Slow Scan TV from International Space Station Dec 5-6
The MAI-75 SSTV system in the Russian Service Module will be put through some extended testing.
AMSAT UK

What the heck is the ARRL Board thinking?
In effect, this is a gag order on a director if he disagrees with a Board decision.
KB6NU

KX2 firmware upgrade to increase power output
The latest KX2 field-test firmware allows power output to be set as high as 12 watts.
W2LJ

Success with the new AO-91 FM satellite
I did an AO-91 pass at 2 AM Sunday morning with the Kenwood TH-D72A. It was very different. It sounded crystal clear just like a local repeater.
N4KGL

Using a Baofeng transceiver to work Amateur Radio Satellites
I’m a brand new ham as of October 2017, and I had a really fun experience listening to RadFxSat Fox-1B AO-91 yesterday.
friendlyskies.net

Come join the fun with Olivia on HF
Olivia offers keyboard-to-keyboard chatting for when you want to relax, and maybe make a friend.
amateurradio.com

VHF/UHF FM/DSTAR/DMR mobile installation
The setup includes an ICOM ID-4100 running on FM and D-Star on the VHF band, and a Hytera MD-652 running on FM and DMR on the UHF band.
VA2SS`

Icom IC-R7100 and its clicking noise
Every time the squelch opens or closes, it produces a clicking noise.
EA4EOZ

EMCOMM Go Kit – Power Box
All together the power box weighs just under 31.5 lbs.
High on Solder

UK Amateur Radio license stats
Amateur Radio population in the UK has grown by approximately 10% over the past 5 years.
ARRL

Oldest Ham F8IL, SK
Jean Touzot, F8IL, of Albi, France — said to have been the world’s oldest radio amateur — has died.
ARRL

Video

Failed SOTA Activation
Round trip: 10 miles with a 3,900 elevation change.
KB1HQS

Getting Started with Chameleon F-LOOP 2.0 Magloop Antenna
The Chameleon F-LOOP 2.0 is a modular magnetic loop antenna system, which follows the Lego block philosophy often employed by Chameleon Antenna.
OH8STN

Millennials are killing Ham Radio
Maker Movement, digital modes are killing the hobby.
N0SSC

Is the Internet destroying Amateur Radio?
Although there are plenty of “keep the internet out of amateur radio” folks in the hobby, there are many more that have found clever ways to make use of the internet.
K0NR

FT-8: I’m not really feeling the magic
If you’re one of those guys who wants to make contacts, but doesn’t really want to talk to anyone, then this is the mode for you.
KB6NU

Best digital mode…? Not really
I have yet to download the latest WSJT-X release, as I presently have no need, nor see the need to use FT8.
AmateurRadio.com

AO-91 satellite declared open for Amateur use
AO-91 was built as a partnership with Vanderbilt University featuring the Fox-1 style FM U/v repeater with an uplink on 435.250 MHz (67.0 Hz CTCSS) and a downlink on 145.960 MHz.
AMSAT

NASA On the Air for 2018
Club stations at NASA facilities plan to be on the air with special events to celebrate these milestones and we are offering commemorative QSL cards and a special certificate.
NASA On The Air

Bitcoin and weak frequency signals
Two individuals introduced a project which secures consensus proofs with weak signal radio propagation.
Bitcoin.com

Ignored by telecoms, Detroit residents are building their own Internet
40 percent of Detroit residents don’t have any access to internet at all.
Motherboard

Junker: Unfortunate name for a great key
The Junker D.B.G.M. is one of the finest telegraph keys ever manufactured.
Ham Radio QRP

A photographic tour of Universal Radio’s new location
In October, Universal Radio moved from their large Reynoldsburg, Ohio retail store and warehouse to a smaller retail store and warehouse at 651-B Lakeview Plaza, Worthington, Ohio.
The SWLing Post

Video

Amazon Alexa and Amateur Radio
APRS, DMR, learning CW, and more with Amazon Alexa.
Essex Ham

AO-91 RX via Baofeng
YouTube

Tuning 40m in low noise location
I’ve spent a couple of days at a very low noise location. Here’s me tuning 40m in the afternoon.
YouTube

All WX solar powered Amateur Radio field station
The concept for a rapidly deployable, man-portable field station, came to me after the grid down disaster caused by Hurricane Maria.
OH8STN

The antenna on Rocky Top
The University of Tennessee Amateur Radio club has a set of antennas nestled between the lights at the top of Neyland Stadium in Knoxville. The tower is so high, most of the 102,000+ fans wouldn’t ever notice it. With the lights on, it’s impossible to catch a glimpse.
K4HCK

Portable AllStarLink node
Raspberry Pi 3 + Baofeng BF-888s connecting to a 4G LTE hotspot.
KP4IP

