New Icom IC-905 VHF/UHF/SHF SDR transceiver – 144MHz to 10GHz
Originally dubbed Project SHF, the new IC-905 sports a control unit based on the portable IC-705.
QRPblog

Hunstville Hamfest in photos
The Huntsville Hamfest was alive and well this year with a strong showing from major companies.
WK4DS

QRZ New Ham Jumpstart Program
The program will provide a new Ham welcome package, including a free HT, to eligible applicants.
QRZ.com

Solid-stating old tube gear
Look at that. Well, maybe some of you shouldnt.
SolderSmoke Daily News

Is your radio vulnerable to outside control?
In our IoT (Internet of Things) world things are open to purposeful and inadvertent control.
With Varying Frequency

Maidenhead Grid overlay for aprs.fi
Add a grid overlay to the popular aprs.fi APRS map.
Notizbl0g

Understanding wire & conductors
Wire and electrical conductors are so fundamental that we use them without giving much thought to their importance.
Off Grid Ham

13-year-old restoring old Soviet tech
Unlike most 13-year-old girls, she has a passion for fixing phones and computers.
EuroNews

Nuclear power plant exercise includes ARES
The drill was practice for the federally judged exercise scheduled for September.
ARRL

Video

Huntsville Hamfest 2022
We will walk the floor, check out some vendor areas, and the flee market.
Tank Radio

How to make meteor scatter QSOs
Harnessing Meteors for Ham Radio VHF QSOs.
K5ND

5 useful 3D printer projects For Ham Radio
Five 3D printer projects for the Amateur Radio Operator
Tech Minds

Integrated Circuit Manufacturing At Bell Labs (1983)
This classic 16mm Bell Labs film shows every step of the manufacturing process for integrated circuits.
Fran Blanche

*some classifieds may contain affiliate links

APRS and voice repeater on ISS now operating simultaneously
Simultaneous operations of the ARISS voice repeater and digital APRS communications on the Space Station is now a reality.
ARRL

Inaugural Young Amateurs Radio Club Event
The inaugural Worked All YARC Zones event from September 1st to September 15th.
YARC

Tape measure antenna efficiency
Scrape the yellow paint and make a copper bath if high radiation performance is desired.
LU2ARZ

Volunteer Monitor program report for July 2022
Notices for unlicensed operation on 2-meter amateur frequencies were sent to two logging companies in Kettle Falls, Washington.
ARRL

Mini AM radio transmitter kit
A tiny $25 mediumwave transmitter kit.
SWLing Post

An off-grid wind and solar powered satellite image receiver
A very impressive remote off-grid radio satellite image receiver setup by DO3MLA.
RTL-SDR.com

Lightweight choke balun
A Choke balun using RG-316.
KK4Z

This weekend: International Lighthouse Lightship Weekend
The ILLW attracts over 500 lighthouse entries located in over 40 countries.
ILLW

Five types of operators you should want to be
Here are five examples that you can aspire to.
OnAllBands

Starlink ground stations successfully hacked
The hack is a modchip with an RP2040 and a MOSFET that crowbars the power rails.
Hack A Day

Video

Radio assembly line 1942 Holland
The Erres KY-418 radio set assembly line.
YouTube

Vintage SONY Japan manufacturing plants
Snapshots of Trinitron TV, video tape recorder, semiconductors, and more.
Computer History Archives Project

CornTenna QRP SSB
Today we find out if a green stalk of corn has enough conductance to radiate a 5 Watt QRP signal.
K0KLB

*some classifieds may contain affiliate links

Last chance: 2019 State of the Hobby Survey
This benchmark can help us determine what is working and what is not in the ham radio community. This can involve participation, recruitment, mentoring and licensing. It can also help identify new and emerging trends in amateur radio. Please take a few minutes to complete the survey and share with others in the hobby.
N8RMA

ISS SSTV transmissions April 1-2
Cosmonauts on the International Space Station will again be transmitting SSTV images, April 1-2, on 145.800 MHz FM as part of the Inter-MAI-75 experiment.
AMSAT UK

