00:00 Introduction
00:40 Transformer core sizes
01:58 SWR measurement over artificial Load
02:33 Insertion loss measurement
03:14 Insertion Loss under power
03:38 Thermal cam under power
05:14 Insertion loss with NanoVNA
06:02 discussing results SWR
08:16 discussion NanoVNA insertion loss results
09:12 Power loss in broadband transfomer
10:25 discussing measurement under Power
11:07 comparison NanoVNA / Power measurement
12:20 core heating
12:35 conclusions
15:34 wrap up / outro

Link to Jan´s GitHub:
https://github.com/DG1JAN/UniBalun