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Coupleurs for 2-4-6 antennas


Coupleurs antennas for 2-4-6

The 1/4 wave of adaptation is calculated = Zo = root of Z1 x Z2 i.e. Zo = root of 50 x 100 = 70.7 ohm , D / d = 3.1 on the abacus formula corrected for the square section example: D = 20 mm and d = 6.5 mm

post 23 Sep 2024


Antenna Duplex duplexer Links

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SDR Diplexer
2 antenne al mio ricevitore SDR Sdrplay RSP1A mi ha fatto progettare il seguente diplexer

Splitter per HF
Se fornisco a due ricevitori il segnale captato da un’antenna attraverso un coassiale a 50 Ohm per tramite di un connettore a T, capiteranno delle cose strane, spesso prevedibili

Splitter Distribution of a HF signal on two receivers, DH1TW
Lately I needed a 3dB splitter for a HF 1-30MHz measurement project. Instead of buying me a splitter, I decided to build it on my own


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