Microwave Journal

Ask Harlan: Question of the Month - February 2007

February 7, 2007

Published February 7, 2007

In an effort to better combine the editorial content of our magazine with our newly developed and retooled on-line presence, we have decided to expand Harlan's RF and microwave engineering advice into a monthly feature that appears in Microwave Journal.

Harlan has selected one question from his "Ask Harlan" column to be featured in the January issue. Harlan will be monitoring the responses and will ultimately choose the best answer to the question. Although all of the responses to the featured question will be posted on our web site, we plan to publish the winning answer in the April issue.

You be the expert: Please take a few moments and provide an answer to this month's featured question. Good luck and we look forward to reviewing your answer.

All responses must be submitted by March 6, 2007, to be eligible for the participation of the February question.

Peter Saul from Saul Research has submitted this month's question:

Dear Harlan,

What happened to the "Hula Hoop" antenna, AKA DDRR? It was reported in the 1960s, but not since. It appears from the references (Microwave Journal, Vol. 6, No. 11, November 1963, pp. 89-90; how can I get a copy?) to have had lots of promise.

The winning response will win a free book from Artech House, along with an "I Asked Harlan!" t-shirt. In addition, everyone who submits a legitimate response will be sent an "I Asked Harlan!" t-shirt.

If your response is selected as the winner, you'll receive a free book of your choice from Artech House. Visit the Artech House on-line bookstore at www.artechhouse.com for details on hundreds of professional-level books in microwave engineering and related areas (maximum prize retail value $150).


Help:

If you experience any difficulty submitting a response to the current Ask Harlan question, please let us know by emailing

askharlan@mwjournal.com


Disclaimers: Microwave Journal reserves the right to determine the legitimacy of all responses. The determination of the winning response is not based on any set criteria and is based only on the opinions of the editors of Microwave Journal.

Questions and answers submitted to Ask Harlan are collected for sole use by Microwave Journal and www.MWJournal.com. Names and company affiliations will be published with questions and answers that qualify according to our editorial policies. Email addresses are collected in case we need to contact you.

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Email addresses and mailing addresses are not published and are not shared with any third party.

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Entry into the T-Shirt give away is while supplies last.