Amateur Radio licensing update during US government shutdown
ARRL Volunteer Examiners should continue giving exam sessions.
ARRL

Review: futureGEO Workshop 2025 in Bochum
Setting the course for the next geostationary Amateur Radio satellite.
AMSAT-DL

ISS Slow Scan TV October 3-9
ARISS Series 29 comprises 6 images to celebrate the launch of the first artificial Earth satellite in 1957.
AMSAT-UK

MicroLink EchoLink node
The smallest, cheapest way to put a radio onto the EchoLink network.
KC1FSZ

Construction of the Simple Low Profile Multiband POTA antenna
Although the antenna is described as “simple,” that term relates more to how it is deployed and its appearance than its actual construction.
Ham Radio Outside The Box

7,000 POTA QSOs at one park
This is no small feat for me.
WK4DS

Direction finding with a KrakenSDR
KrakenSDR is a 5-channel coherent RTL-SDR based software defined radio system.
RTL-SDR

Install a Ham Radio window feed-through
No-drill step-by-step.
Ham Radio Prep

Plotting RF spectrum with the LinHT
The display is so colorful, why not sprinkle it with a bit of DSP maths, generating a nice plot for us to enjoy?
M17 Project

Hurricane Helene: One year later
Amateur Radio became our family’s superpower.
K4SWL

Video

The 44Net origin story
We look back at the beginnings of 44Net, where pioneers share their contributions to putting the Internet over the airwaves.
ARDC

Easy packet radio interface
Digital interface lets you interface your dual-band rig to a Raspberry Pi or PC.
KM6LYW

ARRL – Pass The Bill
While the ARRL is pushing for this bill, I have not seen much written about what is actually IN the bill.
K0NR

MORE Project
The MORE Project is providing free access to US amateur radio courses and licensing for youth aged 12-17.
MORE Project

Radio Shack rebirth may have gone awry in alleged Ponzi-like scheme
The brand was supposed to return to new heights online only to fall afoul of the Securities and Exchange Commission.
Hackaday

Urban POTA in downtown San Francisco
So many buildings, so many RF obstacles, and so much fun!
Copasetic Flow

The RSGB LoRa Balloon Challenge 2025
Checking the results showed I’d only got one packet to it, but one was enough!
Ian Renton

AM radio’s death has been grossly exaggerated
The gloomiest headlines about the medium are not justified.
RadioWorld

Novel Amateur Radio drill aids in emergency communications
The U.S. Department of Energy Office of Environmental Management Paducah Site has incorporated Amateur Radio into a drill for its emergency management program.
U.S. Department of Energy

Amateur Radio and Morse Code outside of the shack
How Morse Code is being used by major brands.
OnAllBands

Being on time on the Mac
A super accurate clock is critical for digital modes as we’re dealing in milliseconds and not seconds and minutes.
Andrew Woodward

Improving SW reception with a simple ground wire
A very simple lifehack for improving reception on a regular radio broadcast receiver.
SWLing Post

Video

Half-square antenna: 3.6dBi and low takeoff angle
This simple full-wavelength wire antenna has some impressive features: about 3.6 dBi of gain broadside and a low takeoff angle, making it excellent for DX.
K5OHY

I was coiling cables wrong for years
In this video I show the easy way to avoid tangles, knots, and kinks when you’re coiling cables.
Ham Radio DX

DXing at dawn
DXing from West Mersea Essex.
Ham Radio and Kayaking with 2E0WMG

ARRL launches nationwide grassroots campaign to pass Amateur Radio Emergency Preparedness Act
ARRL has launched a nationwide grassroots campaign aimed at securing the passage of federal legislation that would grant Amateur Radio Operators the same rights to install antennas on their property as those enjoyed by users of TV antennas, wireless internet, and flagpoles.
ARRL

Join ARDC’s 2026 Volunteer Team
We’re doing something good for the community and helping groups around the world.
ARDC

IP400 Project publishes roadmap
A design for Next Generation Node Hardware II describes an all-in-one transceiver unit made up of node hardware, a power amplifier, and 9dB gain antenna.
ADRCS

Real Time QSO Manager
Users can see who’s available on all bands and all modes simultaneously.
QRZ

Defending Amateur Radio spectrum: The AST SpaceMobile battle continues
Partial victory in 430-440 MHz band defense.
Open Research Institute

EiffelTenna
A bespoke portable HF antenna is inexpensive and works multiple bands.
K4FMH

