SKYWARN Recognition Day set for December 3
The annual SKYWARN™ Recognition Day (SRD) on-the-air activity will take place Saturday.
ARRL

Digital Library of Amateur Radio & Communications surpasses 25,000 Items
DLARC has quickly grown to more than 25,000 items, including Ham Radio newsletters, podcasts, videos, books, and catalogs.
DLARC

Survey: How do you find new nets?
We’re researching how the Ham Radio community discovers nets. All information is anonymous.
Amateur Radio Weekly

HF & VHF Ocean Radars – 26 MHz to 43 MHz
Ocean radars measure ocean currents by emitting radio waves from shore-based transmitting antennas.
EI7GL

Decoding the Artemis I Orion vehicle
Seven hours after launch, I used two spare antennas from the Allen Telescope Array to record RF signals from Orion and some of the cubesats.
EA4GPZ / M0HXM

Lithium batteries in the cold: A guide
As a lithium battery cools, the chemical process that creates electricity slows down and the internal resistance of the battery goes up.
Off Grid Ham

The Luxemburg-Gorky effect
A phenomenon of cross modulation between two radio waves.
The SWLing Post

Stand alone SSTV camera
Despite the crude nature of SSTV it works surprisingly well.
Dzls Evil Genius Lair

FUNcube-1 (AO-73) now celebrating nine years in orbit
It has now transmitted more that 16 million data frames.
AMSAT-UK

Video

Exploring a 1 million Watt FM tower
Tour the super tower in Crestwood, MO, serving the entire St. Louis metro area.
Geerling Engineering

DIY sand battery
The theory, practice, and use
Robert Murray-Smith

Iowa Marine Mobile
Had a lot of fun experimenting RMOOTA (Random Metal Objects On The Air) with the boat today.
K0KLB

Ever heard of the Heathkit SS-8000 Digital Transceiver?
The reason that very few Hams have heard of it is that it was never released.
VE7SL

CW Hotline
Think The Bat Phone for CW.
Ham Radio Solutions

DATV Trans-Atlantic experiments
Successful Digital Amateur TV tests on the 29 MHz band across the North Atlantic.
EI7GL

FediHams Digital Voice Network
This digital voice network is intended as a place to hang out for all the Fediverse Hams.
QRZ.is

Pride Radio Group
Pride Radio Group is a virtual radio club set up to demonstrate and promote acceptance within the hobby.
Pride Radio Group

Solar powered Meshtastic network
Austin Mesh is a community group working to build a mesh network of solar-powered Meshtastic radios.
Austin Mesh

Why do I want to buy so many Ham Radios?
What is it with this obsession of collecting radio gear?
WK4DS

The enduring Yaesu FT-817 and FT-818 series transceivers
Why choose a legacy design like the 817/818 when newer QRP transceivers have better overall field specs and features?
QRPer

Book: War Diaries – A Radio Amateur
What it’s been like for a radio listener and Ham Radio Operator living day-to-day in Kyiv since Russia invaded Ukraine earlier this year.
SWLing Post

Video

When secret government numbers stations go wrong
Automated stations are prone to errors.
Ringway Manchester

A.I. and Amateur Radio
Artificial Intelligence and Machine Learning and the future of Amateur Radio.
Open Research Institute

W6MRR balloon launch
High altitude balloon launch, Pasadena California. W6MRR, KN6KZF, and K6EAU.
SF HAB

RX888 MK2 16BIT Software Defined Radio
64 MHz real time bandwidth on HF.
Tech Minds

DLARC comes online
Digital Library of Amateur Radio and Communications now available with first batch of collections.
Internet Archive

[Podcast] Deep dive into the M17 Project
M17 is developing a new digital radio protocol for data and voice that is open source.
Linux in the Ham Shack

The decline and fall of RaDAR
Participants set up a station, make 5 contacts, then tear down and move on.
Ham Radio Outside the Box

Simplifying antenna tuning with a manual tuner and a nano VNA on location
Something I have always hated doing is the whole tuning operation and transmitting while I did it.
WK4DS

