http://vk2zoi.com/articles/dual-band-high-gain-flower-pot/ has been crawled 25 times going all the way back to October 7, 2009.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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September 18, 2012

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Note

This calendar view maps the number of times http://vk2zoi.com/articles/dual-band-high-gain-flower-pot/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.