1. Проект 2N2/40 - https://www.qsl.net/wb8rcr/2N2-40.htm
2. ES9C в Ukrainian DX Contest 2021 - http://uarl.org.ua/index.php/sport/912-es9c-v-ukrainian-dx-contest-2021
** ES5TV 15m 8x5 Elements H Frame Stack - https://www.youtube.com/watch?v=Z9fDlbIFhMs
3. Adding a Pan-adapter to the Kenwood TS-590S - http://www.crystalradio.us/projects/ts-590s-panadaptor.htm
4. Конструкція багатодіапазонної КХ "end-fed" antenna - https://www.nonstopsystems.com/radio/frank_radio_antenna_multiband_end-fed.htm
5. WSPR Beacons/Beacon Band activity - https://wspr.live/gui/d/PkUWVi6Gz/beacon-band-activity?orgId=1&refresh=1m
** WSPR Tools for Analysis, Mapping, TimeLine Animation, Reporting - https://www.gm4eau.com/home-page/wspr/additional-wspr-tools-available/
** Ще один ресурс для прогнозу проходження: VOACAP Online for Ham Radio - https://www.voacap.com/hf/
