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

AST SpaceMobile defends use of Ham Radio spectrum
AST SpaceMobile plans to use the spectrum in a limited capacity.
PC Mag

Hams worried about AST SpaceMobile’s satellite plans
If similar authorizations are granted to other commercial operators, the 430-440 MHz band could gradually become unusable.
PC Mag

But wait, there’s more
Opulent Voice demonstration conference server beta test now open.
Open Research Institute

Born again Apple Mac geek thanks to Amateur “Ham” Radio
The most surprising and one of the best things about my rediscovery of radio is how it’s converged with computers and the Mac.
Andrew Woodward

What is the ESA FutureGEO project?
ORI’s response to the call for participation from AMSAT-DL concerning the FutureGEO project, sponsored by the European Space Agency.
Open Research Institute

NOAA 15 and 19 to be decommissioned within the next two weeks
NOAA has completed end of life testing activities for NOAA-15 and NOAA-19 and will commence the decommission process shortly.
RTL-SDR

How to receive stunning weather images from Meteor-M2 satellites
These polar-orbiting weather satellites beam down digital Low Rate Picture Transmission (LRPT) signals at 137 MHz.
VU3DXR

2025 one Hertz challenge: Learn Morse Code one second at a time
A message beeps out in Morse, with a corresponding LED flash, all in one second.
Hackaday

Great places to scan the dial
A summer trip to the Alabama mountains to tune the FM band.
Radio World

APRSD
Ham Radio APRS-IS message platform software
APRSD

A collection of Mode S and ADS-B tools and resources
Includes pyModeS, The 1090 Megahertz Riddle, and more.
Mode-S.org

Rapid deployment field expedient random Wire antenna ideas
Rule 1: It has to fit inside the briefcase.
Hame Radio Outside the Box

Video

W4USA station tour
Underground station features an extensive Ham Radio setup.
W4USA

ARPS.Chat – Send and receive APRS messages globally
Enabling operators to never miss a message, even when their radios are turned off.
RTL-SDR

Introducing Radio Alpha, the ARRL Museum and Research Library
There’s a new resource from ARRL documenting the history of Ham Radio.
ARRL

Texting with M17 just got easier
The most convenient one is to use KD0OSS’s fork of OpenRTX.
M17 Project

Introducing RTQM, QRZ’s Real Time QSO Manager
It’s a way to call CQ silently, as well as a way to know exactly when stations are standing by.
QRZ

Converting your WPSD hotspot to WPSD-M17
Follow my steps to successfully convert your hotspot running WPSD to the forked version that supports M17.
The Random Wire

Opulent Voice Conference Server
Test plan & user guide.
Open Research Institute

Decoding Meshtastic with GNURadio on a Raspberry Pi
A portable display using a Raspberry Pi 5.
Jeff Geerling

30 Meter Delta Loop
Although it’s simple, it is worth an article.
VE3VN

It’s more than just the tech: Lessons learned in funding R&D
R&D projects had the greatest number of uncertain outcomes compared to other categories.
ARDC

Gray line: The Twilight Zone of radio propagation
Welcome to the weird and wonderful world of gray line propagation—also known as the magical twilight zone of HF radio.
OnAllBands

A lightweight M17 hotspot
A lightweight M17 hotspot based on the CC1200 and a Raspberry Pi.
RZ01.org

Video

If you build it, they will come
Let’s build a packet radio repeater including AX.25 networking, NET/ROM node services and a Winlink email server.
KM6LYW

Desert island Ham Radio – IOTA EU-179 activation
This video documents our 6-day expedition to a remote desert island in the Black Sea during IOTA Contest 2021.
Man with the Antenna

Hams access crucial hurricane data after US DoD cut it off
Amateur-built decoder taps SSMIS satellite data amid NOAA cutoff.
The Register

Modern satellite tracking for Amateur Radio
Use online or self-host.
Zenith Satellite Tracker

Get a load of this…
Ground-mounted verticals are all the rage these days in portable HF operations.
K4FMH

AmComm DMR Network
DMR Done Right!
AmComm DMR Network

It’s time to put NOAA Weather Radio in cars
The service would be more effective than AM radio.
Radio World

Meet the hobbyists behind today’s smartest radios
Across generations and continents, FM DXers embrace open-source tools to tune into distant signals.
Radio World

Take a long hard look at our community…
The strength of a community depends entirely on the members of that community.
VK6FLAB

The definitive S-band satellite guide
You’ll quickly discover a new world of satellite radio. And what a varied world it is!
Jacopo’s Lair

WPSD-M17 community fork
A group of amateur radio operators led by Michael DK1MI, prepared a WPSD fork, bringing back its M17 support.
M17 Project

