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Underground Frequency Guide: A Directory of Unusual, Illegal, and Covert Radio Communications Paperback – Oct 1994


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Product Details

  • Paperback: 209 pages
  • Publisher: Llh Technology Pub; 3rd Revised edition edition (October 1994)
  • Language: English
  • ISBN-10: 1878707175
  • ISBN-13: 978-1878707178
  • Product Dimensions: 1.3 x 15.2 x 22.9 cm
  • Shipping Weight: 318 g
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: #1,316,328 in Books (See Top 100 in Books)

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Most helpful customer reviews

Format: Paperback
Are you tired of listening to the BBC and Voice of America on your shortwave receiver? Do you want to hear something new and exciting? Than this book is for you.
Written during the peak of unusual radio communications, The Underground Frequency Guide covers "numbers stations" that intelligence agencies may use to communicate with agents, international diplomatic traffic, Air Force One's phone calls, and bootleg radio users... everyone from fishermen to guerilla military forces.
Oh, and did I mention that it's 100% legal to tune in in the United States?
The only problem with this book is that it has become just a bit outdated. Frequencies change on occasion, and some stations mentioned have been silenced, gone encryped, disappeared, or switched frequencies.
This book is a good background read, but don't expect all the infromation to remain accurate. For more recent information you can check websites like spynumbers.com.
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 3 reviews
3 of 3 people found the following review helpful
Neat, but out of date Jan. 23 2011
By Da Widder Brown - Published on Amazon.com
Format: Paperback Verified Purchase
This is a neat book, but it needs updating big time. AT its price, however, you can't really complain. I'd love to see a real directory type directory of these stations but that can't be done until information in this book and around the world is updated regarding which stations are still on, which have disappeared, changed or adding information about new ones. Get on it!
1 of 1 people found the following review helpful
Radio Intrigue With Don Schimmel July 5 2014
By Curt Rowlett - Published on Amazon.com
Format: Paperback Verified Purchase
Yes, this book is outdated, but it is still a great read on the historical aspects of "underground" radio. I learned quite a lot of new things about signals that I was already aware of through this book, and learned about several others that I had never heard of before.

The author, Don Schimmel, is a well-regarded figure among radio amateurs and a quick web search of his name will bring you to his website (check out Radio Intrigue with Don Schimmel). There, you will find all of Don's latest finds in the world of the unusual, including numbers stations, clandestine military signals, strange beacons, and all manner of odd and unusual utility stations that one can find using a shortwave radio, patience and a little bit of luck.
1 of 1 people found the following review helpful
Excellent guide Oct. 26 2013
By Holly - Published on Amazon.com
Format: Paperback
For when this book was published and for the price, it's a very good guide. Very well-written and thorough. You can tell Donald put a lot of time and effort into it.


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