KrakenSDR locates a repeater jammer in 1 hour
Using the KrakenSDR Radio Direction Finder, we were the jammer’s house in 60 minutes.
RTL-SDR.com

WTWW signs off permanently
Some programming moves to WRMI.
CQ Newsroom

I used modern digital modes and I have mixed feelings
I will be honest though, I am kind of stuck in the past.
WK4DS Amateur Radio Blog

What ever happened to Ramsey Electronics?
On November 10th 1999, Ramsey Electronics of Victor, New York, was raided by the United States Customs Service.
AE5X

How to find out if your common mode current choke really works
Due to the skin effect current can flow along the inner surface of the coax shield as well as the outer surface.
Ham Radio Outside the Box

Listening for the CAS-5A Chinese satellite at 435 MHz
It’s an unusual satellite in that it has transponders with a downlink in the 70cm band and uplinks on the 2m VHF band and the 15m HF band.
EI7GL

Where VOA’s broadcast infrastructure stands today
Shortwave retains a role in serving particularly difficult-to-reach audiences.
Radio World

Why scan?
The content that can be heard on scanners is, on occasion, astonishing.
SWLing Post

Video

10m Contest recording
Featuring VR2XAN, ZL4CZ, EI7M, HS0ZET.
PB4ES

Sam Mulvey shows you how to FM radio
All about setting up the low-power FM radio station KTQA in Tacoma, WA.
Hackaday

HAM
Get to know the culture of Montana radio enthusiasts and their deep passion for ham radio.
PBS

Does my old screen door tune?
What I do with anything metal: See if it tunes as an antenna.
AI6YR

BBC preparing to go online-only over next decade
The BBC is preparing to shut down its traditional television and radio broadcasts as it becomes an online-only service.
The Guardian

Maverick-603: Affordable, Open Source FT8 receiver
The Maverick-603 FT8 receiver is a rare project that bridges Amateur Radio and open source chip design.
Crowd Supply

The end of AM radio in your car?
Sen. Ed Markey sent off letters to 20 different car manufacturers asking to keep AM radio around in future models.
Boston.com

Experiments in Japan at 5600 MHz and 10 GHz using the ICOM IC-905
ICOM staff in Japan conducted some experiments over a 25km obstructed path on the 5.6 GHz and 10 GHz microwave bands.
EI7GL

Construction begins on worlds largest radio telescope
The Square Kilometer Array Observatory has been 30 years in the making.
Space.com

DEF CON 30 RF Talks: Designing antennas, tracking military ghost helicopters
DEF CON is a yearly conference with a focus on information security.
RTL-SDR.com

Ham Radio phraseology on U.S. submarines
Did he say QSL?
AE5X

3Y0J: A DXpedition to the most remote uninhabited island on Earth
It is an inhospitable and hard-to-reach island that is rarely visited by humans.
OnAllBands

Why I log with pencil and paper
That’s what works for me and I’m sticking with it – even in the 21st Century.
Ham Radio Outside the Box

Keeping an Icom IC-705 cool during long FT8 sessions
It’s a 3-inch square fan like you’d find in a computer or some other electronic devices.
QRPer

Video

Why the tallest tower on earth collapsed
The worlds tallest structure at 646 metres (2,120.7 ft) from 1974 until its collapse on 8 August 1991.
Kult America

Open-Source passive radar taken down for regulatory reasons
KrakenRF team has stumbled into an arms-trafficing legal roadblock for their KrakenSDR-based passive radar code.
Hack A Day

Turn a 20+ year old Yaesu FT-817 into a CW mean machine
It was quickly becoming clear to me that my humble FT-817 couldn’t cut the mustard in the world of serious CW operating.
Ham Radio Outside the Box

FCC OKs Ham-Military QSOs for Pearl Harbor Day
The FCC has approved an ARRL request to permit contacts to be made between amateur stations and military stations.
CQ Newsroom

Can you handle yet another ‘OTA?
Coming soon to a body of fresh water near you.
AE5X

40 MHz beacon in Denmark off air due to electricity costs
OZ7IGY has an annual electricity bill of more than 2,800 EUR.
EI7GL

FCC Commissioner advocates for preservation of AM Radio
FCC Commissioner Nathan Simington said AM radio is an “indispensable resource.”
Radio World

Turning a trailer wiring harness into ready-made ground radials
Now we have four 25 foot radials. Bonus was all were different colors. Easy to untangle.
QRPer

Raspberry NOAA V2 Edition 2023 image released
Raspberry Pi automated NOAA and Meteor weather satellite capture.
RTL-SDR.com

How to repair a broken solar panel
I learned that solar panels have bypass diodes and that if one fails, it will cause reduced output on a solar panel.
Mikes Tech Blog WB8ERJ

222 MHz: Is anybody there?
Amateur Radio on 222 MHz has endured several reallocations and other changes through the years.
On All Bands

Video

Building your own electric motor
Hannah Fry delves into the inner workings of electric motors.
BBC

Innovative use of screwdriver antenna
Would counterpoises work better if the radials where pointed down at a 45 degree angle?
David Casler

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