Vacuum tube-making on the comeback in the US
Production will resume of the single-ended triode tube known as the 300B.
ICQ Podcast

The Morse Code revival
How dots and dashes are being embraced by a new generation.
National World

2023 Hamvention Awards
Club of the Year (W2ZQ), Technical Achievement (WA3FET), and Amateur of the Year (DM9EE).
Hamvention

A coax cable horror story
Two RG316 cables out of 3 from AliExpress had an attenuation of more than 4dB.
QRPer

Omniangle omnidirectional antennas
Stacked for more fun.
K5ND

QRZ.com celebrates 30 years
New operating award celebrates 3 decades of service.
QRZ.com

Special event: K4A 9-11 Still in Our Hearts and Mind
The Alabama Contest Group will honor the victims of 9-11 September 8 through September 12.
Alabama Contest Group

Online Ham Radio bootcamp
Includes a series of demonstrations and tutorials designed to help new Hams.
Nashua Area Radio Society

Bob’s bespoke rack of radios
You simply cannot have enough radios – a principle I learned a long time ago.
SWLing Post

Video

AREDN basics and tutorial
AREDN is a fast, IP-based wireless mesh network using cheap commercial components.
HB9BLA

POTA setup and activation
From K-0661, Ocean Springs, MS with a live duck, Mochi.
Ham and Quackers

How photographs were transmitted by wire
Dramatization of how photographs are transmitted by wire, an exciting new technology in the 1930s.
Charlie Dean Archives

Meteor scatter propagation: How it works & getting on the air
Harnessing meteors for your VHF QSOs.
K5ND

Your radio’s filters may be wider than you think
AM bandwidth confusion: IF filters today vs. yesterday.
SWLing Post

GNU Radio Tutorials
GNU Radio can be used with readily-available low-cost external RF hardware to create software-defined radios.
GNU Radio

FCC warns Portland church to shut down pirate FM station
Because Eastside Free Methodist Church owns the building, it is potentially on the hook for enforcement action.
Inside Radio

MicroHams Digital Conference
This conference is presented each year to inspire, inform, and educate about the leading edge of digital communications.
MicroHams

A beautiful day for SOTA
I woke up that morning, drank a cup of coffee, looked outside, and knew what would be in store the day: a SOTA activation!
QRPer

It’s time for some Pi
Raspberry Pi is all new to me.
VE9KK

Wearable Morse Code trainer
WristMorse communicator can also act as a Bluetooth keyboard.
Hackaday

A surprise new field portable antenna
Some ideas worked, others failed, but now I believe I have found the ideal candidate.
Ham Radio Outside the Box

Video

Radio communication for overlanding
Considerations when traveling to remote locations.
VK3FUR

Ham and Quackers: Episode 1
Building a way for people to connect within the Ham Radio community.
Ham and Quackers

Easy to build vertical no-radial HF antenna
Multiband HF antenna for 20 through 10 meters.
K4OGO

2 meter FM via airplane
Flight from Tacoma Narrows Airport over Olympic National Park.
SOG Pilot

The RFNM: A next generation SDR
10 MHz to 7200 MHz tuning range, 12-Bit ADCs and up to 612 MHz bandwidth.
RTL-SDR.com

DIY portable ops truck desk
The desk is comfortable to use and the truck can be driven when the desk is installed.
KK4Z

GridTracker receives 2023 Amateur Radio Software Award
The award recognizes software projects that enhance Amateur Radio.
ARSA

NTIA identifying spectrum to be repurposed
Agency is seeking public input on identifying new spectrum bands for potential repurposing.
CQ Newsroom

Ofcom hints at license changes
“We will consult on proposals to simplify our licensing framework for amateur radio licensing.”
Essex Ham

Tuning a Mag Loop via smartphone
You normally have an adjustment capacitor to tune the antenna to different frequencies.
Hackaday

Voice of America Museum of Broadcasting open additional hours for Hamvention
New exhibits include a dedicated room for Amateur Radio.
VOA Museum

Get in shape for Hamvention
Start walking a little each day and be in better shape for walking Hamvention.
KB6NU

Video

How to wind a toroid inductor
The real trick is often how to hold the toroid core.
W2AEW

How I’m logging my Parks on the Air (POTA) contacts
Getting back to basics by looking at key parts of a Parks on the Air activation.
KB9VBR Antennas

Build a DIY Dipole Antenna
A 10m dipole without a balun or commercial center insulator.
RADIO STATION AD0IM

5G to 6G cellular technology
The evolution of cellular technology in relation to First Net & ARES.
WB7OML

Ria Jairam steps down from ARRL board, joins ARDC board [PDF]
“Ria is a powerful voice in amateur radio…”
ARDC

HamTestOnline to shut down
Owner, John, W1AI, will shut down the site on June 30th unless a buyer can be found.
W2LJ

New digital mode: FreeData
A new digital mode that uses the OFDM modem code from FreeDV for having keyboard to keyboard chats.
marxys musing on technology

Code execution exploit via APRS
An exploit targeting WinAPRS and WIndows XP allows code execution on remote PC.
Coalfire

How times have changed for portable ops
In the 60s, you wouldn’t operate for long off a battery with the amperage needed to warm all those tubes.
QRPer

Benefits of the Yaesu XF-130CN 300 Hz Crystal Roofing Filter
From the video you can hear that there is a very small demonstrable difference in strong signal rejection.
Ham Radio QRP

Delta loopy ideas
A delta loop has multiple possible feedpoints and the choice has to be made very carefully.
Ham Radio Outside the Box

World Amateur Radio Day is April 18
The day is being celebrated with a 2-week operating event occurring April 11 – 25.
ARRL

Military reliance on HF on the rise?
HF, unlike landline connections and submarine cables, cannot be blocked.
The SWLing Post

LIFEPO4 batteries for portable operations
For the same capacity they are more than half the weight of SLA batteries.
VE3IPS

Video

1944 soldering iron training film
1944 US Office of Education black-and-white training film.
PeriscopeFilm

Homemade spy transmitter
Designing a small spy transmitter using two tubes.
Helge Fykse

PCB Yagi antenna for 2.4GHz
WA5VJB PCB based antenna tested.
IMSAI

Austria restricts 23cm band operation
Austria has become the latest country to impose restrictions on Amateur Radio operation in the 23 cm band.
AMSAT UK

Amateur Radio Direction Finding
The sport of finding radio transmitters on foot. ARDF competitors use only topographic maps and compasses for navigation.
ARDF Region 2

Dodging the CME Apocalypse
What happened on March 12 was similar to the 1859 outburst – only worse.
American Thinker

WSJT-X and the Q65 mode for 6 meters and up
It works over long distances when nothing else is happening.
K5ND

Homebrew AM from Cuba
It used combined Soviet and American tubes in the RF sections.
SolderSmoke Daily News

Enormous metal sculpture becomes an antenna
It’s over 70 feet tall and made out of bronze and steel.
Hackaday

Hams catch Russians talking about recovering downed US drone
Hams obtained audio recordings of the Russian military trying to retrieve a US spy drone.
MSN

The ultimate 80 meter Ham Radio antenna
The 80 meter skyloop is still a top performing HF antenna.
OH8STN

Series and parallel battery connection techniques
All the batteries in your system should be the same voltage, amp-hour rating, and type.
Off Grid Ham

An overview of Beverage receiving antennas
What makes them so special?
OnAllBands

Video

Go Kit Challenge 2023 show and tell
We swing by many different go kit, boxes, and vehicles.
Tank Radio

The USA’s Worldwide Listening Ear
Could locate HF transmissions anywhere on the planet.
Ringway Manchester