1. HBR4HF Quad Band HF Transceiver (80m, 40m, 20m, 10m+) - https://hambuilder.com/product/hbr4hf-quad-band-hf-transceiver-80m-40m-20m-10m/
** 100W SSB/CW HF Transceiver (80m, 40m, 30m, 20m) HBR4HFS band group #1 - https://www.ebay.com/itm/174537452346
2. A Receiving Loop for Long Waves (RX антена для прийому довгих хвиль) - https://www.qsl.net/d/df3lp/projects/lfloop/index.html
3. MINI LOOP antenna - http://www.creative-science.org.uk/minihfloop.html
4. PA3GZK's WIDE BAND ACTIVE LOOP RECEIVING ANTENNA (невелика активна антена) - https://pa0fri.home.xs4all.nl/Ant/Active%20antenna/Active%20receiving%20%20loop%20antenna%20eng.htm
5.Калькулятор для Super J-Pole Antenna(Collinear Design) - http://users.marktwain.net/aschmitz/antennas/jpolecalc.html
** Building A 2-meter J-Pole Antenna (етапи побудови J-антени) - http://www.alpharubicon.com/elect/jpolejaden.htm
