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<p>[QUOTE=&quot;Numbers, post: 400259, member: 11668&quot;]Well, I guess it depends on what you mean by &quot;repeater&quot;.&nbsp; If you&#039;re strict about it and you only accept the traditional ABCDABCD format, then they also come up once in 10,000 serials.</p><p><br /></p><p>For either a radar or a repeater, the first four digits can be anything you want, and then the last four digits don&#039;t have any choices at all; they have to match the first four, either forward (for a repeater) or backward (for a radar).</p><p><br /></p><p>Then one in 1,000,000 serials will be both a radar *and* a repeater, of the form ABBAABBA.&nbsp; And of course, one in 10,000,000 will be a solid, of the form AAAAAAAA.&nbsp; These serials were included in the 1-in-10,000 figure given above for radars and repeaters individually; the chance of finding a serial that&#039;s *just* a radar, and not anything fancier, is slightly lower than that.[/QUOTE]</p><p><br /></p>

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