1. Трансівер DoubleFox - http://www.qrzua.club/viewtopic.php?t=69
** TRX DoubleFox by UR5FFR - https://www.youtube.com/watch?v=PY-XnpfXUdk&t=1s
2. Трансивер Udai SDR - http://www.qrzua.club/viewtopic.php?t=44
3. UK Meteor Beacon Project presentation released (Опубліковано презентацію UK Meteor Beacon Project) - https://rsgb.org/main/blog/news/gb2rs/headlines/2023/02/03/the-uk-meteor-beacon-project-convention-2022-presentation-released/
** RSGB 2022 Convention presentation - The UK Meteor Beacon Project - https://www.youtube.com/watch?v=CF37xoCxoJo
4. Are ATUs Necessary for a Field Radio Kit? (Чи потрібні ATU для польового радіокомплекту?) - https://www.onallbands.com/are-atus-necessary-for-a-field-radio-kit/
5. Free Awards for Radio Amateurs & Swl (Issued by IK3GER) - https://www.ik3ger.it/
