wikiHow article about How to Make a Homemade Metal Detector. If you are hunting old townsites, forts, gold bearing sites, or battlefields; a contour map from the United States Geological Service (USGS) pays off enormous dividends by allowing you to fully visualize the area. More pulses are created when sharp electrical spike is created. But the thrill of the hunt for treasure with metal detectors overshadowed the heat. Needless to say, I did not have my metal detector that day. There are many different types of gold metal detectors, some are more complicated then others. And later on you can easily read the signals. Ever go to a beach and look in the water, and it looks like a minefield?
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