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Groundplane antenna for 2 meters
Omnidirectional vhf grounded to remove static, 7.5dBi gain, bandwidth more then 2 MHz t 1.5 SWR
post 17 Feb 2024
Antenna for UHF VHF Links →
Two Versions of stacked
The picture left shows shows the 4x5-Element-25-Ohm-Yagis with 2-m-boom and a stacking distance of 2,30 m. Two Yagis are connected together with Aircell-5 transformations lines
Yagi homemade for 2m
Here I would like to show how you can build a good Yagiantenne yourself relatively easily and cheaply
Yagi 6 elementi 144MHz portatile
L'antenna dovra' ovviamente essere leggera, facilmente montabile e smontabile
Yagi 6 elementi per i 144 - 145 MHz
La costruzione mi ha portato via alcune sere, lavorando un'ora o due per sera
Yagi vhf 9 element
All element are connect to the directly NOT isolated from the boom
155
The picture left shows shows the 4x5-Element-25-Ohm-Yagis with 2-m-boom and a stacking distance of 2,30 m. Two Yagis are connected together with Aircell-5 transformations lines
Here I would like to show how you can build a good Yagiantenne yourself relatively easily and cheaply
L'antenna dovra' ovviamente essere leggera, facilmente montabile e smontabile
La costruzione mi ha portato via alcune sere, lavorando un'ora o due per sera
All element are connect to the directly NOT isolated from the boom
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane
Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays
Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening factor