Antenna Matching Explained: Resistance, Reactance, and SWR

Do You Really Understand How Your Antenna Works?

The TRUTH About High Feedpoint Reactance

IARU Administrative Council Meets

The 64th meeting of the IARU Administrative Council (AC) was held in person September 24, 2026 in Vienna, Austria following…

Timothy Ellam, VE6SH/G4HUA, Re-elected as President, Thomas Wrede, DF2OO, elected as Vice President of International Amateur Radio Union

IARU member societies have ratified the nomination of Tim Ellam, VE6SH/G4HUA, and Thomas Wrede, DF2OO, for President and Vice President,…

World Amateur Radio Day April 18, 2024

World Amateur Radio Day is the day when IARU Member Societies can show our capabilities to the public and enjoy…

Ham Radio Daily Contest Brief – November 11, 2026

Today Scheduled contests overlapping November 11, 2026 in Pacific time are listed below. Event times remain in UTC/Zulu. Phone/SSB RSGB…

Ham Radio Daily Contest Brief – November 10, 2026

Today Scheduled contests overlapping November 10, 2026 in Pacific time are listed below. Event times remain in UTC/Zulu. Phone/SSB Phone…

Ham Radio Daily Contest Brief – November 9, 2026

Today Scheduled contests overlapping November 9, 2026 in Pacific time are listed below. Event times remain in UTC/Zulu. Phone/SSB FIRAC…

CrowPanel ESP32-P4 v1.2 Application DemoProgrammable Process HMI

F4HWV VIEWER M5Stack Tab5 – F4HWN

Radioddity

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Radio Waves: Wartime Radio Hub Linked to Scharnhorst Up For Sale, Thousands protest in Prague, and CAB Joins Radio Ready Auto Coalition

Radio Waves: Stories Making Waves in the World of Radio Welcome to the SWLing Post’s Radio Waves, a collection of…

Carlos’ Illustrated Radio Listening Report and Recording of Rádio 10 (October 28, 2026)

Many thanks to SWLing Post contributor and noted political cartoonist Carlos Latuff, who shares the following illustrated radio listening report. Carlos notes: Rádio…

Carlos’ Illustrated Radio Listening Report and Recording of NHK (October 27, 2026)

Many thanks to SWLing Post contributor and noted political cartoonist Carlos Latuff, who shares the following illustrated radio listening report. Carlos notes: “Local…

Roster Announcement 10-10-26

POTA Lake Perris I would like to thank everyone who came out and participated in our POTA Lake Perris event.…

My Ruby 122GHz Portable Rover at Ocean overlook today in Palos Verdes Estates de Mike WB6DJI 🔥

Click to see video https://youtu.be/fzpoUqti0ew?is=V4bcjulASqu5oPmv

Desert RATS

Front Page - Desert RATS Desert RATS Front Page Welcome to the Home of the Desert RATS     Welcome…

Does Your "90 Days Of Preparations" Include Radio Communications?

How Long Will Your Fridge Last in a Blackout?

Off-Grid Comms Just Got Harder: RAK 1W and the New FCC Rules

K0NR BKG114

There I was, minding my own business at Field Day, when I ended up in a conversation with The Matts…

Colorado QSO Party

Here is a Press Release concerning the Colorado QSO Party. Like it says below, this is our chance to Activate…

On The Trail

Our journey on the Lewis and Clark National Historical Trail started at the Gateway Arch National Park in St Louis.…

Switch Your Radio to CB Mode: Jumper & Keypress Guide #shorts

RV Tank Cleaning: Easy Liquified Hack for Fresh Smells! #shorts

Ham Radio Youth Insights—How to Prep for Your First Multi-Op Contest

With the 2026 CQ World Wide DX Contest SSB completed and the CQ WW DX Contest CW coming up soon…

ANS-256 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-256 September 13, 2026 In this edition: * Frank Hoonhaut, KJ7DZ, Sweeps AMSAT Award Ladder * AMSAT…

ANS-249 AMSAT News Service Weekly Bulletins

AMSAT News Service ANS-249 September 6, 2026 In this edition: * AMSAT Board Election Voting Deadline Approaches * ARISS Announces…

ANS-242 AMSAT News Service Weekly Bulletins

August 30,2026 In this edition: The AMSAT(R) News Service bulletins are a free, weekly news and information service of AMSAT,…

SpaceX Thanks Don Harrison for His Service on the Board

SPACEX SECURES $40 BILLION IN THE LARGEST GPU FINANCING EVER

SpaceX Reports Third Quarter 2026 Results