3-way active splitter in BOX by QRZ.cz

This active splitter allows you to split one antenna into multiple RX. The splitter can also be used to split a reference frequency, for example 10MHz. The outputs have high isolation and minimal difference in splitting. The input includes a diode limiter and the preamp gain can be varied by an output attenuator. This 3-way active splitter…

K9AY++ RX Antenna REMOTE by QRZ.cz

This is small four directional RX antenna for lower HF bands. Ideal for portable use as well as for home installation. Antenna has got Band Pass Filters and Preamplifier in the feed point of the loops. It is advantage of filtering and amplification small signals directly from antenna. Controller is able to control also Bi-directional…