level of the vessel&rsquo;s own signal at listening
+posts shall not exceed 110 dB(A) and as far as
+practicable should not exceed 100 dB(A).</p>
+
+<p><img src="/foghorn_tyfon.png" alt="a tyfon foghorn" /></p>
+
+<p>(f) A vessel at anchor shall at intervals of not more
+than one minute ring the bell rapidly for about 5
+seconds. In a vessel of 100 metres or more in
+length the bell shall be sounded in the forepart of
+the vessel and immediately after the ringing of
+the bell the gong shall be sounded rapidly for
+about 5 seconds in the after part of the vessel. A
+vessel at anchor may in addition sound three
+blasts in succession, namely one short, one prolonged
+and one short blast, to give warning of
+her position and of the possibility of collision to
+an approaching vessel.</p>
+
+<p><img src="/foghorn_tyfon2.png" alt="a tyfon foghorn" /></p>
+
+<p>(g) A vessel aground shall give the bell signal and if
+required the gong signal prescribed in paragraph</p>
+
+<p><img src="/foghorn_tyfon3.png" alt="a tyfon foghorn" /></p>
+
+<p>(f) of this Rule and shall, in addition, give three
+separate and distinct strokes on the bell immediately
+before and after the rapid ringing of the bell.
+A vessel aground may in addition sound an appropriate
+whistle signal.</p>
+
+<p><div class="foghornrequiem">
+<img src="/foghorn_requiem.jpeg" alt="the foghorn requiem" /></p>
+
+<p><a href="http://foghornrequiem.org/">http://foghornrequiem.org/</a></p>
+</div>
+plenty of DIY pvc foghorn designs online</p>
+
+
+ </body>
+</html>