Does an antenna top hat really work?
Top hats provide capacitance with respect to ground.
Ham Radio Outside the Box

Why is the G5RV such a poor Antenna?
It’s a compromise.
VE3IPS

Video

Cornstalk dipole antenna
It’s cornstalk antenna season in Iowa where the plants are juicy.
Ham Radio QRP

HydraSDR RFone
A new high performance software defined radio.
Tech Minds

Thoughts on Open Source and M17
It is exceptionally unfortunate that no warning was given to the thousands of users in our community who use MMDVM and WPSD software.
The Random Wire

Building the CC1200 M17 Hotspot
This small device can be plugged on the Raspberry Pi Zero’s GPIO pins and will then act as a M17 hotspot.
RZ01

Radio Relay International and ARRL sign memorandum of understanding
Future plans for the improvement of NTS include the development of additional robust HF digital networks.
ARRL

What’s new at Digital Library of Amateur Radio & Communications — Packet Radio History
I’ve got huge news for fans of packet radio and packet radio historians: in the last month, the DLARC library has digitized reams of historical documents detailing the birth of packet radio specs, software, and hardware.
Zero Retries

MeshCore: A Meshtastic alternative
“Unlimited” hops, more intuitive system helps this project shine.
MeshCore

Radio hobbyists, Rejoice! good news for LoRa & mesh
A set of radio devices and technologies are opening the doorway to new and revolutionary forms of communication.
EFF

Ham Radio users clash with Starlink Rival AST SpaceMobile over spectrum use
AST wants to use the 430 to 440MHz band for a satellite-to-phone service.
PC Mag

Alternative firmwares for ATS Mini Radio: A technical guide
The ATS Mini DSP radio is a marvel of portable digital signal processing (DSP) radio technology.
DXR Electronics Bits

Handwritten notes, Ham Radio help rescue mother, son lost in California forest
The Ham operator then contacted the El Dorado 911 center, which provided the information to Calaveras Dispatch.
KTLA

Video

This new digital voice mode will impress you
RADE uses just 1.5KHz but can produce 8KHz of audio.
Tech Minds

70cm high power amplifier build
Modifying a commercial UHF pallet for use with 70cm.
Tech Minds

Full guide to setting up HF APRS with YAAC and VARA for beginners
This step-by-step tutorial walks you through the entire configuration process using Linux Mint, making it easy for ham radio operators to get started with HF APRS over VARA on a Linux system.
KM4ACK

An incredibly well-produced local news segment on Ham Radio
At this Ohio Ham Radio competition, every connection makes a difference.
WKYC

Local Hams respond to Texas floods
A description and pictures of local Ham Radio operators in action and how you can assist.
RV Radio Network

Hamshack Hotline public announcement – A fond farewell
What began in 2018 as a simple idea in the humble closet of K1WIZ quickly grew into something none of us could have imagined.
Hamshack Hotline

A tragic reminder: Safety must come first in the field
It’s with a heavy heart that I share news of a tragic accident that took the life of fellow ham radio operator and POTA enthusiast, Tripp Owens (N4NTO).
QRPer

SSTV from the ISS in July
An ARISS SSTV event from the International Space Station will begin no earlier than July 14.
AMSAT-UK

Hams.at and SatMatch – great tools for sat schedules
If you would like to publish your satellite activations and calculate satellite overlap passes I can highly recommend Hams.At and SatMatch.
AMSAT-SM

An Outside the Box version of the Delta Loop antenna
I bent the rules but the end result is worthy of making the trip to the field this summer.
Ham Radio Outside the Box

Great numbers stacking up for 2025 ARRL Field Day
There were 1,810 media mentions of ARRL Field Day year-to-date, a 70% increase from 2024.
ARRL

M17 modification for the Baofeng DM-1701
This inexpensive radio needs to be modded before you can transmit in M17.
RX01

A POTA procedural proposal
A way to do a joint CW activation like many phone operators do.
KB6NU

The Young Ham of the Year for 2025
Katie Campbell, KE8LQR.
Amateur Radio Newsline

The fatigue you can hear
A guide to listener burnout.
Delta-Alfa

Amateur Radio club sends transmitter into the sky
Using the WSPR protocol, the beacon transmits location, altitude, wind speed, temperature and solar panel voltage data every 10 minutes.
George Herald

Amateur band Sudoku puzzle
Fill each row, column, and 3×3 box with all 9 amateur bands.
Open Research Institute

Video

2025 Ham Radio Field Day operations above Mount Saint Helens
This flight was conducted for the purpose of the Ham Radio annual field day event.
W7NY