1. EA6-QRP, BALEARIC ISLANDS (http://www.papays.com/opdx1519.html) Andy, DK5ON, will once again be active as EA6/DK5ON from Mallorca Island (EU-004, ARLHS BAL-010 Cap de Pera Light, WLOTA 1902) between July 12-20th. Activity will be holiday style with some possible EAFF and SOTA/GMA activities. Operations will be on 40-6 meters using CW, SSB and the Digital modes (JT65, RTTY, PSK31, FT4, FT8). He will be using an Elecraft KX3 (QRP 5 watts) and ICOM IC-705 into dipole antenna. QSL via DK5ON, direct, by the Bureau, ClubLog's OQRS or LoTW. [OPDX Bulletin 1519 June 14 2021]
2.Конструкція RX антени: The K9AY Terminated Loop—A Compact, Directional Receiving Antenna - http://www.hard-core-dx.com/nordicdx/antenna/loop/k9ay/k9ay_orig.pdf
3. 3D Print: AZEL_Satellite Antenna Rotator – Tracker - https://www.thingiverse.com/thing:4664558
** 3D Morse Code Key - https://www.thingiverse.com/search?q=Morse+Code&type=things&sort=relevant
4. UY5XE: Из истории соревнований по СРТ - https://deltaclub.org.ua/bibliteka/history-cpt-competitions.html
5. Online SDR-приемники Киев и область. Отзывы, обсуждение, информация - https://433.com.ua/forum/index.php?PHPSESSID=fb39ebb0de5fbd03868a8ab7e10ed2e1&topic=15860.0