Ham Radio network keeps Capital commuters rolling along
The Capital District Commuter Assistance Network is a group of operators who provide information about travel hazards.
The Record

Thank you for my signal report
Maybe this is a radical idea but for my own operation I will strive to start sending more accurate reports and help the other station truly know how they are being copied.
AA4OO

Building a feedline HF choke
The choke has a resistance of over 1000 ohms on most of the Amateur HF bands, and up to 5000 ohms in the middle bands.
Daniel Estévez

Build an end fed match box
Connected to my end fed inverted L it shows decent SWR on 40 and 20m. My transceiver’s built-in ATU easily matched on both those bands.
marxy’s musing on technology

Video

NVIS event with a fence antenna
I connected to the fence using two alligator clips from the coax, one clipping to the fence and the other clipping to two 33ft radials which ran perpendicular to the fence.
VA3OSO

Antenna made from exterior Christmas lights
W6LG shows the dipole antenna and an instantaneous antenna tuner.
W6LG

USA-135M Cape San Blas lighthouse activation
The Panama City Amateur Radio Club activated USA-135M, the Cape San Blas Lighthouse.
W4RYZ

Rowboat mobile
While on vacation in Maine, I borrow a friends rowboat and go mobile maritime off the coast of Maine. I work a nice pile up and finish the day off with fish and chips.
KB1HQS

Behind the scenes at the Arecibo Radio Telescope
Matt and Tom

Baofeng UV-5R stress test: Receiver and transmitter overload
Open circuit with 5 minutes of RF, short circuit with 5 minutes of RF high power directly on the front end of the receiver.
YouTube

Resin casting tips and tricks
I cover some of the techniques that I use to be efficient when I am resin casting.
resin-casting-tips

The ARRL International Grid Chase
The year-long event hopes to build on the success of the highly successful 2016 National Parks on the Air. The objective is to work stations on any band in as many different Maidenhead grid squares as possible.
ARRL

160m FT8 – The end of an era?
If you follow any of the numerous ham radio-related discussion groups then you know that every once in awhile a thread pops up that triggers some extended and often heated chat.
AmateurRadio.com

Become an APRS Weather Alert Station
noaacap uses the NOAA CAP (Common Alerting) protocol and the Atom feeds published by the National Weather Service. Installation is quick and simple if you have a running aprx system.
K2DLS

Flying with lithium batteries
As I made my way through the security line, the battery was naturally flagged for further inspection. Eventually the security folks cleared it, pending approval from the airline.
WB4RFQ

6m J-Pole antenna
The antenna is manufactured from square aluminium tube, welded and with a perspex spacer at the top of the J.
marxy’s musing on technology

Encounters with the dead
All this has gotten me to thinking about how I’d like my websites to be handled once I become an SK.
KB6NU

FA-VA4 antenna analyzer kit
The case is a brushed aluminum with attention to detail such as counter sunk screws for securing case, the LCD and buttons lined up perfectly and a nice touch was not having stick on rubber feet.
VE3WDM

Build a lightning detector
Basic lightning detector schematic.
AWSH.ORG

The Spirit of Knoxville
The Spirit of Knoxville is a high-altitude balloon project run by amateur scientists and University of Tennessee students, with the ultimate goal of successfully sending an unmanned balloon across the Atlantic Ocean.
Wikipedia

How the integrated circuit came to be
It may surprise you that the microchip that we all know and love today was far from an obvious idea.
Hack A Day

Cape San Blas Florida Lighthouse activation
Saturday, Nov. 11, 1500 UTC to 1900 UTC.
Southgate

Video

First look: New Ailunce HD1 dual band DMR radio
This brand new high power dual band DMR radio made specifically for amateurs is about to be released.
YouTube

DX Monster antenna
Even with the current solar cycle as it is, I am making more DX contacts now than I ever have over 25 years. Part of my luck must be given to the new digital mode called FT8, but I am also of the mind that my antenna is doing a fine job.
Radio Hobbyist

HAARP transmits Bitcoin, SSTV
The assistant professor at the UAF’s Geophysical Institute transmitted two UAF logos, a photo of his cat, and a QR code granting the recipient 0.001 Bitcoin.
ARRL

RadioShack offers Maker Space
This open area of the store will be home to the many classes the store now offers, such as soldering classes, drone classes and monthly training sessions on how to set up and use a cell phone.
Citizen Tribune

APRStweet: Tweeting APRS packet information
APRStweet is a light weight script that posts your location and a link to APRS.fi so that people can see your track and location on the map.
KC8QCH

APRS telemetry dashboard
Data is beautiful. With the FaradayRF Telemetry service you can track your High Altitude Balloon Telemetry in real-time.
FaradayRF

