ARRL publishes 60 Second Century videos
CEO Tom Gallagher, NY2RF, supplements monthly QST editorial with video.
ARRL

80/40 Meter Loaded Dipole Antenna
The plan for this antenna was to build a lightweight 80/40 meter antenna for field use (as part of my Go Kit).
High on solder

Experimenting with my first remote antenna tuner
The transmitter doesn’t “see” an SWR at all — only an impedance resulting from the SWR.
K5ACL

The Doctor is In: Remote antenna tuners
Not every antenna tuner needs to be inside your station. Some do an even better job outdoors!
The Doctor is In

Would a membership survey help your club?
The goal is to make the club as relevant as it can be.
KB6NU

Monitoring NextGen ATC (on the cheap!)
A key component of next generation air traffic control is Automatic Dependent Surveillance – Broadcast (ADS-B).
K2DLS

First Meteor Scatter Contact
It’s not exactly ground-breaking in the Amateur Radio world, but I’m pleased to have made my first “meteor scatter” contact.
AA6E

Adventures in Science: Arduino Programming Syntax
This week, we look at what constitutes syntax in a programming language and how to employ it when writing code in Arduino.
SparkFun Electronics

Video

How To Build A Powerpole Polarity Tester
I show you how to build a simple red/green LED Powerpole polarity tester. Along with a bit of Ohm’s law.
K7AGE

Logging with AppleScript
We setup RUMLogNG, Fldigi and an AppleScript so Fldigi will log QSO’s into RUMLogNG.
K0PIR

Motorola sues Hytera over DMR
“Motorola Solutions believes that Hytera is intentionally infringing its intellectual property and misappropriating its trade secrets…”
ARRL

DIY 137 MHz WX SAT V-dipole antenna
The center of the dipole is made of Choc Block terminals where the aluminum rods are secured.
LNA for All

Comparison: ADS-B Antennas under $50
I tested every antenna against the FlightAware 26 inch, which in my batch of tests served as my watermark due to it’s performance.
Radio for Everyone

What the Heck is UHF Anyway?
Many times being loose with terminology doesn’t matter but there are times when using the right words can make a difference.
Ham Radio School

Testing FreeDV 700C
One of my goals is to develop a HF DV system that is competitive with analog SSB.
Rowetel

Setting up an APRS RX only iGate using a Raspberry Pi, RTL-SDR
The entire process detailed here should take less than half an hour to complete.
QSO365

The day I sold my HF radios
I’m hearing of hams that are giving up on HF, or even ham radio entirely due to the band conditions.
AmateurRadio.com

Download: The VHF/UHF DX Book
I have heard this book mentioned in hushed reverence as the definitive guide to DXing on the VHF/UHF bands.
M0JCQ’s Ham Blog

Diamond CP22E Antenna Review
The CP22E is a 2-meter monoband, 2-5/8 wavelength groundplane antenna, optimized for the U.S. amateur band.
Ham Radio . Magnum Experimentum

Video

Installing & Setting up Remote Control for your IC-7300
Our friends at the TX Factor have produced a video that goes through the step-by-step process of remote controlling an Icom.
Icom

Review: MFJ USB Radio Interface
This is a great device and is compatible with almost every radio.
Ham Radio Concepts

ARRL International DX Contest – Making a few contacts
Loads of fun! Thanks to everyone who participated, the bands were very active!
K5ACL

What drove Radio Shack into bankruptcy?
After two years of unsuccessful turnaround efforts, RadioShack filed for its second bankruptcy on Wednesday, citing poor mobile sales.
The Christian Science Monitor

Runt radials
Antennas shipping with ineffective antenna decoupling are on the rise as manufacturers daringly advocate 1/12 wave radials work.
Ham Radio . Magnum Experimentum

APRS explained in simple terms
In this episode of the Ham Radio 360 Podcast, Kenneth Finnegan (W6KWF) helps explain the APRS protocol.
Ham Radio 360

How to: Boafeng UV5R USB soundcard interface
The main idea for this project was to replace the external speaker microphone functionality with that of the USB soundcard.
High on Solder

Origin of wireless security: The Marconi radio hack of 1903
Marconi is about to demonstrate his new wireless system, which he claims can securely send messages over a long distance, without interference by tuning the signal.
Hack A Day

Breaking the cheap Ham stereotype?
Both sell high-quality, somewhat expensive products, and I was a little surprised that neither had any complaints based on the general characterization of hams as cheap.
Ham Radio Now

Review: 12 watt tri-band HT
The brand new JT-5988HP is a 12-watt, tri-band radio with a 4800mAh battery from JINGTONG, a handset and parts supplier out of China.
Prepari

A review of the Elecraft K-Pod
This was a nice addition to my K3 as for me it’s handy to have the VFO control right beside the key.
VE3WDM

Video

Yaesu FT-450D Mic Test Comparison: MD100a8x vs. Stock MH-31a
Test of transmitted audio from Yaesu FT-450D (as received on an FT-950) in DX conditions — a comparison between the MD100a8x, at various settings, vs. Stock MH-31a.
YouTube

Intro to Fldigi
Fldigi’s user interface and basic transmit & receive operations.
K4REF

Teardown Tuesday: Baofeng Amateur Radio Transceiver
This display driver has been around since the late 80s. It interfaces microprocessors and Liquid Crystal Displays to show all manner of information in a variety of display sizes and a multitude of fonts.
All About Circuits

EO-88 status and new dashboard
More than 250 stations around the world have provided telemetry to the Nayif Data Warehouse and the FUNcube Team are extremely grateful to them for their invaluable support.
AMSAT UK

SvxLink: Linux repeater controller
Advanced repeater controller and EchoLink software for Linux including a GUI, Qtel – The Qt EchoLink client.
SvxLink

Off grid technology that may soon power your station
This is a very exciting time of changes for off grid and alternative energy. The cost of established systems is coming way down and many new discoveries are in the pipeline.
Off Grid Ham

Do switch-mode power supplies have a place in your shack?
a video of the Alinco DM-330FX shows just how much interference this switching power supply produces.
K5ACL

Band statistics for your grid square
This plots the average distance of WSPR reports for each band for each hour. To view the stats for your grid square, just change the locator on the end of the URL.
G7VRD

Solar-powered headset from recycled parts
Made almost completely of recycled components — reducing e-waste helps us all — only the 1 W flexible solar panel, voltage regulator, and the RN-52 Bluetooth module were purchased for this project.
Hack A Day

Amateur radio below 9kHz
Until a few years ago, the conventional wisdom was that you needed huge power and huge antennas to be copied “beyond the garden fence” at VLF and ULF.
AmateurRadio.com

DIY GPS module for Yaesu VX-8DR/VX-8DE handheld
GPS module for Yaesu VX-8DR/DE handheld transceivers with ublox NEO-6M chip and Arduino.
4X5DM

Are you treating your radios with care?
For either the advance or novice radio user, properly maintaining your communications equipment is essential. But what is the best way to do this?
Icom

Icom previews details of ID-4100E D-STAR VHF/UHF mobile radio
The Callsign routing terminal mode feature will allow each radio to be connected like an access point to the worldwide D-STAR repeater network through the internet.
Southgate

Radio News Magazine archive
Every issue from 1919 to 1959.
American Radio History

How-to: Icom External Keypad
A short press on the M1 to M4 button triggers a single voice keyer send, whereas hold the M1 to M4 button for a second enables auto repeating of sending voice keyer memories.
M1BXF

End Fed Antennas – Where’s the other half?
My favorite tends to be the classic ‘Sloper’ with the feed point located on the ground.
K5ACL

International Radio Network
The IRN (International Radio Network) is a VoIP/RoIP system using Teamspeak 3 (TS3) that allows licensed radio users to talk around the World.
International Radio Network

WSPR Antenna Comparison (Loop vs Dipole vs End Fed)
I did 24 hour WSPR runs using 5 watts of power with each antenna on successive days.
High on Solder

Universal Radio Hacker: investigate wireless protocols like a boss
The Universal Radio Hacker is software for investigating unknown wireless protocols.
Johannes Pohl

Open-air wireless charging
Disney Research has invented a new method of wirelessly charging mobile devices that could someday allow amusement park patrons to walk about freely while also getting their mobile devices charged.
Computer World

Video

Assembling the BITX-40
BITX-40, a QRP, SSB, 10 watt, kit.
KE0OG

Visualising shortwave band activity throughout the year
An animation of 24-hour shortwave spectrum plots from Twente WebSDR.
London Shortwave

Amateur Radio Satellite Nayif-1 launched
Just like FUNcube-1, this mode has the spacecraft sending high power telemetry when in sunlight and with the SSB/CW transponder active when in eclipse.
AMSAT UK

Hamcation Recap
Hamcation is a great Hamfest. It’s huge, spread out, and located in the one place where the weather is actually amazing – Orlando. It’s sunny, 75 degrees, and I’m pretty sure I’m sunburnt. I forgot that this kind of weather exists.
N0SSC

DMR Hotspot from SharkRF
The first thing I noticed when listening to some of the more active talk groups is that it seems like every person getting on the system said “I just got this Tytera MD-380 radio and you are my first DMR contact.”
K0NR

Decibel hell – the reign of antenna gain pain
Let’s step our way though the topic and see what we can learn from the pros.
Ham Radio . Magnum Experimentum

FreeDV 700C
The US test team report 700C contacts over 2500km at SNRs down to -2dB, in conditions where SSB cannot be heard.
Rowetel

W8SRC repeater IDs are distinctive… to say the least
If you want to get a little more professional with your repeater ID, just ask.
KB6NU

PicSafari: QRZ Ham Radio Image Library
QRZ has the world’s largest collection of amateur radio related images.
QRZ.com

Alaska’s HAARP facility once again open for business
The High Frequency Active Auroral Research Program (HAARP) in Gakona, Alaska, will soon undertake its first scientific research campaigns since the facility was taken over by the University of Alaska Fairbanks.
ARRL

Video

2 Meter tape measure beam antenna
The 2 Meter band tape measure beam antenna is a 3 element Yagi with about 7.2 db of forward gain.
KB9VBR

Setup Icom 7300 on iMac with RUMLogNG
This is for beginners and I’m a beginner on the Mac, but it proved to be simple.
K0PIR

ARRL seeks opinions concerning possible new entry level license
An Entry Level License Committee was established by the ARRL Board of Directors and appointed in September 2016.
ARRL

ISS SSTV active February 13th and 14th
The SSTV images will be transmitted as part of the MAI-75 Experiment on 145.800 MHz FM using the Kenwood TM-D710 transceiver located in the Russian ISS Service module.
AMSAT UK

The “Slick Six” 6 Meter Horizontal Dipole
This antenna is easy to adjust and can take any of the weather Texas can dish out.
KK5ID

‘Mysterious foghorn’ in Ham Radio bands
Observed on 7, 10 and 14 MHz, this is a Chinese OTH radar.
Southgate

Adding 160 meters to a Hustler 6BTV
I have never been able to transmit on the 160 meter band. As I hear it, it’s referenced as the “Gentleman’s Band.”
K5ACL

Baofeng for digital modes
When playing around with wireless mobile traffic lights, I also thought about options to transmit on the VHF and UHF bands.
Carriers Everywhere

Asus takes on Raspberry Pi
32-bit A17 CPU bolstered by fast Mali-T764 GPU, 2GB of RAM, and gigabit Ethernet.
Ars Technica

Easy homemade beginner ADS-B antennas
Easy to build, costs less than $1, no tools or equipment, takes maximum 15 minutes.
Radio for Everyone

ICOM IC-2820 fan mod
The replacement is a Pabst 0412 fan that comes with a 5,25” PC connector. I replaced it with a 1.5mm two pin JST ZH connector.
Notizbl0g.

Another outstanding year for Amateur Radio licensing
New Amateur Radio licenses issued were up by 1% over 2015.
ARRL

Video

Airborne TV DX Miami to St. Louis flight
Scanning the TV bands from 3, 000 feet – Miami to St. Louis and back with a Hauppauge WinTV-HVR-955Q dongle receiver and 3 inch stick antenna.
YouTube