http://wiki.hamtools.org/index.php?action=history&feed=atom&title=M
M - Revision history
2026-05-02T04:19:23Z
Revision history for this page on the wiki
MediaWiki 1.38.1
http://wiki.hamtools.org/index.php?title=M&diff=4752&oldid=prev
TimVK4YEH: /* M */
2010-12-19T05:40:09Z
<p><span dir="auto"><span class="autocomment">M</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:40, 18 December 2010</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4">Line 4:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-decoration: overline">SOS</span>. Lesser incidents are signalled using "pan-pan" (français: «panne» - mechanical breakdown, typically a ship drifting helplessly or an aircraft's emergency landing) or "security" (français: «sécurité» - safety, for warnings such as reports of icebergs in shipping lanes).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-decoration: overline">SOS</span>. Lesser incidents are signalled using "pan-pan" (français: «panne» - mechanical breakdown, typically a ship drifting helplessly or an aircraft's emergency landing) or "security" (français: «sécurité» - safety, for warnings such as reports of icebergs in shipping lanes).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''[[Frequency_Wavelength_and_Period#Frequency | Megahertz]]''': One million Hertz (HZ) - same as one million cycles per second<del style="font-weight: bold; text-decoration: none;">/</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''[[Frequency_Wavelength_and_Period#Frequency | Megahertz]]''': One million Hertz (HZ) - same as one million cycles per second<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Microphones |Microphone]]''' : A device that converts voice into electrical signals.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Microphones |Microphone]]''' : A device that converts voice into electrical signals.</div></td></tr>
</table>
TimVK4YEH
http://wiki.hamtools.org/index.php?title=M&diff=4554&oldid=prev
TimVK4YEH: added megahertz
2010-11-06T08:09:08Z
<p>added megahertz</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:09, 6 November 2010</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3">Line 3:</td>
<td colspan="2" class="diff-lineno">Line 3:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-decoration: overline">SOS</span>. Lesser incidents are signalled using "pan-pan" (français: «panne» - mechanical breakdown, typically a ship drifting helplessly or an aircraft's emergency landing) or "security" (français: «sécurité» - safety, for warnings such as reports of icebergs in shipping lanes).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-decoration: overline">SOS</span>. Lesser incidents are signalled using "pan-pan" (français: «panne» - mechanical breakdown, typically a ship drifting helplessly or an aircraft's emergency landing) or "security" (français: «sécurité» - safety, for warnings such as reports of icebergs in shipping lanes).</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''[[Frequency_Wavelength_and_Period#Frequency | Megahertz]]''': One million Hertz (HZ) - same as one million cycles per second/</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Microphones |Microphone]]''' : A device that converts voice into electrical signals.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Microphones |Microphone]]''' : A device that converts voice into electrical signals.</div></td></tr>
</table>
TimVK4YEH
http://wiki.hamtools.org/index.php?title=M&diff=3735&oldid=prev
TimVK4YEH: mp73N
2009-08-15T19:29:06Z
<p>mp73N</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:29, 15 August 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l19">Line 19:</td>
<td colspan="2" class="diff-lineno">Line 19:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Codes and Alphabets#Morse Code |Morse Code]]''' The code used by [[CW]] operators instead of voice communications</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Codes and Alphabets#Morse Code |Morse Code]]''' The code used by [[CW]] operators instead of voice communications</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''MP73N''' : A narrow band [[SSTV]] Mode</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MUF''' : Maximum usable frequency. The highest frequency at which a skywave is reflected back to Earth at the ionosphere under current propagation conditions. Can vary rapidly depending on time of day and sunspot activity.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MUF''' : Maximum usable frequency. The highest frequency at which a skywave is reflected back to Earth at the ionosphere under current propagation conditions. Can vary rapidly depending on time of day and sunspot activity.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MW''' : Medium Wave, 300-3000 kHz. This range includes the [[160 metres]] amateur band, the AM broadcast band and the 2182 kHz marine radiotelephone band.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MW''' : Medium Wave, 300-3000 kHz. This range includes the [[160 metres]] amateur band, the AM broadcast band and the 2182 kHz marine radiotelephone band.</div></td></tr>