The speed of light is not fast enough
As illustrated by the Voyager spacecraft, the success of any radio system lies with the antennas.
Microwaves&RF

Homemade digimode interface
I decided to make another modem, a very simple one that uses the VOX in the FT817 for TX switching.
PE4BAS

Man fined $15,000 for running illegal FM station
Dudley was confronted twice last year for sending music through the airwaves on 103.9 FM.
WAFF

Setting the record straight on FM radio in iPhones
Apple purposefully does not connect the antenna.
National Association of Broadcasters

Squeeze Keying – Iambic mode operation
Electronic keyers provide Iambic modes to allow for fewer strokes while keying, thus improving keying efficiency.
Ham Radio QRP

WSJT-X and linear satellites
Here we examine the effect of TLE age on the accuracy of the Doppler computation.
destevez.net

UT Amateur Radio Club looks to future
The UT Amateur Radio Club started in 1947 in response to a rise in public interest in satellite and radio following the end of World War II.
The Daily Beacon

Video

How to bend PVC the right way
I had to bend some pvc for an upcoming project and I had some trouble just using a heat gun, so I had to come up with another solution.
YouTube

MSK144 QSO with KJ6KO on 6 Meters
This was a completely random QSO with KJ6KO on the night of the 2017 Orionid Meteor Shower.
N1SC

New bands spring to life, some denied access
A few operators reported making contacts on 630 meters the first night, although noise levels were high, and a geomagnetic storm was in progress.
ARRL

Scouts’ Jamboree on the Air this weekend
Operating frequencies on HF, DMR, D-STAR, APRS, more…
Scouting.org

Meet the geek who tracks rogue satellites with coat hangers
He liked to catch the military’s secret space shuttle, which sounded like a video game monster in agony.
Wired

Bicycle race communications with N7RXE
200 miles, three states, multiple public safety jurisdictions, 4 net controls, 8 repeaters including mobile repeaters, APRS iGates, portable Digipeaters, 135 operators, and 40 vehicles beaconing APRS.
HamRadio360

Elecraft AX1 Antenna
The AX1 is a dual-band (20 and 17 meter) compact antenna system based on an optimized 2-piece whip.
VA2SS

Kansas City firefighter uses Ham Radio skills to help Puerto Rico
“We put this PVC, tape measure antenna up,” Dougherty explained. “Next thing you know, we were talking to somebody 100 miles away, passing traffic back to San Juan for people who needed to contact San Juan.”
WDAF

ADS-B Shootout: FlightAware vs rtl-sdr.com Antenna Kit vs Jetvision
Three antennas on windowsill, one week.
Radio for Everyone

Upcoming LF tests from WH2NXD / NI7J
One of Ron’s several experimental licences allows him to run as much as 10W ERP from 68-76 KHz.
AmateurRadio.com

Homemade data cable for Yaesu FT-2D
This piece of wire can be used as outlined in the manuals. I was able to read and write my FT-2D as expected.
Notizbl0g.

Video

NIMO Tube: Rarest and most dangerous digital display of all time
Rarer than a moon rock…. Deadlier than plutonium… It’s The NIMO digital display tube!
FranLab

How high should a dipole be?
A look at antenna modeling.
KE0OG

Portable Ham Radio tips & tricks
Tips & tricks on taking the radio out of the shack.
K5ACL

NYC school’s radio club relays messages to and from Puerto Rico
The amateur radio club at the Garden School in Queens started just last year.
The Week

$400,000 FCC fine for interference
A Queens, New York man has admitted to making unauthorized transmissions on NYPD radio frequencies.
ARRL

Volunteers needed for RAC Canada 150 Award
Volunteers are needed to activate the 14 RAC stations for the RAC Canada 150 Award.
Southgate

Homemade 6 GHz FMCW radar
Frequency Modulated Continuous Wave (FMCW) radar works by transmitting a chirp which frequency changes linearly with time. This chirp is then radiated with the antenna, reflected from the target and is received by the receiving antenna.
Henrik’s Blog

Sputnik transmitter replica
PA3CNO continues to report about building a replica of the original Sputnik 1 transmitter.
radio.cc

Icom IC-R8600 wideband reciever
The IC-R8600 is a super wideband communication receiver that covers the radio spectrum from 10 kHz to 3 GHz.
Icom

Accidental satellite hijacks can rebroadcast cell towers
Engineers show how they identified their interference as GSM by its timing frames, and then how they narrowed down its source to Nigeria.
Hack A Day

Video

The future of amateur radio: Views from YOTA 2017
Five young radio amateurs from different countries explain what they think the future of amateur radio should look like.
RSGB

USB Morse Keyboard
I turned a 1950s Morse key into a USB keyboard.
YouTube