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Antenna collineare cavo coassiale RG.213


Antenna collineare cavo coassiale RG.213

Realizzata tutta in cavo coassiale RG.213 o altro cavo, tranne lo stilo

post 27 Sep 2024


Antenna for UHF VHF Links

150



Triband Yagi for 6 m, 4 m and 2 m
Developed with the software EZNEC +5 and has only one feeding point of 50 Ω and a boomlength of 1,25 m

2M 144MHz yagis
Follow the instructions carefully to avoid making mistakes

VHF antenna construction
In making a folded dipole element I used a tube bender, apparently the bending jobs must be done once without failure

Vhf magnetic loop
A magnetic loop has very small bandwidth butunsensitive to man made noise

VHF/UHF Wideband Portable Dipole for the FT-817
A dipole has about 3dB gain over a quartre wave antenna, is why my preference went to a simple dipole


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