HF BBS Access with the (tr)uSDX - Demo
19:27
A Antena HF Invisível
6:18
Meu novo rádio EDC para 2025
22:49
Home Made Quansheng UV-K5 Desktop Transceiver
11:50
Practical COMSEC Practices: Part 1 - Series Introduction
7:51
Repairing slow updates on a HP 8591A Spectrum Analyzer
39:26
Inmarsat overview (with ADS-C plane tracking)
12:12
Gravidade de rotação comparada
20:30