Hurricane Helene taught me why HOA antenna bans must end
Please take 30 seconds to help.
QRPer

How to set up your own remote station
An inexpensive way you can control your station from a web browser on your home network.
Ham Radio Hacks

The practicality of solar powered Meshtastic
It’s probable that like us you’ve toyed with the idea of running one from a solar panel.
Hackaday

FCC issues near-million dollar fine against New Jersey radio pirate
Operator has 30 days to pay up.
RadioWorld

Video

Installing FreeDV on Linux
A walk-through of downloading FreeDV and doing the initial setup including audio, rig control, and station identification.
Peter Marks

Meshtastic + Drone
Pushing Meshtastic to the limit, 25 mile test with Spec5 Copilot.
KM4ACK

CB radio operators jammed petrol pumps to get free fuel
By transmitting a strong RF signal near the pump, they could cause the electronic counters on both the pump and the attendant’s console to slow dramatically.
Ringway Manchester

Open letter to UN Secretary-General António Guterres about 4U1UN: A most wanted entity’s history
4U1UN should be a beacon again.
K3LOE

Phone contest phonetics
Inventing cute phonetics may be amusing, just don’t try it in a contest if you want a good rate.
Pattern and Match

HamXposition Highlights
Saturday was the big day. HamXposition was buzzing with energy, and I was impressed by the number of exhibitors.
QRPer

18 clubs to activate Erie Canal for Parks on the Air
Hams will activate the Erie Canal September 16-25 to celebrate the canal’s 200th anniversary.
Amateur Radio Daily

Satellites without the dish
An 8 turn helix that can be paired with a ground plane to make something that should have useful gain for receiving the geostationary Inmarsat signals with sufficient SNR.
ElMarko says things

ARRL Lab helps Radio Amateurs avoid interfering with US Space Force radar
The ARRL Lab supports the US Space Force’s Phased Array Warning System (PAVE PAWS) early warning radar installations which scan the skies for incoming missiles and space junk.
ARRL

Optimizing VLF antennas
Thanks to software-defined radio, you no longer need huge coils. However, you still need a suitable antenna.
Hackaday

IC-7300MK2: Why a 0.7 A receive draw actually matters off-grid
Its reduced current draw finally makes this legendary HF rig off-grid friendly.
Off Grid Ham

Video

QRP Parks On The Air with the Icom IC-705 + POTA Performer
At Maumee Bay State Park (US-1976), I run a low power POTA activation with my Icom IC-705 and my homemade antenna designed by KJ6ER: the POTA PERformer.
Critical Frequency

Ham Radio without the FCC?
What really happens when you push the FCC too far?
Ham Radio Gizmos

Create keyboard-to-keyboard radio chat rooms
AX.25 radio networking is underutilized in the information age. There’s no reason we can’t create texting/chatroom environments just like we have on our phones and PC’s.
KM6LYW

VK3SRC and VK3CKY talking on FreeDV RADEV1
A few minutes of a typical FreeDV RADEV1 contact on 40m.
Peter Marks

Icom to release updated IC-7300 MK2 and ID-5200
The Icom ID-5200 is a successor to the popular Icom ID-5100.
GigaParts

Build a miniature hotspot for M17
This may be one of the simplest hotspot builds ever. Works with D-STAR, YSF, M17, DMR, P25, NXDN, and POCSAG.
The Random Wire

QuadNet multi-mode digital network
Supports DMR, D-Star, Yaesu System Fusion/C4FM, and M17.
QuadNet

How To get precise time outside your shack
Often when I decide to do POTA, I just grab my gear and go forgetting to sync my laptop’s time. When I get to the park, my system clock can be 5-30 seconds off which means I can’t do FT8.
Ham Radio Hacks

Progress in the revolution: Sunspot cycle forecast accuracy at Cycle 25 peak
Our goal has been to determine if there is Kuhnian movement (Kuhn 1962) toward a revolution in the long-standing paradigm for the sunspot cycle at the midpoint of Cycle 25.
Dr. Scott McIntosh

My first ever RTTY contact
In February 1984 I borrowed a Creed 444 teleprinter.
QSO365

Installing a permanent remote HF station in the Atlantic Ocean
A structure standing in the middle of the Atlantic Ocean in fifty feet of water on Frying Pan Shoals, 32 miles off the coast of Southport, North Carolina, in international waters.
OnAllBands

HackTVLive
A Go application that captures live video from your webcam and transmits it as an NTSC analog television signal using a HackRF SDR device.
Sarah Rose

