Waveguide

Updated January 2026

For an introduction to waveguides, I suggest the newly updated section 20.7 of the 2021 or later ARRL Handbook for Radio Communications.

INDEX

New Sectoral Horn Antennas for Microwave Beacons

New Waveguide Matching Plates Updated January 2026

Waveguide is just Metal

Rectangular Waveguide to Coax Transitions - 2.3 to 24 GHz

Spreadsheet - Rectangular Waveguide to Coax Transitions

Circular Waveguide and Coax Transitions

Spreadsheet - Circular Waveguide to Coax Transitions

Waveguide Cross-guide Directional Couplers

OE9PMJ Microwave Filter

Waveguide Filter articles by W1GHZ

Waveguide size table from WA1MBA


Sectoral Horn Antennas for Microwave Beacons
New - From Microwave Update 2023
Horn with transitions
Sectoral Horn for 24 or 47 GHz
with Waveguide Transitions for WR-42 (24 GHz) or WR-19 (47 GHz)

47GHZ beacon
Beacon for 47 GHz with Sectoral Horn and WA1MBA 47 GHz Quadrupler
from Microwave Update 2023

Sectoral Horns and Waveguide Transitions are available

Waveguide is just Metal
New - From Microwave Update 2018

 Waveguide is just Metal

Go back to INDEX

Waveguide Cross-Guide Directional Couplers
From Microwave Update 2019

 Waveguide Cross-Guide Directional Couplers

Go back to INDEX

New - From Microwave Update 2017

 Understanding the OE9PMJ Microwave Filter
For 24, 47, and 78 Gz

Go back to INDEX

Waveguide Matching Plates
From Microwave Update 2023

 Waveguide Matching Plates - between waveguide sizes
and from rectangular to circular waveguide
Updated 2026 for smaller waveguides

Go back to INDEX

Return to W1GHZ Home Page