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SWR meter


The SWR meter or VSWR voltage standing wave ratio meter measures the standing wave ratio (SWR) in a transmission line
post 24 Dec 2021
SWR meter

Swr Meter Links

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A Mini Primer on SWR Measurements
Every radio ham needs an SWR meter. Even though comercial rigs have builtin digital readout SWR meters

A Small Digital QRP SWR Meter with OLED Display
Most accept that transmitters operate best when the power output is connected to a load which presents an SWR below 2:1. For example, 100 ohms, 25 ohms

Antenna Reflection and SWR Calculator
VSWR return loss and reflection coefficient, which are different ways to express how well a load is matched to a source

Arduino RF power & SWR meter
my primary interest was for vhf/uhf/shf, i have foreseen positions for 6m, 4m, 2m, 70 cm, 23cm and 13cm bands - but you can use the arduino readout on hf as well

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 80 m| 160 m| 136 khz
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