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shielded-loop-antenna
The shielded loop is the ideal reception antenna for long wave and medium dx reception, it has a highly directional, deep, null and rejects most noise sources
post 20 Feb 2022
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Invisible DX Antenna for the Low Bands
This paper describes a multi-band DX antenna for the 160m-40m amateur radio bands
Dual-Flag Receive Antenna
The antenna is made up of two rectangles 30-feet long by 20-feet tall
Un'antenna in ferrite per 40/80 metri
The simple simple design includes two BFX89, one potentiometer and a variable air condenser, plus a handful of resistors and capacitors
An active passive for rtl-sdr up converter
Receiving antenna for lf/mf/hf as well a passive transmission and reception antenna for vhf/uhf
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This paper describes a multi-band DX antenna for the 160m-40m amateur radio bands
The antenna is made up of two rectangles 30-feet long by 20-feet tall
The simple simple design includes two BFX89, one potentiometer and a variable air condenser, plus a handful of resistors and capacitors
Receiving antenna for lf/mf/hf as well a passive transmission and reception antenna for vhf/uhf
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