FCC considers changes to Amateur Radio Licensing
The FCC has invited public comments on two proposals to change the licensing requirements for amateur radio operators.
K0NR

Bryan Broadcasting Asks FCC to Allow All-Digital AM
Permitting such modernization would “give AM broadcasters a needed innovative tool with which to compete” without harming others in the spectrum ecosystem.
Radio World

6 meter amplifier — testing and setup
I’ve added a TE Systems 0510G 6 meter amplifier set up for 10 watts in and 170 watts out.
K5ND

ARES helps Iowa water utility resolve RFI issue
After a process of elimination, the ARES volunteers pinpointed the interfering signal.
ARRL

How to get into DMR without a radio
It begins by acquiring a special USB Dongle that contains an analog to digital and digital to analog IC chip.
Southgate

Making a 1940s radio digital with nixies
The rest of the build consists of fixing up an old radio and gluing the veneer down again with modern glues that will last another seventy years.
Hack A Day

Video

Volunteer first responders use CB Radio
Volunteers at Imperial Dam Long Term Visitor Area in California use CB Radio as communications method.
YouTube

Artist to transmit art via SSTV and HAARP
Amanda Dawn Christie will use the world’s most capable high-power, high-frequency transmitter to send art around the world and into outer space.
Concordia University

2 meter square loop antenna
Get on 2m SSB in style with this neat and sturdy plumber’s delight RF projector.
Ham Universe

Part 3 of Ham Radio and condo life
If you have an attic, the best antenna could be the Alpha Delta DX-EE fan dipole.
VE3WDM

Photos from the 2019 Charlotte Hamfest
I was very impressed with the turnout–indeed, it was one of the busiest regional hamfests I’ve attended in ages.
The SWLing Post

Radio Hams help isolated settler
IARU Region 2 reports on a short story with a happy ending.
Southgate

FT8 growing as DX mode in an era of waning propagation
The number of Club Log users uploading at least one FT8 contact to the site grew from 8,000 in 2017 to 14,200 in 2018.
ARRL

This SDR uses a tube
The tube acts as both an oscillator and mixer, so the receiver is a type of direct conversion receiver.
Hack A Day

2019 State of the Hobby Survey
This benchmark can help us determine what is working and what is not in the ham radio community. This can involve participation, recruitment, mentoring and licensing. It can also help identify new and emerging trends in amateur radio. Please take a few minutes to complete the survey and share with others in the hobby.
N8RMA

Video

Receiving Cosmonaut Alexey Ovchinin on Soyuz MS-12
Using an SDR to listen to Soyuz communications.
YouTube

The first geostationary satellite for Ham Radio
Here we take a look at the Ham Radio transponders of the new Es’Hail 2 Satellite.
YouTube

FCC looking for comments on enhanced Tech priveleges
This includes phone privileges at 3.900 to 4.000 MHz, 7.225 to 7.300 MHz, and 21.350 to 21.450 MHz and RTTY and digital privileges in current Technician allocations on 80, 40, 15, and 10 meters.
KB6NU

Keyless chaos as drivers mysteriously locked out of cars
Authorities are trying to locate the disruptive signal.
Southgate

Of end-feds and feed-lines
Simulations suggest what feedline lengths to avoid and offer a confirmation why portable users with short feeds never seem to have trouble.
hamradio.me

Top ten FT8 advantages for slackers
You have time to visit the restroom without missing any contacts.
K0NR

All about RF coaxial cable connectors
Many standard connector formats, such as the D-type connectors and many other multiway connectors consist of a series of pins with connections in parallel to each other. RF connectors are typically very different and have some rather different characteristics.
electronics-notes.com

3D printed telegraph
To actually put a key to use, you need a telegraph sounder on the receiving end to “play” the messages.
Hack A Day

Flooded batteries for off grid radio, revisited
Regular maintenance on flooded batteries should be done at least twice a year, or quarterly if your batteries are cycled often.
Off Grid Ham

Pistol crossbow antenna launcher
Generally, the higher you can get an antenna, the better off you will be.
Soliloquy Blog

Radio fun: Monitoring ISS answering student questions
The pass was high and mostly to my open south which meant it was one of the longest ARISS contacts I’m monitored.
The SWLing Post

2019 State of the Hobby Survey
This benchmark can help us determine what is working and what is not in the ham radio community. This can involve participation, recruitment, mentoring and licensing. It can also help identify new and emerging trends in amateur radio. Please take a few minutes to complete the survey and share with others in the hobby.
N8RMA

Video

Running two instances of WSJT-X
A demonstration of two instances of WSJT-X, two radios, and two antennas. One computer.
K0PIR

2019 State of the Hobby Survey
This is the third annual State of the Hobby survey. 2018 came booming in with nearly 3,000 responses.
N8RMA

So Now What?
ARRL is launching a new bi-weekly podcast geared to those who are just getting started on their Amateur Radio adventure.
ARRL

Light up 2 Meters Night – an FM Simplex event
Taking place on March, 24, 2019, from 6-8pm local time.
W5KV

The $50 Ham: Getting Your Ticket Punched
Today we start a new series dedicated to amateur radio for cheapskates.
Hack A Day

New DMR network: QRM_Network
This is a good place to experiment with new hardware and software.
KC3OL

My return to Ham Radio
This story is about my observations after returning to the hobby after a long absence. How has amateur radio changed?
VE7SAR

Ham Radio EMCOMM Go Kit
When building a go kit you should think about what you need the kit to do and how you will be using it.
High On Solder

Best handheld Radio for preparedness?
The Yaesu VX-6R and VX-7R are excellent handheld radios for those interested in communications preparedness.
OH8STN

HRPT stations worldwide
These are Stations from Radio Amateurs that Receive HRPT images in L-Band from Polar Orbiting Weather Satellites.
Tynet.eu

Video

Testing the Medium Wave capabilities of a Kenwood TH-D74A
Medium Wave reception test of an unlikely receiver.
YouTube

Making a paper cup microphone for less than $10
You can make a microphone out of a paper cup, some magnets, and some wire.
LeoMakes

Reduce HF noise with Faraday Cage for switching power supplies
The results are very promising with the shielded supply eliminating the noise almost entirely.
rtl-sdr.com

“RF Seismograph” may be real seismograph
Alex Schwarz, VE7DXW, in British Columbia, Canada, is exploring the possibility that “RF signatures” detected by the RF Seismograph propagation tool could also be indicating earthquakes, and may even be able to predict them shortly before they occur.
ARRL

FreeDV QSO Party 2019
April 27th 0300z to April 28th 0300z 2019. This is a great chance to try out FreeDV and work Australia using open source HF digital voice.
Rowetel

Does WiFi kill houseplants?
Spoiler alert: No. To come to that conclusion, Andrew McNeil ran a pretty neat little experiment.
Hack A Day

Ultimate crimp guide with photos
Common wire-to-board, wire-to-wire connectors, and crimp tools.
Matt’s Tech Pages

In-depth: Ham Antarctic expedition
Between January 14 and February 18 I have been away from home on a research expedition to Antarctica. Several people have asked me for a post detailing my experiences.
Daniel Estévez

WiFi RF as art
The installation represents four open Wi-Fi Internet access points. By connecting to these points, visitors to the exhibition influence directly, through their network activity, a rhythmic sound generation process.
vtol

Ailunce HD1 Codeplug
If you are like me and just want to use your HD1 with a Jumbo Spot (or any hotspot) this is the easiest codeplug you’ll ever find.
K0PIR

LTE on Ham Bands in Austria
The goal is to use SDR and OpenLTE software to develop fast data transfer from 70cm upwards.
Southgate

Video

How to decode POCSAG & FLEX using an RTL-SDR Dongle
How to decode POCSAG & FLEX pager messages.
M6LME

Explained: The first geostationary satellite for Ham Radio
We take a look at the Ham Radio transponders of the new Es’Hail 2 Satellite.
Tech Minds