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900 MHZ Quagi beam


900 MHZ Quagi beam

The quad elements were made from #11 AWG copper rewind wire and the directors were made from .063 diameter brass welding rod

post 19 Aug 2024


Antenna for UHF VHF Links

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A 70cm Big Wheel Antenna
This is a 70cm big wheel antenna which is needed for our beacon

AIS Antenna
The AIS signals are sent on two frequencies near 162-MHz, the upper end of the VHF Marine Band. Most commercially made antennas for the VHF Marine Band are omnidirectional verticals, and their gain is limited

Antenna Yagi 7 elements 403 Mhz
This antenna, designed with the help of Yagi-Calculator, a small and very practical program, was created in 4h30

Antenna for 2mt Yagi vhf 9 element
Antenna yagi 9 element Band 144-146 MHz gain 11 dB

Antenna Log-periodica Dual Band
The antenna belongs to the category of directional and broadband antennas


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic