Morse Maven app for iOS and Android
Morse training, decoding, and sending tool via audio or flashlight.
Morse Maven

ADRCS grant application accepted by ARDC, will advance IP400 Project
ADRCS expects to begin work in the fall.
ADRCS

MeshSense Meshtastic desktop application
A simple, open-source application that monitors, maps and graphically displays all the vital stats of your area’s Meshtastic network including connected nodes, signal reports, trace routes and more.
Affirmatech

Organic challenges
There is hidden joy in making up your own games using the radio.
KE9V

Remembering Canadian astronaut Marc Garneau
Ham recalls Amateur Radio connection to astronaut.
The Millstone

DX Look HF propagation map
Whether you’re making your first contact, preparing for a POTA/SOTA activation, or just curious about HF propagation—this map helps you choose the right band, mode, and time to get on the air.
DX Look

A 15 meter high-pass filter for Field Day
This filter – which could be made to strongly attenuate frequencies on the non-WARC amateur bands below 15 meters (e.g. 20, 40 and 80 meters) – it would have the advantage of also being usable on both 15 and 10 meters.
KA7OEI

Amateur Radio resources for visiting Hams at the 24 Hours of Le Mans
Visiting Ham operators at the 24 Hours of Le Mans: repeaters and networks available.
SWLing Post

RadioTransciptor: Real time radio speech to text transcriptor using AI
It uses voice activity detection to only transcribe when speech is actually happening — great for monitoring radio chatter or voice nets on HF/VHF/UHF.
RTL-SDR

Crowdsourcing SIGINT: Ham Radio at war
The voluntary interceptors were asked to record any station they couldn’t identify and submit a log that included the messages to the Radio Security Service.
Hackaday

Field Day 2025 and the NTS Traffic Handler
An opportunity to demonstrate the messaging service capabilities of the National Traffic System, especially in an emergency.
ARRL

Submarines on the air
Operating from the USS Cobia, a WWII Gato class submarine has been a bucket list item for me.
KB9VBR

Morse Invaders
Morse training in the style of the classic Space Invaders game.
KE6EEK

SteppIR to stop selling antennas to the Radio Amateur market
As of the 31st of August 2025, SteppIR will no longer be selling antennas to the ‘consumer market.’
EI7GL

AMSAT designates SO-125 new FM repeater satellite
The satellite carries an FM and digital repeater payload, built on an improved SDR-based platform capable of transmitting up to 0.25W.
Amateur Radio Daily

The importance of internet-connected systems for Amateur Radio community and connections
Boiled down to its essential bits, Amateur Radio is about the technology of communication.
The Random Wire

FreeDV 2.0.0 released
FreeDV 2.0.0 has been released, containing the first official release of the RADE V1 mode.
FreeDV

What’s really happening at the IARU?
Is that the kind of body that you want to represent you on the world stage?
Foundations of Amateur Radio

SkyRoof: New Ham satellite tracking software (Windows only)
SkyRoof is both a satellite tracking and SDR receiver program. It supports the RTL-SDR as well as Airspy and SDRplay devices.
RTL-SDR

Double-hop dreams and the mystery of long-distance FM
Learn how broadcast signals can travel more than 4,000 miles via E-Skip.
Radio World

NOAA 18 decommissioned
Multiple stations confirm that NOAA-18 is shut down on APT, S-Band, HRPT transmissions.
USRadioGuy

Fiberglass push-up mast revisited — portable and home stations
The 25-foot version provides the most versatile size, allowing me to set it up at whatever height suits my needs at home or on the go.
K5ND

Video

GrLevel3 radar alternative for Linux
Supercell Wx is a great radar application that runs native on Linux. It is a great alternative to GrLevel3, Radar Scope, and Radar Omega.
KM4ACK

Radio operators jumped into quick response after ’85 tornado cut communications
We operated as the backbone and assisted where we could with the police, fire, and paramedics.
WKBN

Amateur Radio Day (1995)
In June 1995, News Channel 11’s Karen Cole Jenkins’ QTH was at Amateur Radio Day.
WJHL

AMSAT-DL seeks interest in “futureGEO” geo satellite project
The aim is to identify potential partners who would like to actively participate in the definition and development of a new amateur radio payload for a future geostationary satellite.
Amateur Radio Daily

