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Quadrifilar Antenna to receive 137 MHz

Creation of a four-wire antenna to receive the 137 MHz signal from NOAA meteorological satellites
post 21 May 2023


Antenna for UHF VHF Links

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2m/70cm Koaxialantennen
2m / 70cm station antenna with a load capacity up to 100Watt self built

Groundplane antenna for 2 meters
Omnidirectional vhf anenna grounded to remove static 7.5 DBi Gain bandwiidth more the 2 MHz at 1.5 SWR

HALO 144 Mhz
Dipolo a 1/2 richiuso a forma di cerchio,con gli estremi distanziati fra loro,e alimentato tramite gamma match

HB9CV 6 elements
When setting the antenna play along the length of the coaxial 3 mm until obtaining an ideal ROS

Helix-Pro progettare le antenne elicoidali
Le antenne Helix hanno in vantaggio di avere una banda passante utile molto ampia con relativo guadagno

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Icom 706 Icom 7000 Icom 9700 Icom 7851 Kenwood TS-850 Yaesu FT 817 Yaesu FT 857 Yaesu FT100 Yaesu FT 1000mp
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6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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