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FT Meter Yaesu 897 e 857


Tale strumento viene commercializzato come opzional, e venduto a caro prezzo dalla LDG electronicUSA,prezzo spropositato visto la circuiteria
post 16 Jun 2024
FT Meter Yaesu 897 e 857

Swr Meter Links

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VSWR to return loss conversion
impedance is 50 ohms as well as output impedance

L.F. VSWR Meter
most useful accessories that I've made for my LF station

QRP SWR Meter
The measurement is based on the Wheatstone bridge

Arduino RF power & SWR meter
This sketch will readout RF power and SWR from any SWR bridge


Linear-loaded-short-dipole-21mhz

Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated