Low-Cost 10 GHz SSB Receiver
This set-up should be capable of receiving the amateur radio transponder on the geostationary satellite Es’Hail 2 that is expected to be launched in early 2018.
AMSAT UK

FCC proposes huge fine on New York Police radio jammer
The FCC has proposed a fine of more than $400,000 on a Queens, New York, man who has admitted making unauthorized transmissions on New York City Police Department radio frequencies.
ARRL

A better way to put a PL-259 on RG-58 coax
A soldering technique that seems to simplify assembly of PL-259s with RG-58 cable.
KB6NU

Tracking North Korean Numbers
The announcements typically take between 5 to 10 minutes to read dependent on the number of digits passed.
K2DLS

How to survive the Total Solar Eclipse of 2017
We’re just 18 weeks away from the “Great American Total Solar Eclipse” that will darken skies across the continental U.S. on Aug. 21. Are you ready for it?
space.com

Apollo 16, 45th Anniversary Special Event
Apollo 16 was the first mission to visit the lunar highlands. John Young and Charles Duke spent 71 hours on the surface
NN4SA

Mastr 3 UHF Low Pass Filter Testing
One piece I see myself being able to use elsewhere is the final low-pass filters from the power amplifiers.
The Life of Kenneth

Morsum Magnificat available for free download
The Morse Magazine, otherwise known as “MM”, contained a vast amount of information and illustrations of interest to Morse operators.
Southgate

Packet Pad app
Packet Pad lets you view Packet Radio transmissions on your iOS device.
Packet Pad

Video

Locating HF Interference in the home
After walking around with a portable receiver and failing to find the source, all house power was turned off and the interference was gone. You won’t believe the eventual culprit!
YouTube

Installing A Mag Mount On A Fiberglass RV Roof
The Motorhome Ham Station starts to come along.
K6UDA Radio

Emergency communications driving increase in Ham Radio operators
Hams standing by and ready to help during disasters or other events.
Emergency Management

Tornado siren hack came via radio frequency
Our system is not software related and on a computer. It’s a radio system.
The Dallas Observer

World Amateur Radio Day is April 18th
Celebrating Amateur Radio’s contribution to society.
ARRL

Portable mini paddle for the Elecraft KX line as a kit
The building experience was just fine.
VA2SS

North Korea broadcasts numbers station as nuclear test looms
Pyongyang is reportedly broadcasting encrypted messages reminiscent of those used to contact spies during the Cold War.
The National Interest

Russian Buzzer disappears
The Russian buzzer on 6998.0 kHz has disappeared.
Southgate

International Girls in ICT Day
An initiative that empowers and encourages girls and young women to consider car​eers in the growing field of ICTs.
ITU

Heat shrink tubing and the chemistry behind its magic
Heat shrink tubing was a product of the Cold War era.
Hack A Day

Video

Install TQSL and load existing certificate on Raspberry Pi 3
If you already have a TQSL callsign cert on your existing computer, this is for you.
K0PIR

QRPP (less than 1 watt) QSO
Using my homebuilt 1Watter transceiver from kitsandparts.com for a QSO on 40m tonight was a bit tough.
Ham Radio QRP

Amateur Station Logging
Episode 18 addresses log books and logging, including when to log and not to log.
Ask Dave

Flevo shortwave station is silent
With its four powerful transmitters and 17 directional aerials it distributed thousands of Radio Netherlands Worldwide radio programs.
Vimeo

First transceiver with built-in FreeDV
“All Ham Band” RS-918SSB HF SDR Transceiver offers FreeDV as an operating mode.
marxy.org

Digital Amateur Television from the International Space Station
In principle, the HamVideo DATV transmitter is permanently transmitting from Columbus, the European ISS module.
AMSAT-ON

Same-band “Dueling CQs” now prohibited in all ARRL Contests
ARRL has clarified its contest rules to clearly prohibit the practice of interleaved CQs.
ARRL

Keeping New Radio Hams
Crucially, the Camb-Hams have no committee, no finances (so no subscription), and any amateur who wants to call him/herself a ‘Camb-Ham’ is automatically a member.
Southgate

Irony
The FCC is requiring radio amateurs be at least 1 km from electric power transmission lines using Power Line Carrier (PLC) systems on those bands.
Radio Artisan

RF Propagation Analytics
See which bands are open now.
The University of Alabama

GNU Radio decoder for AO-73
The modulation that the FUNcube satellites use is DBPSK at 1200baud. The coding is based on a CCSDS concatenated code with a convolutional code and Reed-Solomon, but it makes extensive use of interleaving to combat the fading caused by the spin of the spacecraft.
destevez.net

Video

Decapsulating a ceramic integrated circuit
Decapsulation (decapping) a ceramic integrated circuit to get at the die is easy with MAP gas.
YouTube

Standing Inside a broadcast transmitter while it’s on
See inside a Gates BC-250-GY broadcast transmitter from the 40’s era.
Mr. Carlson’s Lab

New Bands! FCC Issues Rules for 630 & 2,200 Meters
The FCC on March 28 adopted rules that will allow secondary Amateur Radio access to 472-479 kHz (630 meters) and to 135.7-137.8 kHz (2,200 meters).
ARRL

Three killed after storm chasers crash while pursuing tornado
A few miles west of Spur, Tex., three storm chasers died while tracking a tornado when their two vehicles collided at a rural intersection on Tuesday afternoon.
Washington Post

Global HF Pirate Weekend: March 30-April 2
The SWLing Post

Getting Started In Amateur Radio Data Modes
We will discuss the rationale for operating amateur radio data modes, the pros and cons as they apply to the off grid ham, and factors to consider before getting started.
Off Grid Ham

Review: Bioenno Power LiFePo4 Batteries
I’ve been using Bioenno’s 9aH LiFePO4 (Lithium Iron Phosphate) for over a year now with great success – even to power my 100 watt rig.
K5ACL

New power distribution kit build
I would highly recommend this power distribution center kit to anyone interested in learning what goes into making one and as a side benefit save a bit of money.
The Real Rich Hand

Make a 2.4 GHz Yagi with paper clips and popsicle sticks
It’s more like a 2.4 GHz field strength meter. The board on the antenna beam is a SparkFun ESP8266 Thing, which includes an Arduino-compatible microcontroller and a WiFi interface.
KB6NU

Video

Add an On The Air LED to Kenwood MC60 Desktop Mic
toddfun.com

Documentary: The DXer and the Technician
This true story is about two amateur radio operators who have been friends for over 35 years.
VA2PV

Essex 2 meter activity afternoon
Much of the activity is in FM and via the GB3DA repeater at Danbury. However there is also activity using CW, SSB, SSTV and other digital modes.
YouTube

CW (Morse Code) QSO on 30m
The key is an old Navy Flameproof straight key.
YouTube

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