Automatic Low-Pass Filter
The HBF 1000 is a high power low pass filter, it’s designed to be used with a transceiever or amplifier to reduce the unwanted harmonics
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The winning article for the November 2018 QST Cover Plaque award is “Build an Inexpensive Dummy Load with Wattmeter” by Jack Purdum, W8TEE, and Al Peter, AC8GY. The QST Cover Plaque Award — given to the author or authors of the most p... Read more
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