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<p>on a busy <a href="page.php?w=frequency">frequency</a> without first checking whether it is in use, or without being able to hear stations using the frequency. Another form of unintentional jamming occurs when equipment accidentally <a href="page.php?w=Radiation">radiates</a> a signal, such as a <a href="page.php?w=cable_television">cable television</a> plant that accidentally emits on an aircraft emergency frequency.</p>

<p><big>Distinction between "jamming" and "interference"</big></p>
<p>Originally the terms were used interchangeably but nowadays</p><p>
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