54:17

Visita al Radiotelescopio de Yebes

21:56

#0494 Bobina china HF inductancia variable, para antena multibanda vertical TZT, PAC 12, JPC, XQ2CG

19:11

#0310 Bobina HF movil 40m, medicion inductancia. Antena argentina, construccion. Yedro Emac, XQ2CG

3:04

clear air bag with fs32 ic , found jtag pins , program by cg100x

16:21

#A127 Prueba de dos antenas para uso portable o móvil: Antena Komunica y Antena MFJ 1640T

28:58

flower pot Construcción un poco mas pro

24:19

Building a Short 40m Antenna With Coil and AT-271 Whip.

15:57

A TREASURE FOR HAMRADIO! EFFICIENT AND ECONOMIC VERTICAL ANTENNA FROM ALIEXPRESS