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Es werden Posts vom September, 2011 angezeigt.

Amateur Radio Antenna Tower Project

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Hi all fellow Radio Amateurs and Hams, dear interested guests ! My new project reached a first milestone: Basement done.  The final tower height will be 18 m (approx. 50 feet) ... This tower is a Hummelmasten Explora 500 with an edge length of 500 mm. See the pictures and enjoy ... Step 1: Preparing the basement section of the tower with protective paint (bitumen). The result: About 80 cm of the tower lower end covered in bitumen - 2 layers ... Took about 2 hours to get in all the little edges and to cover all hidden surfaces ... Step 2: Digging the hole for the basement. 3,2 x 3,2 x 1,2 meters ... the little digger helped a lot. See also the panel of the photovoltaic power generation installation in the background ...  Step 3: With the basement bottom concrete layer in the steel cage for the tower is built. We need steel - more steel ! On the left side you see the two black tubes: The coax cables and the control lines for the rotor and even Ethernet wi