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RX3MS Helical Antennas

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ANTENTOP- 01- 2016 # 020

RX3MS Helical Antennas

 

 

Figure 3 shows MINI RX3MS Helical antenna. The antenna was made on the mast in 5- meter length. A dry Pine Tree Pole was used to make the mast. On the mast was inserted a plastic water pipe tube in diameter 40- mm and 1.5- meter long. 33 meters of twin wire line in plastic insulation was wound around the plastic water pipe tube. Line on the antenna up end was opened. 3.5 meter length wire in 2- mm diameter is going to the transformer.

Transformer was made on to a ferrite ring in dimensions 60x40x10 (OD x ID x H). It were wound by a twisted wire 8 turns, schematics is shown in the Figure 3. Antenna had grounding. It was made by wire in dia 3- mm that was connected to aluminum tube in 3- meter length that was inserted to the ground. The antenna could be tuned from 1.8 to 30.0- MHz.

 

 

 

 

Figure 3 MINI RX3MS Helical antenna

 

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April 2, 2016 22:47

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