Amazon.com: ShortWave Radio Antenna HF05-30 Long Range Directional Loop Antenna Long Line Antenna, Active Medium Wave, Indoor SMA SW Antenna for RTL SDR Radio Receiver Radio Stations : Electronics
Build a Multiband Shortwave Antenna - Simple Shortwave Antennas for Shortwave Radios!
Curtain array - Wikipedia
Cage Shortwave Antenna for AM Broadasting - FMUSER
Shortwave antenna options for apartments, flats and condos | The SWLing Post
How to make a Shortwave Antenna
Shortwave Antenna Listening with Portable Receiver Like TECSUN PL-660? - Amateur Radio Stack Exchange
Build my first random wire antenna. 50ft long, thrown up in a tree I was able to pick up stations as far east as Tajikistan from NC on my PL-880. Highly recommended
Is a TV antenna any good as a shortwave radio antenna? (Receiving only) : r/amateurradio
A Magnetic Loop Antenna for Shortwave Listening (SWL) - KR1ST