Видео с ютуба 21 Mhz Antenna

Stacker 2x11el 12m/18m vs GB37 at 21 MHz (15m)

Stacker 2x11el 12m/18m vs GB37 at 21 MHz (15m)
Membuat Antena HF Rotary Dipole 15m band Sederhana Simple 21mhz

Membuat Antena HF Rotary Dipole 15m band Sederhana Simple 21mhz
5V7P expedition on 21 MHz - comparison of antennas: hexbeam and end fed. SDRPlay with SDRUno.

5V7P expedition on 21 MHz - comparison of antennas: hexbeam and end fed. SDRPlay with SDRUno.
21 MHz Monobander antenna home made - PA6NB

21 MHz Monobander antenna home made - PA6NB
Antenna miniWhip 21 MHz

Antenna miniWhip 21 MHz
Foundation guide to the amateur radio fifteen metre (21 MHz) band

Foundation guide to the amateur radio fifteen metre (21 MHz) band
Learning The HF Ham Bands: 15 Meters/21MHZ, Introduction To HF

Learning The HF Ham Bands: 15 Meters/21MHZ, Introduction To HF
21 MHz - Amateur radio contact between IX1CKN and JH1GEX

21 MHz - Amateur radio contact between IX1CKN and JH1GEX
15m 21MHz 4 elements Yagi Antenna PA21-4-6 testing

15m 21MHz 4 elements Yagi Antenna PA21-4-6 testing
Соберите антенну длиной 2 м (146 МГц) всего за 5 долларов

Соберите антенну длиной 2 м (146 МГц) всего за 5 долларов
New Mobile Antenna for 21MHZ

New Mobile Antenna for 21MHZ
PI4ZUT - short QSO 21 MHz indoor antenna 15 W

PI4ZUT - short QSO 21 MHz indoor antenna 15 W
TM23RBY - short QSO 21 MHz indoor antenna 15 W

TM23RBY - short QSO 21 MHz indoor antenna 15 W
Shortwave tutorial 21 mhz explained

Shortwave tutorial 21 mhz explained
Идеальная ли это портативная КВ-антенна? Коротковолновый диполь JNCRADIO MC-599

Идеальная ли это портативная КВ-антенна? Коротковолновый диполь JNCRADIO MC-599
LFA 24 MHz - OWA 21 Mhz

LFA 24 MHz - OWA 21 Mhz
TWO-BANDER ANTENNA INSTALLATION 5+6 (14/21 MHz)

TWO-BANDER ANTENNA INSTALLATION 5+6 (14/21 MHz)
7mhz Attic MAGLOOP antenna ATU tuned onto 21mhz

7mhz Attic MAGLOOP antenna ATU tuned onto 21mhz
Super Cheap Single Pole Beam for 21 MHz

Super Cheap Single Pole Beam for 21 MHz
DELTA LOOP 21 MHZ by PU2OKE

DELTA LOOP 21 MHZ by PU2OKE