2025 Hamvention attendance breaks all-time record
36,814 was the final attendance count for 2025. Up almost 1,000 from 2024.
Dayton Hamvention

APRS Graffiti Wall
Send a message to GWALL via APRS.
radiorabbit.ca

Milwaukee was (and still is) an epicenter for Amateur Radio
We tune into Milwaukee’s robust ham radio scene.
Milwaukee Magazine

Yaesu FTX-1 vs Icom IC-705 physicality
The screens are the same size on both radios. The FTX-1 is a little wider and the IC-705 is a little thicker.
KK4Z

New to Ham Radio? Here’s what not to do.
Don’t quit over bad experiences.
Off Grid Ham

ChatGPT to design circuits?
To my surprise, chatGPT generated a full LTSpice netlist file for simulation.
Nuclearrambo

Preparing for hurricane season
Jacksonville Amateur Radio operators ready to respond in an emergency.
News4Jax

Papua New Guinea to reintroduce shortwave radio
National broadcaster aims for nationwide coverage by 2030.
Radio New Zealand

2025 Hamvention photo gallery
This year’s Hamvention was truly incredible.
QRPer

Video

Signal wars: The untold story of SSB
Why single side band (SSB) almost never existed.
Ham Radio Gizmos

Yaesu FTX-1 Field vs Optima
The #1 Comparison Guide for Radio Enthusiasts.
Ham Radio 2.0

Amateur spectrum addressed in US House Reconciliation Bill
Within two years not less than 600 megahertz must be identified from between 1.3 and 10 GHz for reallocation to commercial use for broadband services.
ARRL

Hamvention 2025 wrap-up
The future of Amateur Radio is strong.
K4HCK

Hamvention brings the world to Greene County
Organizers estimate that this year’s turnout exceeded the 35,000 attendees of 2024.
Xenia Gazette

AMSAT volunteers power Hamvention exhibit
Live satellite demonstrations outside of the exhibit area drew interest from Hamvention participants.
AMSAT

Highlights from 2025 Dayton Hamvention
The ARRL Lab tested more than 170 radios in the booth, including a handheld radio that fell 14,000 feet.
ARRL

The 2025 Four Days in May Symposium
An Introduction to LTspice, A Tube Transmitter for SOTA, SSB for the QMX, and more.
KB6NU

2025 Four Days In May (FDIM) Photo Gallery
If you’re a QRPer and haven’t made it to FDIM yet, I can’t recommend it enough.
QRPer

Another Hamvention done
The FreeDV project demonstrated the benefits of Radio Autoencoder (RADE).
FreeDV

Wandering around Hamvention 2025
I wandered around the grounds, asking other hams what the coolest and strangest things that they found at the festival.
KB9VBR

Video

ARISS Hamvention Forum: 25 years of continuous operation on ISS
Demonstrating the ARISS 2.0 vision with Fram2Ham.
Hamvention

Hamvention floor walk 2025
Take a tour of Hamvention 2025.
KM4ACK

Hamvention: Thousands flocking to Xenia this weekend for Amateur Radio show
Last year’s attendance was 35,000, more than the population of the entire city of Xenia.
Dayton Daily News

ARRL seeks entry-level HF privileges in FCC proposal
Amateur Radio association said filing reflects need to update rules for digital modes.
RadioWorld

ARRL renews defense of the 902-928 MHz Amateur Radio band
The FCC is considering a petition by NextNav, Inc., a licensee in the 900-MHz Location and Monitoring Service (LMS), to reconfigure the 902-928 MHz band.
ARRL

Record-breaking participation in 2025 Amateur Radio exam in Bangladesh
More than 900 participants took part in an examination organized by the Bangladesh Telecommunication Regulatory Commission.
QRZ

Pile-up speedbumps: The QSO Killers
Disruptions in a pile-up arise when DX hunters deviate from the expected rhythm of a standard QSO.
Delta Alfa

Radio apocalypse: Meteor burst communications
The world’s militaries have always been at the forefront of communications technology.
Hackaday

Matching an EFHW antenna – a third way
Despite the advantages, the EFHW has its critics.
Ham Radio Outside The Box