</table>
TimVK4YEH
http://wiki.hamtools.org/index.php?title=M&diff=3497&oldid=prev
Carlb: /* M */
2009-06-18T14:01:55Z
<p><span dir="auto"><span class="autocomment">M</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:01, 18 June 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l21">Line 21:</td>
<td colspan="2" class="diff-lineno">Line 21:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MUF''' : Maximum usable frequency. The highest frequency at which a skywave is reflected back to Earth at the ionosphere under current propagation conditions. Can vary rapidly depending on time of day and sunspot activity.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''MUF''' : Maximum usable frequency. The highest frequency at which a skywave is reflected back to Earth at the ionosphere under current propagation conditions. Can vary rapidly depending on time of day and sunspot activity.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''MW''' : Medium Wave, 300-3000 kHz. This range includes the [[160 metres]] amateur band, the AM broadcast band and the 2182 kHz marine radiotelephone band.</ins></div></td></tr>
</table>
Carlb
http://wiki.hamtools.org/index.php?title=M&diff=3496&oldid=prev
Carlb: /* M */
2009-06-18T14:00:38Z
<p><span dir="auto"><span class="autocomment">M</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:00, 18 June 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l19">Line 19:</td>
<td colspan="2" class="diff-lineno">Line 19:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Codes and Alphabets#Morse Code |Morse Code]]''' The code used by [[CW]] operators instead of voice communications</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''[[Codes and Alphabets#Morse Code |Morse Code]]''' The code used by [[CW]] operators instead of voice communications</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''MUF''' : Maximum usable frequency. The highest frequency at which a skywave is reflected back to Earth at the ionosphere under current propagation conditions. Can vary rapidly depending on time of day and sunspot activity.</ins></div></td></tr>
</table>
Carlb
http://wiki.hamtools.org/index.php?title=M&diff=3413&oldid=prev
Carlb: New page: {{glossary}} ==M== '''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-deco...
2009-06-12T21:48:18Z
<p>New page: {{glossary}} ==M== '''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-deco...</p>
<p><b>New page</b></p><div>{{glossary}}<br />
==M==<br />
<br />
'''Mayday''': A most urgent distress call (français: «m'aidez» - help me) solely for use in life-threatening emergencies. The CW equivalent is <span style="text-decoration: overline">SOS</span>. Lesser incidents are signalled using "pan-pan" (français: «panne» - mechanical breakdown, typically a ship drifting helplessly or an aircraft's emergency landing) or "security" (français: «sécurité» - safety, for warnings such as reports of icebergs in shipping lanes).<br />
<br />
'''[[Microphones |Microphone]]''' : A device that converts voice into electrical signals.<br />
<br />
'''Microwave''' : signals above 1GHZ in frquency.<br />
<br />
'''[[Bands#Other_spectrum_distributions | Microwave Bands]]''' : Division of the range of frequencies above 1GHz into a series of bands.<br />
<br />
'''[[Mobile antenna|Mobile]]''': A mode of operation in which a station may operate from a moving vehicle (mobile) or a ship at sea ([[maritime operation|maritime mobile]]). In CW, mobile and maritime mobile operators may identify using /M and /MM respectively. As a class of [[transceiver]], mobile units fall between hand-held (5W or less) and base stations in both physical size and transmitted power. These units typically operate from the vehicle's battery and often transmit 50 watts or more using a vertical antenna mounted to use the metal vehicle body as a ground plane.<br />
<br />
'''[[Modes |Mode]]''' : The way electromagnetic waves are changed so that transmission of information is possible. <br />
<br />
'''Modulation''' : The process of adding information to a carrier signal.<br />
<br />
'''Modulator''' : A device that adds information to a carrier signal.<br />
<br />
'''[[Codes and Alphabets#Morse Code |Morse Code]]''' The code used by [[CW]] operators instead of voice communications</div>
Carlb