The mysterious shortwave radio station stoking US-Russia nuclear fears
A popular shortwave Russian radio station dubbed UVB-76 has been an enigma for decades.
WIRED

TAP
A Morse alternative mode for the Ham, with no need for training.
SV3ORA

Video

T41-EP Open Source DIY SDR HF radio
The T41-EP is an Open Source, 20W, 7-band HF CW/SSB software defined transceiver designed as an experimenter’s platform.
K5YVY

Interview with ARRL CEO David Minster NA2AA
A discussion about the most recent ARRL board meeting as well as an update on the Huntsville Hamfest.
DX Mentor

Morse Code on 2m and microwave?
Join Di KO6BTM and Ormoo the SOTA Cat on an easy SOTA peak.
KO6BTM

Build a radio to receive pictures from space like it’s 1994
Everything I need to receive weather satellite pictures using software, tools, and components that (probably) would’ve been available to an amateur in 1994.
Old Computers Sucked

Apple Ham Radio Weekly
Controlling your Baofeng radio from your Apple device, the latest software updates, going digital with your Mac and learning about Apple Co-founder Steve Wozniak and his Ham Radio roots.
Andrew Woodward

What’s new at Digital Library of Amateur Radio & Communications — August 2025
DLARC added two late-1970s documents from the Defense Advanced Research Projects Agency, documents that had never been available to the public before.
Zero Retries

Radio Catalog
An open-source project supporting the preservation and modernization of long-standing Amateur Radio software projects.
Radio Catalog

Demo LinHT M17 decode
Transmitting a reference M17 RF signal with the recently updated gr-m17.
M17 Project

ARRL Awards
ARRL honors the work of Amateur Radio operators who grow the hobby by advancing technology used within, and the operating culture, of the Amateur Radio Service.
ARRL

A chat about FreeDV
Some illustrations of the use of the FreeDV app.
marxy’s musing on technology

Historical Sites On The Air
Join our community of Canadian Ham Radio operators and history enthusiasts as we activate iconic historic sites.
Historical Sites On The Air

A visit to “Shine 800 AM”
The site is said to have the largest AM transmitter in the Western Hemisphere. Seeing this high-power station was worth the effort.
Radio World

AllStarLink is definitely worth a donation of time or treasure
Four years ago, approximately 2,000 nodes were logged into our servers at any one time. We are now seeing more than 10,000 nodes.
KB6NU

Video

The biggest Ham Radio event in the south
Huntsville Hamfest 2025 walkthrough.
KM4ACK

The coil-making process
A top Japanese manufacturer driven by artisan spirit.
ProsessX

Doozy for Windows and Android
Make QSO’s on DSTAR without the need for a hotspot.
PA7LIM

DIY Guide to setting up a GOES-R satellite receiver
High-resolution weather imagery and atmospheric data can be received by Amateur Radio operators and weather enthusiasts using relatively affordable equipment.
DXR Electronics

Go to church on Sept 13th 2025… and bring an HF radio!
Here in the U.S., Churches and Chapels on the Air is a new concept.
K4FMH

A Ham Radio license makes me feel safer as someone with hemophilia
Having reliable communication and connection puts my mind at ease.
Hemophilia News Today

Meshtastic at Open Sauce 2025
If someone set up a Ham Radio testing booth, it could get some action at Open Sauce next year.
Zero Retries

Decoding distant signals over the web?
One of the many challenges associated with being a Radio Amateur is being able to listen to weak signals.
Foundations of Amateur Radio

Setting up an AudioCodes 440HD phone with Hams Over IP
The first step is to ensure the 440HD is running the latest available firmware.
K4HCK

What’s wrong with ARDC?
I’m not being quiet about it, and neither should you.
Bruce Perens

What should you use to clean screens on your Amateur Radio transceivers?
A customer reported that he applied typical household window cleaner to the display of his Yaesu FTDX10 resulting in the touchscreen no longer working.
OnAllBands

RadioSport SDR
Portable receiver software for RTL-SDR.
RTL-SDR

Video

Turn any Android device into a full VHF radio
Version 2 of the fabulous KV4P Android controlled VHF transceiver.
Tech Minds

Distress: The history of S.O.S
Its meaning has gone beyond the code from which it was created.
The History Guy

Receiving NOAA-15 one last time
The last of the Polar Operation Environment Satellites, NOAA 15 and 19, are being shut down this week.
Save it for Parts