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Antenna 2m beam 9 element


Antenna 2m beam 9 element

Antenna 2m beam 9 element VHF Yagi

post 27 Sep 2024


Antenna for UHF VHF Links

150



Antenna yagi-5-el-144-mhz
Gli elementi devono essere isolati dal boom, pertanto il boom deve essere di un materiale isolante, l'adattamento di impedenza ai 50 Ohm ho usato un balun 4:1

Antenna tribanda 6 - 2 metri e 70 cm
Questo tipo di antenna, e' tribanda operante nelle gamme dei 6 metri, 2 metri e 70 cm

Antennas biband 144mhz 440mhz Collinear
I started with 3/'' and 1/2'' fiberglass tubing from Max-Gain and 0.79'' and 0.59'' aluminum antenna stock from MFJ

Antenne HB9CV 2m 144Mhz
A gain of about 15 dB and lateral dips from -30 to -40 dB from the front.In VHF, the size of a 3-wave half-wave antenna is 1 meter wide by 60 centimeters long against 30 centimeters long for HB9CV

Antenne Speciali HF VHF UHF
Un dipolo VHF 145 MHz invisibile abbinato ad una radio palmare


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