How to zero-beat WWV to check or adjust a Frequency Counter’s accuracy by W2AEW

This is another cool video by W2AEW.  He does the best job of explaining theory I have found.  His videos are excellent and his schematics and formula explanations are easy to understand.  I have exchanged messages with him and he encourages us to follow his blog and learn.  Also check out his website below!

This video shows how to zero-beat the WWV signal as a tool to adjust the frequency reference of an old frequency counter. It demonstrates the concept of zero-beat’ing a test signal against the WWV carrier. Since the WWV carrier is likely more accurate than any other frequency reference that most hobbiests and hams have in their labs, this is a useful technique. It can be used to check or adjust the 10MHz reference in the counter, if it has one, or can be used to very precisely set the output frequency of a signal generator which can then be used as a test signal for the frequency counter.

Similar techniques can be used to adjust the frequency accuracy of a ham radio’s reference. Several years ago, I wrote up a procedure that I put on my website. If can be found here:
http://www.qsl.net/w2aew/adjustrig.htm

 

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About swgraham2

Mountain Mists is an opportunity to develop some thought processes individually as I journey through this wonderful world; as someone who values highly effective management techniques and the art of leading teams; and through my association with West Virginia University as a professional technologist and network manager specializing in digital signage.

Posted on July 19, 2014, in Electronic Theory, Ham Videos, Homebrewing & Kits, Oscilloscope, Projects, Radio Operations, Station Accessories, Uncategorized and tagged , , , , , , , , , , , . Bookmark the permalink. Leave a comment.

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