QRZ Jumpstart Program gives away 2,000 radios
QRZ places a brand new radio into the hands of any person who has been licensed within the past 30 days.
QRZ.com

Measuring height with atmospheric pressure
We’re going to play around with the atmosphere around us, and do a little bit of math, to create a pressure sensor-based height measuring tool.
SparkFun

Radio manual archive
An archive of user manuals, service manuals, and schematics for hundreds of Amateur Radios.
QRZCQ.com

BBC broadcast tech: then and now
We look at the BBC’s pivotal role in making the broadcast and radio technology field what it is today.
Engineering and Technology

Special event station AU2JCB
A special event to commemorate the father of wireless communication, Sir Jagadish Chandra Bose.
AU2JCB

Time to make a choke balun
These devices are present to control common mode currents.
VE9KK

Video

10m FM QSO mobile: Florida <> Vermont
Conditions on 10m were fantastic this morning.
AE5X

The giant Collins HF discone antenna at the Titan Missile Museum
An amazing place and a unique and equally amazing antenna that you can use.
YouTube

Richard Brunton, G4TUT, Silent Key
For countless years, Richard was editor of the popular Southgate Amateur Radio News website.
RSGB

Why I Quit QRP (and maybe shouldn’t have)
I placed the blame for my lack of portable QRP QSOs on poor propagation. In hindsight, there could have been another explanation.
Ham Radio Outside the Box

AMSAT Amateur Satellite Database
Radio frequencies for Amateur satellites orbiting Earth. Search and sort them by name, number and mode.
AMSAT

Build a passive radar with Software-Defined Radio
Spot stuff with the KrakenSDR and two TV antennas.
IEEE Spectrum

Drone to raise antenna using bait drop servo
This approach seems promising and I hope to try it out with a real antenna raising soon.
Marxys Musing On Technology

Making QO-100 contacts from North America–a new challenge
It is understandable that Amateur Radio operators in North America are disappointed that they cannot experience the fun of using QO-100.
AMSAT UK

Identify that antenna by sight
It’s a skill that Radio Amateurs pick up over years but which it sometimes comes as a surprise to find that is not shared by everyone.
Hack A Day

Radio silence grows in Venezuela as government shutters dozens of stations
At least 50 stations in Venezuela have been closed so far this year by the Conatel regulator because it says they lack valid licenses.
Reuters

Baluns and common-mode impedance: How much is enough?
This article starts by defining what a balun is (and is not) along with common-mode current and impedance.
On All Bands

Exploring the handy Prusik Knot
The Prusik knot is a simple, yet effective means to provide needed strain relief to wire antennas and coax.
QRPer

POTAXXIA may be right for you
Pursue your passion while remaining in control.
K0NR

Video

GNU Radio Conference 2022 talks
YouTube playlist of all talks from the 2022 GNU Radio Conference.
YouTube

Creating homemade tubes
Building a 1920s tube amplifier (and tubes!)
YouTube

If China declares war, these Ham Radio enthusiasts could be crucial
Ham Radio might turn out to be more than just a pleasant pastime.
L.A. Times

Mastodon.Radio: A Twitter alternative for Hams
Mastodon.Radio is a community space for the Amateur Radio community. It’s entirely funded by its users.
Mastodon.Radio

More information about the NOAA-15 failure
The technical aspects of the AVHRR Scan Motor failure.
RTL-SDR.com

Building a local network with LoRaWAN
The core of the build is the LoRaWAN gateway which sits at the top of a tall building to maximize the wireless range.
Hack A Day

Understanding the basics of APRS and how to get started
APRS stands for Automatic Packet Reporting System.
K0PIR

A tour and deep-dive of my SOTA/POTA Backpack
A deep dive into my world of packs, bags, and organization. It’s not for the faint of heart.
QRPer

Building a field expedient Amateur Radio kit
The ability to rapidly move to a remote area and set up reliable multi-band, multi-mode communications in very short order.
On All Bands

History of the 11m Ham band
11m was a legal Ham band in North America from 1947-1958.
PE4BAS