Khanfar software: RTL-SDR CFAR mask analyzer
This powerful tool combines advanced Constant False Alarm Rate (CFAR) algorithms with innovative Frequency Mask Trigger (FMT) techniques to provide reliable signal detection even in challenging RF environments.
RTL-SDR

Video

Bird feeder HF antenna
A balcony-anchored “motorized bird feeder” antenna with amazing radials.
Ham Radio Perspectives

HamSCI: Space weather we can do together
What’s next for HamSCI, including new developments in the HamSCI Personal Space Weather Station project.
RSGB

This ambulance Is actually a mobile Ham shack
From HF radios and power distribution to antennas and off-grid capability.
Broken Signal

Meshtastic Event firmware for Dayton Hamvention 2025
Last year’s mesh chaos? We remember 😅 This year, we’re ready for it.
Meshtastic

Zero Retries Digital Conference 2025 call For papers
Technical papers are sought for the in-person inaugural Zero Retries Digital Conference (ZRDC).
Zero Retries

Announcing 2025 award recipient: Sebastian Delmont (KI2D)
Ham2K Portable Logger, a groundbreaking project, has been selected as the winner of the 2025 annual Amateur Radio Software Award.
Amateur Radio Software Award

The sun’s 100-year “Gleissberg Cycle” is waking up
The next few solar cycles could be even more intense.
spaceweather.com

How to process an Earth-Venus-Earth radar return signal
Each transmission was 278 seconds long. This time span was selected because it equaled the expected round-trip time from Earth to Venus and back.
Open Research Institute

What is M17?
Open Source gives you freedom: freedom to enjoy, freedom to innovate, and freedom to use the M17 protocol.
Random Wire

Tornado siren test net
Tracking down maintenance issues during these tests is a small but essential part of emergency preparedness.
W8EMV

Fixing an antenna at the top of a 35-foot tower
The problem: Jim’s antenna wasn’t performing well.
Ham Radio Prep

Ham Radio Day ignites STEM curiosity in Northwest Ohio
Amateur Radio is full of career choices! It can lead you in so many directions.
The Village Reporter

Islanders say they cannot escape the mysterious humming
Islanders in the Outer Hebrides say their lives are being disrupted by a mysterious low frequency humming sound that can be heard day and night.
ICQ Podcast

Video

Inside ARDC: Bdale KB0G on funding the future of Ham Radio
The private foundation quietly reshaping the future of Ham Radio.
Q5 Worldwide Ham Radio

Mobile antenna lift using a linear actuator
For about 50 bucks and a little time, raising and lowering mobile antennas is a breeze.
WB6JWB

10 keys to selling used Ham Radio gear
How to sell used Amateur Radio gear safely and successfully.
Ham Radio Perspectives

Yaesu releases FTX-1 series radios [PDF]
HF/50/144/430MHz all mode field and base station transceivers.
Yaesu

IP400 Ichiban – The Big Reveal
An initial production run of 25 IP400 Ichiban units, paired with Raspberry Pi Zero 2 Ws, with the latest software on a MicroSD card, are in production.
Zero Retries

QSO specific F2 visualization
We know the F2 heights all over the world at the time of each QSO.
Copasetic Flow

NOAA 15, 18, 19 end of life announcement
Transmissions will continue for hobbyists.
RTL-SDR

Build a single transistor amplitude modulation & demodulation circuit
With explanation of how it all works.
KM1NDY

What does your contesting keyboard look like?
With most contesting programs the F keys on your keyboard are used for sending specific macros.
VE9KK

Put an old-school BBS on Meshtastic radio
Microsocial media comes to LoRa.
IEEE Spectrum

Are multi-carrier data modes illegal in Amateur Radio?
Organizer of the Amateur Cellular project has a concern about Ham LTE.
Open Research Institute

JARL commemorative station 8K3EXPO at Expo 2025
JARL will promote the event across Japan and the world.
Amateur Radio Daily

Tunnel radio: How signals reach drivers underground
With leaky cables, a look at how motorists stay tuned in during tunnel trips.
RadioWorld

Video

Mount your Ham Radio beam on top of a tree
A fabulous Amateur Radio story 60-feet up.
Ham Radio Perspectives

Understanding HF direction finding
A technical introduction to the three most common methods used in HF direction finding.
Rohde & Schwarz