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<p>The two then exchanged roles at the quench rate.</p>

<p><big> Wartime applications </big></p>
<p>Superregenerative receivers were used extensively during the Second World War, particularly in identification friend or foe (IFF) systems. They were employed in <a href="page.php?w=IFF_Mark_III">IFF Mark III</a> airborne systems used by Allied forces. More than 200,000 such units were produced in the United Kingdom and the United States, with gain variation across units reportedly within 5&nbsp;<a href="page.php?w=Decibels">Decibels</a> (dB) above or below</p><p>
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