1. FX-4CR Transceiver - https://bg2fx.com/fx-4cr-transceiver
2. UY5XE: Про українських спортсменів з "Прийому та передачі радіограм" - http://uarl.org.ua/index.php/statti/1037-pro-ukrajinskikh-sportsmeniv-z-prijomu-ta-peredachi-radiogram
3. SatGazer- Track the satellites that orbit the earth (Mac Ham Radio) - https://www.machamradio.com/blog/2023/03/19/satgazer-track-the-satellites-that-orbit-the-earth/
4. End fed half wave antenna 40/30/20m - https://www.egloff.eu/index.php?option=com_content&view=article&id=214&Itemid=1733&lang=en
5. QRA locator map updated - https://www.egloff.eu/qralocator/
** K3NG Winkeyer - https://www.egloff.eu/index.php?option=com_content&view=article&id=272:k3ng-winkeyer&catid=26&Itemid=635&lang=en
1. Amazing One Watt SSB QRP From Poland to the USA (Встановлення контакту на 20 метрів від Польщі до США всього на 1 Вт!) - https://www.youtube.com/watch?v=0Kw9Q1xSTOE
2. IRC - історія виникнення та їх "кругообіг" - http://uarl.org.ua/index.php/statti/1034-irc-istoriya-vozniknoveniya-i-ikh-krugooborot
3. YAESU beam controller to suit RigExpert WTI-1 (та інші проекти VK5DJ) - https://www.vk5dj.com/yaesubeamrotate.html
4. WB8ERJ: My DIY Drive-On Antenna Mast For POTA Activations - https://mikestechblog.com/my-diy-drive-on-antenna-mast-for-pota-activations/
5. SV2AGW Apps for Dxers - https://www.sv2agw.com/ham/dx#qsl
1. JBOT – An Easy QRP linear amplifier - https://www.vu2ese.com/index.php/2020/06/19/jbot-an-easy-qrp-linear-amplifier/
2. DK5JI: Countries with CEPT Licence (2023-03-12) - https://files.darc.de/index.php/s/CKT38kZP6miK7xf
3. The United States Frequency Allocation Chart - https://www.beautifulpublicdata.com/the-united-states-radio-frequency-allocation-chart/
4. Список українських постачальників компонентів - https://docs.google.com/spreadsheets/d/1vEC8ZElSIXJTsE8_0axEp6kBmYmTfmfnDcni1pl_hKw/edit#gid=0
5. Compact 20m Yagi - http://www.iw5edi.com/ham-radio/5872/compact-20m-yagi
** Six Meter Yagi Antenna - http://www.iw5edi.com/ham-radio/5886/six-meter-yagi-antenna
1. The 'MELITTA Version II' : a compact 5 bands remote switchable BPF - https://www.qsl.net/on7eq/projects/melitta_v2.htm
2. KC9ON: CW Morse Products - https://kc9on.com/product-category/cw-morse-products/
** IK0YGJ: Zen and the art of radiotelegraphy - https://www.qsl.net/ik0ygj/enu/ZART_r20101008m.pdf
3. Microvert antenna calculator - https://lowreal.net/2013/microvert/
** Can Antenna Calculator - http://www.dk3red.homepage.t-online.de/en/s15_04.htm
4. DVSwitch Mobile (це програма PTT для Android для операторів радіоаматорів, яка дозволяє з’єднуватися з іншими радіоаматорами в мережі AllStarLink) - https://play.google.com/store/apps/details?id=org.dvswitch&hl=en_US&gl=US
5. Flrig v1.4.8 (Ham Radio Digital Modem Application) - https://sourceforge.net/projects/fldigi/files/flrig/
1. DK7IH: A “lean design” SSB-Transceiver for 14 MHz - https://dk7ih.de/a-lean-design-ssb-transceiver-for-14-mhz/
2. MicroVert Antennas - http://www.dk5ai.de/projects/microvert
3. 80/40m Vertical (+160M) - https://www.qsl.net/ei7ba/80&40mVertic.htm
** Antennae for the Low Bands..80 and 160m - https://www.qsl.net/ei7ba/low_band_antennae.htm
4. ITU International Morse Code Recommendation - https://www.itu.int/rec/R-REC-M.1677-1-200910-I/
5. UY1RA: Трансивер и SDR - https://gosh-radist.blogspot.com/2023/03/sdr.html?m=0
** Трансивер и SDR II - https://gosh-radist.blogspot.com/2023/03/sdr-ii.html?m=0
** Трансивер и SDR III - https://gosh-radist.blogspot.com/2023/03/sdr-iii.html?m=0
1. N2HTT’S XIEGU X5105 3D-printed frame - https://qrper.com/2023/03/n2htts-xiegu-x5105-3d-printed-frame/
2. (tr)uSDX now with a spectrum scope ((tr)uSDX тепер із спектром) - https://itshamradio.com/trusdx-now-with-a-spectrum-scope/
3. CW Key-to-Rig Switch Box - https://udel.edu/~mm/ham/keySwitch/
4. HF DXView Propagation Map - http://hf.dxview.org/
5. Диполь Гончаренка DL2KQ на 145 МГц з кабеля: виготовлення, та тестування - https://www.youtube.com/watch?v=aCOC-JH_Moc&t=1s
1. KC8AON''s QRP Projects: The Untenna - https://www.simplehamradioantennas.com/2023/03/kc8aons-qrp-projects-untenna.html
2. CW Key-to-Rig Switch Box - https://udel.edu/~mm/ham/keySwitch/
3. QSO Today Virtual Ham Expo (March 25-26, 2023) - https://www.qsotodayhamexpo.com/
4. URE WebCluster - https://webcluster.ure.es/
5. Походная антенна на 7 - 28 МГц - https://www.youtube.com/watch?v=bek3nYQzfPo