Why I’m keeping my IC-7300
There’s been a lot of hoopla over the new Yaesu Radios.
KK4Z

Video

Hamilton Hamfest walkthrough
A walkthrough of the excellent Hamilton Hamfest.
VE3IPS

Installing FT8, JS8Call, FLDIGI, and Gridtracker on Linux
Let’s get FT8, JS8Call, FLDIGI, and gridtracker installed on the Evolve Maestro laptop running Linux Mint.
KM4ACK

US opts to not rebuild Arecibo telescope
The agency issued a solicitation for the creation of a $5 million education center at the site.
Yahoo!

Ham TV to return to the ISS
AMSAT announced the Ham TV unit for the ISS is repaired and on the way to Houston for testing.
AMSAT

Take a long hard look at our community
Im distressed to report that, yet another amateur has been bullied out of our community.
VK6FLAB

Ghosts in the Air Glow
An ionospheric transmission art project using the HAARP Ionospheric Research Instrument transmitting NBTV and SSTV.
Ghosts in the Air Glow

ARRL to offer training for club officers
Webinars will offer training for the skills needed to build and run a successful club.
KB6NU

Make your own solder flux
Lets make a healthier soldering flux using only natural ingredients.
hackaday.io

Log 10 meter CW beacon activity
Some beacon ops will request QSL card reports the old school way via mail.
The SWLing Post

How to build aluminum antennas
Next to wires, antennas made of aluminum tubing and rod are the most common type of amateur radio antenna construction.
OnAllBands

Anatomy of Blockstream Satellite
Blockstream Satellite is a service that broadcasts the Bitcoin blockchain and some additional related data from GEO satellites.
Daniel Estévez

1956 Philips 353A Bakelite vacuum tube radio restoration
The 353A is a reasonably complex mains-powered seven-tube superheterodyne radio receiver.
Adams Vintage Computer Restorations

Crusty leaking battery cells
What has happened here and how can I fix it?
Hack A Day

Video

Internet Archives Digital Library of Amateur Radio & Communications
The Internet Archive is preserving more than 100 years of Amateur Radio knowledge and is looking for your donations of media.
Archive.org

Dollar Store Permeability Tuned Oscillators
Experimenting with PTOs following Farhans use of one in his new Daylight Again transceiver.
SolderSmoke

Arborist throwing line for hanging antennas
How to use an arborist throw line to hang antennas in trees high enough to work properly.
K0PIR

*some classifieds may contain affiliate links

Internet Archive looking for Amateur Radio materials
DLARC will be a massive online library of materials and collections related to Amateur Radio and early digital communications.
Internet Archive

Shortwave station WRMI damaged by Ian
Here are photos from the tower farm in Okeechobee.
Radio World

The art and design of Ham Radio
The cards reveal a rich typographic expression that is rare in their authenticity—each card a personal reflection of the stations operator.
Print Magazine

The thorny problem of keeping the Internet’s time
An obscure software system synchronizes the network’s clocks. Who will keep it running?
The New Yorker

Maryland firefighter uses his Ham Radio to send rescuers
Firefighter and Ham Radio hobbyist helped rescue a group stranded by Hurricane Ian.
Fox News

EMCOMM in action
Providing communications support for the Pan Ohio Hope Ride.
OnAllBands

The largest commercial communications array ever has just launched
The problem is, it might outshine all stars and planets.
Cosmos

Bicycle Mobile
I wanted to work HF using my bike as a stand. I won’t ride with the HF antenna installed but rather set it up when I stop.
KK4Z

AntRunner is the satellite antenna mount you need to take with you
The rotator itself is an az-el design with a couple of geared stepper motors.
Hack A Day

Video

Raspberry Pi 4 Vs. Evolve Maestro laptop
Comparing the Raspberry Pi with the Evolve laptop.
KM4ACK

The SHELF-17
Nick M0NTV showcases his latest scratch-built SSB transceiver.
M0NTV Homebrewing

RV HF Antennas
Using nerf bars as an antenna.
David Casler