Youloop Receiving Antenna


Very compact, passive receive antenna for LW, MW and SW, SMA connector.

without VAT, plus shipping
In stock, shipped in 3 to 4 days.

The 'Youloop' is a passive receiving antenna, which is constructed according to the principle of the Möbius loop. Here, the inner and outer conductors of a coaxial cable are interchanged at one point, resulting in a long conductor in several turns. For long wavelengths, this construction is electrically symmetrical, which compensates for interference on the long bands and makes the antenna very low-noise. To maintain this electrical symmetry over a wider frequency range and to make it independent of the feed line, a balun is used at the feed point.

The Airspy Youloop is constructed from three very light semi-rigid cables with SMA connectors. The cable pieces can be rolled up to very small dimensions, so the antenna can be easily transported in the side pocket of a suitcase or similar. The antenna can be set up in a few seconds, it can be hung in the window with a suction cup or a string. The Youloop is not weatherproof, so if you want to use the antenna outdoors for a long time, you must seal the joints with self-welding tape.

The Youloop antenna can be used for a wide frequency range from long wave to medium wave and short wave. In principle, all types of receivers are suitable, but very low-noise receivers such as the Airspy HF+ Discovery are particularly suitable.

More informations on the working principle of the Youloop can be found in the Airspy-newsgroup at (in english).


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Technical Data
Weight [kg] 0.25 kgs
Weight (Transport) [kg] 0.26
Weatherproof No
Connector SMA Stecker
Diameter (cm) ca. 100
Freq Range [MHz] 0.01-30 MHz
Impedance (Ω) 50 Ohm
ANtenna Type Loop, Delta-Loop
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