We specialize in products and advice on guying and truss support of antennas and other structures. Our main products are optimized synthetic ropes designed for outdoor use and appropriate accessories. Guying mast clamps and all of the ropes are made in the Czech Republic.

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Our story

Our company has been a well-known brand in the field of amateur radio for more than 15 years (since 2007). We started with two rope product lines and a basic range of accessories, but have grown to over 300 items in our range and supply solutions worldwide. In general, Mastrant is specialized in products for guying and truss support of antennas and other structures. Main products are optimized synthetic ropes designed for outdoor use and appropriate accessories (thimbles, clips, connecting elements, tensioners, mast clamps, pulleys, ...).

We also provide consulting services and support amateur radio expeditions, contests, YOTA activities and WRTC (since 2014).

Martin Huml, OL5Y / OK1FUA
Founder and CEO