13:57

Ladder Line and SWR

10:55

Balanced vs. Unbalanced Antenna

14:26

HAM RADIO: The Doublet Antenna & Ladderline

12:07

Goofy Antennas That Work

10:58

Fold the end of a Dipole Back - What's Happening?

7:15

Switchable Array in Two Directions - the Phased Vertical Antenna Array

21:22

G5RV vs ZS6BKW vs Fan Dipole vs DX-CC vs Trap Dipole

18:24

Recicle as baterias usadas! Como fazer uma máquina de solda simples com bateria de 1,5 V